# EDGAR Filing Document

**Accession Number:** 0001469443
**File Stem:** 0001193125-26-197315
**Filing Date:** 2026-4
**Character Count:** 99710
**Document Hash:** b343bffad4aa778190f1964375b421d0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-197315.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001193125-26-197315

**CONFORMED SUBMISSION TYPE**: 10-K/A

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Arcadia Biosciences, Inc.
- **CENTRAL INDEX KEY:** 0001469443
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 810571538
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 10-K/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37383
- **FILM NUMBER:** 26925520

**BUSINESS ADDRESS:**
- **STREET 1:** 5956 SHERRY LANE
- **STREET 2:** SUITE 2000
- **CITY:** DALLAS
- **STATE:** TX
- **BUSINESS PHONE:** 214-974-8921

**MAIL ADDRESS:**
- **STREET 1:** 5956 SHERRY LANE
- **STREET 2:** SUITE 2000
- **CITY:** DALLAS
- **STATE:** TX

?xml version='1.0' encoding='ASCII'? 10-K/A

<u>**Table of Contents**</u>

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**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

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**FORM** 10-K/A

Amendment No. 1

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**(Mark One)**

 **ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended** December 31**,** 2025

**OR**

 **TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO** 

**Commission File Number** 001-37383

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Arcadia Biosciences, Inc.

**(Exact name of Registrant as specified in its Charter)**

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| | |
|:---|:---|
| Delaware | 81-0571538 |
| **(State or other jurisdiction of<br>incorporation or organization)** | **(I.R.S. Employer<br>Identification No.)** |
| 5956 Sherry Lane**,** Suite 2000<br>Dallas**,** TX | 75225 |
| **(Address of principal executive offices)** | **(Zip Code)** |

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**(**214**)** 974-8921

**(Registrant's Telephone Number, Including Area Code)**

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**Securities registered pursuant to Section 12(b) of the Act:**

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| | | |
|:---|:---|:---|
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
| Common | RKDA | NASDAQ CAPITAL MARKET |

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**Securities registered pursuant to Section 12(g) of the Act:** None

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Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes  No 

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes  No 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  No 

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit such files). Yes  No 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

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| | | | |
|:---|:---|:---|:---|
| Large accelerated filer | ☐ | Accelerated filer | ☐ |
| Non-accelerated filer | ☒ | Smaller reporting company | ☒ |
| Emerging growth company | ☐ |  |  |

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. 

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  No 

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the Registrant as of June 30, 2025, the last business day of the Registrant's most recently completed second fiscal quarter, was approximately $5,740,919 (based on the closing price of $4.31 on June 30, 2025 on the NASDAQ Capital Market).

As of April 23, 2026, the registrant had 2,056,884 shares of common stock outstanding, $0.001 par value per share.

**DOCUMENTS INCORPORATED BY REFERENCE**

None

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**EXPLANATORY NOTE**

We are filing this Amendment No. 1 on Form 10-K/A to amend our Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the Securities and Exchange Commission on March 26, 2026 (the "Original Filing"), to include the information required by Part III of Form 10-K. The Part III information was previously omitted from the Original Filing in reliance on General Instruction G(3) to Form 10-K, which permits the information in the above referenced items to be incorporated in the Form 10-K by reference from our definitive proxy statement if such statement is filed no later than 120 days after our fiscal year-end. The information required by Items 10-14 of Part III is no longer being incorporated by reference to the proxy statement relating to our 2026 Annual Meeting of Shareholders. The reference on the cover of the Original Filing to the incorporation by reference to portions of our definitive proxy statement into Part III of the Original Filing is hereby deleted. This Amendment No. 1 is not intended to update any other information presented in the Original Filing. In addition, as required by Rule 12b-15 promulgated under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), new certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 by our principal executive officer and principal financial officer are filed herewith as exhibits to this Amendment No.1. Because no financial statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted.

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**FORM 10-K/A**

Amendment No. 1

**INDEX**

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| | | |
|:---|:---|:---|
| PART III | PART III |  |
| Item 10. | [<u>Directors, Executive Officers and Corporate Governance</u>](#item_10) | 1 |
| Item 11. | [<u>Executive Compensation</u>](#item_11) | 4 |
| Item 12. | [<u>Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters</u>](#item_12) | 11 |
| Item 13. | [<u>Certain Relationships and Related Transactions, and Director Independence</u>](#item_13) | 14 |
| Item 14. | [<u>Principal Accountant Fees and Services</u>](#item_14) | 15 |
| PART IV | PART IV |  |
| Item 15. | [<u>Exhibits and Financial Statement Schedules</u>](#item_15) | 17 |

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**PART III**

**<u>ITEM 10: DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE</u>**

**Executive Officers and Directors**

The following table sets forth the names, ages and positions of our executive officers and directors (ages as of March 31, 2026):

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| | | | |
|:---|:---|:---|:---|
| **Name** | **Age** | **Age** | **Position** |
| Thomas J. Schaefer |  | 50 | President and Chief Executive Officer, Interim <br>Chief Financial Officer |
| Kevin Comcowich |  | 57 | Chair of the Board of Directors |
| Lilian Shackelford Murray |  | 67 | Director |
| Amy Yoder |  | 59 | Director |
| Gregory D. Waller |  | 76 | Director |

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**Executive Officers**

***Thomas J. Schaefer*** was appointed as our President and Chief Executive Officer in July 2024 and as our Interim Chief Financial Officer in August 2025. Mr. Schaefer served as Chief Financial Officer from January 2023 until his appointment as President and Chief Executive Officer. Mr. Schaefer is an accomplished finance executive with more than 20 years of investment and corporate finance experience. Mr. Schaefer joined Arcadia in July 2020 as senior director of finance and served as vice president of finance and investor relations for the company until his appointment as Chief Financial Officer. Prior to that, Mr. Schaefer was the director of finance at Flavor Producers, a portfolio company owned by the private equity firm GTCR that specializes in beverages and snacks, from June 2018 through July 2020. Mr. Schaefer worked as a consultant for Applied FP&A, LLC from January 2018 through June 2018. Prior to 2018, he held a number of finance roles with various companies and worked as an equity research analyst with Edward Jones early in his career. Mr. Schaefer, a chartered financial analyst, earned a bachelor of business administration in economics and finance from McKendree University in Lebanon, Illinois and a master of business administration from the Marshall School of Business at the University of Southern California. We believe Mr. Schaefer is qualified to serve on our Board of Directors (the "Board") due to his extensive knowledge of the Company's business and his experience in the investment, corporate finance, and food and beverage areas.

Executive officers serve at the discretion of our Board of Directors and holds office until his or her successor is duly elected and qualified or until his or her earlier resignation or removal. There are no family relationships among any of our directors or executive officers.

**Non-employee Directors**

***Kevin Comcowich*** has served as a director of our Company since November 2016. From January 1, 2022 to February 2, 2022, he served as Interim Chief Executive Officer while the Company conducted a search for a permanent Chief Executive Officer. Before retiring in 2014, he was a founder and portfolio manager of HTX Energy Fund, a hedge fund, in Houston, Texas since 2012. He was previously the President and Chief Investment Officer (CIO) of Sound Energy Partners and served as Chief Information Officer and research analyst for Southport Energy Plus Partners Fund. Mr. Comcowich received his MBA from the University of Indiana and earned his bachelor's degree from the College of the Holy Cross. We believe Mr. Comcowich is qualified to serve on our Board of Directors due to his extensive experience in financial leadership, business strategy, investment management and global capital market strategies.

***Lilian Shackelford Murray*** joined our Board of Directors in June 2018, and had previously served as a Board observer to the Company from March 2007 until May 2015. Ms. Murray is a Managing Member of Ponte Partners, a secondary investment management firm, since January 2019. Ms. Murray was also the founder and manager of Dovedale Investments, LLC, a money management firm, from January 2011 to February 2023. From 2002 to 2018, Ms. Murray served as a managing member of multiple investment management funds with Saints Capital. Ms.

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Murray was previously an investment banker with Prudential Volpe Technology Group, Volpe, Brown Whelan, Wheat First Securities, Dean Witter Reynolds and EF Hutton. Ms. Murray's prior board experience includes service as a director of a number of privately held companies. Ms. Murray received an MBA from Harvard Business School and a BS from the University of Virginia. Ms. Murray's qualifications to serve on the Board include over 40 years of financial and management experience as a financial advisor, investment banker and managing director of investment funds, as well as her familiarity with the company's business, operations and board functions from her previous service as a board observer.

***Amy Yoder*** joined the Board in June 2017. Since October 2024 Ms.Yoder has led the global supply chain for Farmers Business Network. FBN, is one of the largest online retailers for agricultural inputs. From January 2023 to September 2024, she served as the CEO of QC Supply, a company focused on providing retail services and distribution for the agricultural protein segment. From June 2015 to December 2022, she was the President and CEO of Anuvia Plant Nutrients, a company that creates enhanced plant nutrition products from recycled organic waste sources. From 2012 to 2015, Ms. Yoder was the President and CEO of Arysta Life Science, a publicly-held agricultural solutions company. Ms. Yoder has also held a variety of senior sales, marketing and executive positions with companies throughout the agricultural and related industries, including Spectrum Brands, BioLab and United Agri Products. Ms. Yoder received a bachelor's degree in agricultural technology and systems management from Michigan State University, with an emphasis in crop and soil science. She has served on boards of various companies, agricultural associations and universities, including Compass Minerals International, a publicly traded company, between May 2012 and February 2023. We believe Ms. Yoder is qualified to serve on our Board of Directors due to her extensive experience across various agriculture sectors, deep knowledge of the capital markets and public board governance expertise.

***Gregory D. Waller*** has served as a director of the Company since June 2017. He has also served as a board member of Nuwellis, Inc. since August 2011, a publicly traded company. From October 2011 to October 2015, Mr. Waller was Chief Financial Officer of Ulthera Corporation, a privately-held company providing ultrasound technology for aesthetic and medical applications, which was sold to Merz North America in July 2014. From March 2006 until April 2011, Mr. Waller was Chief Financial Officer of Universal Building Products, a manufacturer of concrete construction accessories. Mr. Waller served as Vice President-Finance, Chief Financial Officer and Treasurer of Sybron Dental Specialties, Inc., a manufacturer and marketer of consumable dental products, from August 1993 until his retirement in May 2005 and was formerly the Vice President and Treasurer of Kerr, Ormco Corporation, and Metrex. Mr. Waller's prior board experience includes service as a director for the following publicly-traded companies: Endologix Corporation, from November 2003 to October 2020; Cardiogenesis Corporation, from April 2007 until its acquisition by Cryolife in 2011; Clarient, Inc., from December 2006 until its acquisition by General Electric Company in December 2010; Biolase Technology, Inc., from October 2009 to August 2010; SenoRx, Inc., from May 2006 until its acquisition by C.R. Bard, Inc. in July 2010; and Alsius Corporation, from June 2007 until its acquisition by Zoll Medical Corporation in September 2009. Mr. Waller has a Master of Business Administration with a concentration in accounting from California State University, Fullerton. We believe Mr. Waller is qualified to serve as a member of our Board of Directors because of his many years of financial and management experience, as well as his familiarity with public company board functions from his service on the Boards of other public companies.

**Director Independence**

Our Board of Directors has undertaken a review of its composition, the composition of its committees, and the independence of each director, and has considered whether any director has a material relationship with the Company that could compromise his or her ability to exercise independent judgment in carrying out his or her responsibilities. Based on information provided by each director concerning his or her background, employment, and affiliations, including family relationships, our Board of Directors has determined that Mses. Shackelford Murray and Yoder, and Messrs. Comcowich and Waller do not have a relationship that would interfere with the exercise of independent judgment in carrying out the responsibilities of a director and that each of these directors is "independent" as that term is defined under the applicable rules and regulations of the SEC, and the listing standards of The Nasdaq Stock Market (the "Applicable Rules "). In making these determinations, our Board of Directors considered the current and prior relationships that each director has with our Company and all other facts and circumstances our Board of Directors deemed relevant in determining their independence, including the beneficial

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ownership of our capital stock by each director or affiliated entities, and the transactions involving them described in the section titled "Certain Relationships and Related Party Transactions."

***Audit Committee***

Our audit committee is currently comprised of Mr. Waller and Mses. Shackelford Murray and Yoder, with Mr. Waller serving as audit committee chair. Our Board of Directors has determined that each of the members of our audit committee satisfies the requirements for independence and financial literacy under the current listing standards of The Nasdaq Stock Market and SEC rules and regulations, including Rule 10A-3. Our Board of Directors also has determined that Ms. Shackelford Murray and Mr. Waller are audit committee financial experts within the meaning of Item 407(d) of Regulation S-K under the Securities Act of 1933, as amended, or the Securities Act. The responsibilities of our audit committee include, among other things:

&nbsp;&nbsp;&nbsp;&nbsp;•selecting a qualified firm to serve as the independent registered public accounting firm to audit our financial statements;

&nbsp;&nbsp;&nbsp;&nbsp;•helping to ensure the independence and performance of the independent registered public accounting firm;

&nbsp;&nbsp;&nbsp;&nbsp;•discussing the scope and results of the audit with the independent registered public accounting firm, and reviewing, with management and the independent registered public accounting firm, our interim and year-end operating results;

&nbsp;&nbsp;&nbsp;&nbsp;•developing procedures for employees to submit concerns anonymously about questionable accounting or audit matters;

&nbsp;&nbsp;&nbsp;&nbsp;•reviewing our policies on risk assessment and risk management;

&nbsp;&nbsp;&nbsp;&nbsp;•reviewing related party transactions; and

&nbsp;&nbsp;&nbsp;&nbsp;•approving all audit and all permissible non-audit services, other than de minimis non-audit services, to be performed by the independent registered public accounting firm.

**Director Nominations**

No material changes have been made to the procedures by which security holders may recommend nominees to our Board from those that were described in our definitive proxy statement for our 2025 annual meeting of stockholders that was filed with the Securities and Exchange Commission (the "SEC") on November 19, 2025

**Code of Business Conduct and Ethics**

We have adopted a Code of Business Conduct and Ethics that is applicable to all of our employees, officers, and directors, including our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. A copy of our Code of Business Conduct and Ethics is available in the Investors section of our website at http://ir.arcadiabio.com under "Corporate Governance." If we make any substantive amendments to, or grant any waivers from, the Code of Business Conduct and Ethics, we will disclose the nature of such amendment or waiver on our website or in a current report on Form 8-K.

**Insider Trading Policy**

The Company has adopted an insider trading policy governing the purchase, sale and/or other dispositions of the Company's securities that applies to its officers, directors and employees as well as other covered persons. The Company believes its insider trading policy and repurchase procedures are reasonably designed to promote compliance with U.S. insider trading laws, rules and regulations, and listing standards applicable to the Company. A copy of the Company's insider trading policy is filed as Exhibit 19.1 to this Form 10-K/A.

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**Delinquent Section 16(a) Reports**

Section 16(a) of the Exchange Act requires directors, certain officers, and ten percent (10%) stockholders to file reports of ownership and changes in ownership with the SEC. Based upon a review of filings with the SEC and/or written representations that no other reports were required, we believe that except as described below, all reports for the Company's officers and directors that were required to be filed under Section 16 of the Exchange Act were timely filed in 2025.

**<u>ITEM 11. EXECUTI</u><u>VE COMPENSATION</u>**

**Processes and Procedures for Compensation Decisions**

Our compensation committee is responsible for the executive compensation programs for our executive officers and reports to the Board of Directors on its discussions, decisions and other actions. Our Chief Executive Officer makes recommendations to our compensation committee, attends committee meetings, and is involved in the determination of compensation for the respective executive officers that report to him, except that our Chief Executive Officer does not make recommendations as to his own compensation. Additionally, our Chief Executive Officer makes recommendations to our compensation committee regarding short- and long-term compensation for all executive officers (other than himself) based on our results, an individual executive officer's contribution toward these results, and performance toward individual goal achievement. Our compensation committee then reviews the recommendations and other data and makes decisions as to total compensation for each executive officer other than the Chief Executive Officer, as well as each individual compensation component. Our compensation committee makes recommendations to the Board of Directors regarding compensation for our Chief Executive Officer. The independent members of the Board of Directors make the final decisions regarding executive compensation for our Chief Executive Officer.

The compensation committee is authorized to retain the services of one or more executive compensation advisors, as it sees fit, in connection with the establishment of our compensation programs and related policies.

**2025 Summary Compensation Table**

The following table provides information regarding the compensation during the fiscal years ended December 31, 2025 and 2024 of (i) each person who served as our chief executive officer during fiscal 2025; (ii) the two most highly compensated officers other than the chief executive officer who were serving as executive officers at the end of fiscal 2025 and whose total compensation for such year exceeded $100,000; and (iii) up to two additional individuals for whom disclosures would have been provided in this table under part (ii) of this sentence, but for the fact that such persons were not serving as executive officers as of the end of fiscal 2025 (sometimes referred to collectively as the "named executive officers").

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| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| **Name and Principal Position** | **Fiscal<br>Year** | **Salary<br>($)** | **Bonus<br>($)** | **Stock<br>Awards<br>($)** | **Option<br>Awards<br>($)(1)** | **Non-<br>Equity<br>Incentive<br>Plan<br>Compensation<br>($)(2)** | **All<br>Other<br>Compensation<br>($)** | **Total<br>($)** |
| Thomas J. Schaefer | 2025 | $260000 |  |  | $40001 |  |  | $300001 |
| &nbsp;&nbsp;&nbsp;&nbsp;President and Chief <br> Executive Officer (3) | 2024 | $260000 | $65000 |  | $43888 | $126853 | $3736 | $499477 |
| Mark Kawakami | 2025 | $178424 |  |  | $40001 |  |  | $218425 |
| &nbsp;&nbsp;&nbsp;&nbsp;Former Chief Financial Officer (4) | 2024 | $212742 | $53016 |  | $43888 | $57802 | $2727 | 370175 |

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(1) Amounts do not reflect compensation actually received by the officer. Instead, the amounts represent aggregate grant date fair value of options granted during 2025 and 2024 computed in accordance with ASC Topic 718 Stock Compensation. The valuation assumptions used in determining such amounts are consistent with those described in Note 13 of the Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2025. On May 9, 2025, each of Mr. Schaefer and Mr. Kawakami was granted an option to purchase 12,500 shares of common stock under our 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares

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subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36th of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. Mr. Kawakami resigned as an officer and employee effective September 12, 2025, and his options have expired and terminated.

(2) The amounts shown for 2024 represent amounts earned pursuant to our Executive Incentive Bonus Plan for services in 2024, which were paid in 2025. The amounts for 2024 were determined based on a weighting of the achievement of Financial and Individual Goals. In light of, among other factors, the proposed business combination transaction between the Company and Roosevelt Resources, LP which was terminated in December 2025, the Company did not pay bonuses under its Executive Incentive Bonus Plan to any named executive officer for the 2025 year. The amount of any cash bonus compensation for fiscal year 2025 for Mr. Schaefer is not determinable as of the date of this Report. Mr. Schaefer is eligible to receive an annual incentive cash bonus, as determined by the Compensation Committee of the Board. The amount of any bonus compensation for services in 2025 is expected to be determined in the second quarter of fiscal year 2026 or thereafter, at which time a Report on Form 8-K will be filed with the SEC disclosing the amount of any cash bonus paid with respect to fiscal year 2025, and providing a recalculated total compensation figure under Item 5.02(f) of Form 8-K.

(3) Mr. Schaefer served as the Company's Chief Financial Officer until his appointment as Chief Executive Officer on July 3, 2024. Amounts shown in the table include compensation for services rendered in all capacities.

(4) Mr. Kawakami served as the Vice President of Finance until his appointment as Chief Financial Officer on July 3, 2024. Amounts shown in the table include compensation for services rendered in all capacities.

**Named Executive Officer Employment Arrangements**

***Thomas J. Schaefer (Chief Financial Officer; President and Chief Executive Officer)***

In connection with the appointment of Mr. Schaefer to the position of Chief Financial Officer in January 2023, Mr. Schaefer entered into an employment letter agreement and a CIC Agreement (as defined below). Pursuant to the employment letter, Mr. Schaefer's annual base salary was increased to $260,000 and his target bonus opportunity was established at 40%. Additionally, Mr. Schaefer was granted options to purchase 1,250 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. In April 2023, Mr. Schaefer was granted options to purchase 1,500 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. In August 2024, Mr. Schaefer was granted options to purchase 20,000 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. In May 2025, Mr. Schaefer was granted options to purchase 12,500 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. Mr. Schaefer is eligible to receive discretionary cash bonuses as determined by the Compensation Committee or the Board of Directors.

On August 20, 2024, the Company and Mr. Schaefer entered into an employment letter and severance and change in control agreement (the "Schaefer Employment Letter") that establishes his base salary as of the effective date of his appointment as chief executive officer as $260,000 per annum and his 2024 target bonus opportunity as 40% of his base salary for the portion of 2024 he served as the Company's chief financial officer and 50% of his base salary for the portion of 2024 that he serves as the Company's chief executive officer. As set forth in the Schaefer Employment Letter, and consistent with the Company's other named executive officers, Mr. Schaefer's employment is "at-will." Mr. Schaefer also entered into a severance and change in control agreement with the Company (the "Schaefer CIC Agreement"), which by its terms was effective as of the effective date of his employment as chief executive officer and will expire on the third anniversary of the effective date, and which supersedes previous change in control agreements or severance provisions contained in previous employment agreements. Pursuant to the Schaefer CIC Agreement, if the Company terminates Mr. Schaefer's employment for a reason other than cause or Mr. Schaefer's death or disability at any time other than during the twelve-month period immediately following a change of control, then Mr. Schaefer will receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of six months; (ii) reimbursement for premiums paid for coverage pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended, or COBRA, for Mr. Schaefer and his eligible dependents for up to six months; and (iii) a pro-rated portion of the annual cash bonus

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he would have been entitled to receive for the year of termination if he had remained employed by the Company through the end of such year.

If during the twelve-month period immediately following a change of control, (x) the Company terminates Mr. Schaefer's employment for a reason other than cause or Mr. Schaefer's death or disability, or (y) Mr. Schaefer resigns from employment for good reason, then, in lieu of the above described severance benefits, Mr. Schaefer shall receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of twelve months; (ii) reimbursement for premiums paid for coverage pursuant to COBRA for Mr. Schaefer and his eligible dependents for up to twelve months; (iii) a pro-rated portion of the annual cash bonus he would have been entitled to receive for the year of termination if he had remained employed by the Company through the end of such year; and (iv) vesting shall accelerate as to 100% of all of Mr. Schaefer's outstanding equity awards.

***Mark Kawakami (Chief Financial Officer)***

On August 20, 2024, the Company and Mr. Kawakami entered into an employment letter and severance and change in control agreement (the "Kawakami Employment Letter", and together with the Schaefer Employment Letter, the "Employment Letters") that establishes his base salary as of the effective date of his appointment as chief financial officer as $212,063 per annum and his 2024 target bonus opportunity as 20% of his base salary for the portion of 2024 he served as the Company's vice president of finance and 30% of his base salary for the portion of 2024 that he served as the Company's chief financial officer. As set forth in the Employment Letter, and consistent with the Company's other named executive officers, Mr. Kawakami's employment is "at-will." Mr. Kawakami also entered into a severance and change in control agreement with the Company (the "Kawakami CIC Agreement", and together with the Schaefer CIC Agreement, the "CIC Agreements"), which by its terms was effective as of the effective date of his employment as chief financial officer and will expire on the third anniversary of the effective date, and which supersedes previous change in control agreements or severance provisions contained in previous employment agreements. Pursuant to the Kawakami CIC Agreement, if the Company terminates Mr. Kawakami's employment for a reason other than cause or Mr. Kawakami's death or disability at any time other than during the twelve-month period immediately following a change of control, then Mr. Kawakami will receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of six months; (ii) reimbursement for premiums paid for coverage pursuant to COBRA for Mr. Kawakami and his eligible dependents for up to six months; and (iii) a pro-rated portion of the annual cash bonus he would have been entitled to receive for the year of termination if he had remained employed by the Company through the end of such year.

If during the twelve-month period immediately following a change of control, (x) the Company terminates Mr. Kawakami's employment for a reason other than cause or Mr. Kawakami's death or disability, or (y) Mr. Kawakami resigns from employment for good reason, then, in lieu of the above described severance benefits, Mr. Kawakami shall receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of twelve months; (ii) reimbursement for premiums paid for coverage pursuant to COBRA for Mr. Kawakami and his eligible dependents for up to twelve months; (iii) a pro-rated portion of the annual cash bonus he would have been entitled to receive for the year of termination if he had remained employed by the Company through the end of such year; and (iv) vesting shall accelerate as to 100% of all of Mr. Kawakami's outstanding equity awards.

In August 2024, Mr. Kawakami was granted options to purchase 20,000 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. In May 2025, Mr. Kawakami was granted options to purchase 12,500 shares of Arcadia's common stock under the 2015 Omnibus Equity Incentive Plan. The stock options have a term of ten years and vest over four years, with 25% of the shares subject to the stock options vesting on the first anniversary of the grant date, and an additional 1/36<sup>th</sup> of the shares vesting each month thereafter, subject to continued service through the applicable vesting dates. Mr. Kawakami was eligible to receive discretionary cash bonuses as determined by the Compensation Committee or the Board of Directors.

***Severance and Change in Control Agreements***

In February 2015, our Board approved the form of severance and change in control agreements (the "CIC Agreements") for each of our executive officers. The specific terms of the CIC Agreements for our current executive officers are discussed below. Each of the CIC Agreements expires by its terms on the third anniversary of the effective date of such agreement.

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Pursuant to the CIC Agreements, if we terminate an executive's employment with us for a reason other than cause (as defined in the CIC Agreements) or the executive's death or disability (as defined in the CIC Agreements) at any time other than during the twelve-month period immediately following a change of control (as defined in the CIC Agreements), then such executive will receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of six months; (ii) reimbursement for premiums paid for coverage pursuant to COBRA, for the executive and the executive's eligible dependents for up to six months; and (iii) a pro-rated portion of the termination year bonus based on the percentage of the year that executive was employed by the Company in the year of termination.

If during the twelve-month period immediately following a change of control (as defined in the CIC Agreements), (x) we terminate an executive's employment with us for a reason other than cause (as defined in the CIC Agreements) or the executive's death or disability (as defined in the CIC Agreements), or (y) an executive resigns from such employment for good reason (as defined in the CIC Agreements), then, in lieu of the above described severance benefits, such executive shall receive the following severance benefits from the Company: (i) severance in the form of base salary continuation for a period of twelve months; (ii) reimbursement for premiums paid for coverage pursuant to COBRA, for the executive and the executive's eligible dependents for up to twelve months; (iii) vesting shall accelerate as to 100% of all of the executive's outstanding equity awards; and (iv) a pro-rated portion of the termination year bonus based on the percentage of the year that executive was employed by the Company in the year of termination.

An executive's receipt of severance payments or benefits pursuant to a CIC Agreement is subject to the executive signing a release of claims in our favor and complying with certain restrictive covenants set forth in the CIC Agreement.

Each CIC Agreement contains a "better after-tax" provision, which provides that if any of the payments to an executive constitutes a parachute payment under Section 280G of the Code, the payments will either be (i) reduced or (ii) provided in full to the executive, whichever results in the executive receiving the greater amount after taking into consideration the payment of all taxes, including the excise tax under Section 4999 of the Code, in each case based upon the highest marginal rate for the applicable tax.

On February 8, 2024, our Board approved a retention bonus of $65,000 for Mr. Schaefer. In order to be eligible for a retention bonus, Mr. Schaefer must have remained employed by Arcadia in good standing until the earlier to occur of (i) a change of control (as defined in the CIC Agreements) and (ii) December 31, 2024, and the bonus was paid in 2025.

**Outstanding Equity Awards at Fiscal Year-End**

The following table sets forth information regarding outstanding stock options held by our 2025 named executive officers who held any outstanding options as of December 31, 2025.

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| | | | | | |
|:---|:---|:---|:---|:---|:---|
|  | **Option Awards** | **Option Awards** | **Option Awards** | **Option Awards** | **Option Awards** |
| **Name and Principal Position** | **Number of<br>securities<br>underlying<br>unexercised<br>options (#)<br>exercisable(1)** | **Number of<br>securities<br>underlying<br>unexercised<br>options (#)<br>unexercisable(1)** |  | **Option<br>Exercise<br>Price ($)** | **Option<br>Expiration<br>Date** |
| Thomas J. Schaefer | 200 |  | (1) | $146.80 | 7/27/2030 |
| &nbsp;&nbsp;&nbsp;&nbsp;President and Chief Executive Officer | 100 |  | (2) | $122.00 | 1/21/2031 |
|  | 500 |  | (3) | $83.60 | 10/1/2031 |
|  | 575 |  | (4) | $50.80 | 4/11/2032 |
|  | 725 | 50 | (5) | $50.80 | 4/11/2032 |
|  | 575 |  | (6) | $37.60 | 8/16/2032 |
|  | 937 | 313 | (7) | $11.20 | 1/3/2033 |
|  | 1026 | 474 | (8) | $7.55 | 4/4/2033 |
|  | 6664 | 13336 | (9) | $2.71 | 8/19/2034 |
|  |  | 12500 | (10) | $3.88 | 5/9/2035 |

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(1) The stock options vested as to 25% of the shares on July 27, 2021, with the remaining 75% vesting in 36 equal monthly installments thereafter, such that the award is fully vested on July 1, 2024, subject to the executive officer's continued service through each vesting date.

(2) The stock options vested as to 25% of the shares on January 21, 2022, with the remaining 75% vesting in 36 equal monthly installments thereafter, such that the award is fully vested on January 31, 2025, subject to the executive officer's continued service through each vesting date.

(3) The stock options vest in 48 equal installments beginning November 1, 2021, and ending October 1, 2025, subject to the executive officer's continued service through each vesting date.

(4) The stock options vested as to 50% of the shares on April 11, 2023, with the remaining 50% of shares vested on April 11, 2024.

(5) The stock options vested as to 25% of the shares on April 11, 2023, with the remaining 75% of shares vesting in 36 equal monthly installments thereafter, such that the award is fully vested on March 31, 2026, subject to the executive officer's continued service through each vesting date.

(6) The stock options vest in three equal annual installments beginning August 16, 2023, and ending August 31, 2026, subject to the executive officer's continued service through each vesting date.

(7) The stock options vested as to 25% of the shares on January 3, 2024, with the remaining 75% vesting in 36 equal monthly installments thereafter, such that the award is fully vested on December 31, 2026, subject to the executive officer's continued service through each vesting date.

(8) The stock options vested as to 25% of the shares on April 4, 2024, with the remaining 75% of shares vesting in 36 equal monthly installments thereafter, such that the award is fully vested on March 31, 2027, subject to the executive officer's continued service through each vesting date.

(9) The stock options vested as to 25% of the shares on August 19, 2025, with the remaining 75% of shares vesting in 36 equal monthly installments thereafter, such that the award is fully vested on August 31, 2028, subject to the executive officer's continued service through each vesting date.

(10) The stock options will vest as to 25% of the shares on May 9, 2026, with the remaining 75% of shares vesting in 36 equal monthly installments thereafter, such that the award is fully vested on May 31, 2029, subject to the executive officer's continued service through each vesting date.

**Non-Employee Director Compensation**

The following table summarizes compensation paid to our non-employee directors during the year ended December 31, 2025.

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| | | | |
|:---|:---|:---|:---|
| **Name** | **Fees Earned<br>or Paid in<br>Cash**<sup>(1)</sup> | **Option<br>Awards** | **Total** |
| Kevin Comcowich | $90500 | $- | $90500 |
| Albert D. Bolles, Ph.D. | $46000 | $- | $46000 |
| Deborah Carosella | $56500 | $- | $56500 |
| Gregory Waller | $64000 | $- | $64000 |
| Lilian Shackelford Murray | $65500 | $- | $65500 |
| Amy Yoder | $62000 | $- | $62000 |

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(1) Represents the cash annual retainer and the meeting attendance fees earned by the non-employee directors. Also includes $6,000 paid to each of Mr. Comcowich, Ms. Shackelford Murray, Ms. Yoder and Ms. Carosella for serving on a special committee of the Board in connection with the Company's strategic review process.

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The following table lists all outstanding equity awards held by our non-employee directors as of December 31, 2025.

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| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Director Name** | **Option Grant<br>Date** | **Number of<br>Options<br>Outstanding** |  | **Option Exercise<br>Price Per Share<br>($)(1)** | **Option<br>Expiration Date** |
| Kevin Comcowich | 10/30/2016 | 59 | (2) | $1376.00 | 10/30/2026 |
|  | 6/7/2017 | 75 | (2) | $584.00 | 6/7/2027 |
|  | 6/6/2018 | 186 | (2) | $432.00 | 6/6/2028 |
|  | 6/3/2019 | 403 | (2) | $201.60 | 6/3/2029 |
|  | 6/1/2020 | 533 | (2) | $147.60 | 6/1/2030 |
|  | 7/8/2020 | 131 | (2) | $149.20 | 7/8/2030 |
|  | 6/2/2021 | 637 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 1377 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 2186 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 25455 | (2) | $2.71 | 8/19/2034 |
| Albert D. Bolles, Ph.D. | 5/12/2018 | 205 | (2) | $366.40 | 5/12/2028 |
|  | 6/6/2018 | 80 | (2) | $432.00 | 6/6/2028 |
|  | 6/3/2019 | 172 | (2) | $201.60 | 6/3/2029 |
|  | 6/1/2020 | 228 | (2) | $147.60 | 6/1/2030 |
|  | 6/2/2021 | 273 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 590 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 937 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 10909 | (2) | $2.71 | 8/19/2034 |
| Deborah Carosella | 2/22/2021 | 546 | (2) | $130.00 | 2/22/2031 |
|  | 6/2/2021 | 273 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 590 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 937 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 10909 | (2) | $2.71 | 8/19/2034 |
| Lilian Shackelford Murray | 6/6/2018 | 160 | (2) | $432.00 | 6/6/2028 |
|  | 6/3/2019 | 172 | (2) | $201.60 | 6/3/2029 |
|  | 6/1/2020 | 228 | (2) | $147.60 | 6/1/2030 |
|  | 7/8/2020 | 18 | (2) | $149.20 | 7/8/2030 |
|  | 6/2/2021 | 273 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 590 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 937 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 10909 | (2) | $2.71 | 8/19/2034 |
| Gregory D. Waller | 6/7/2017 | 149 | (2) | $584.00 | 6/7/2027 |
|  | 6/6/2018 | 80 | (2) | $432.00 | 6/6/2028 |
|  | 6/3/2019 | 172 | (2) | $201.60 | 6/3/2029 |
|  | 6/1/2020 | 228 | (2) | $147.60 | 6/1/2030 |
|  | 6/2/2021 | 273 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 590 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 937 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 10909 | (2) | $2.71 | 8/19/2034 |
| Amy Yoder | 8/7/2017 | 253 | (2) | $344.00 | 8/7/2027 |
|  | 6/6/2018 | 80 | (2) | $432.00 | 6/6/2028 |
|  | 6/3/2019 | 172 | (2) | $201.60 | 6/3/2029 |
|  | 6/1/2020 | 228 | (2) | $147.60 | 6/1/2030 |
|  | 6/2/2021 | 273 | (2) | $115.60 | 6/2/2031 |
|  | 6/1/2022 | 590 | (2) | $53.60 | 6/1/2032 |
|  | 6/6/2023 | 937 | (2) | $4.80 | 6/6/2033 |
|  | 8/19/2024 | 10909 | (2) | $2.71 | 8/19/2034 |

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(1) The option exercise price per share reflects the fair market value per share of our common stock on the date of grant.

(2) These options are fully vested.

**Non-Employee Director Compensation Policy**

***Cash Compensation***

Each non-employee director receives an annual cash retainer of $30,000 for serving on our Board of Directors. The retainer is payable in arrears in equal quarterly installments, subject to such director's continued service on the last day of the preceding quarter and prorated as necessary to reflect service commencement or termination during the quarter. In addition, under the Company's policies with respect to the 2025 year, each non-employee director received the following amount for each regular meeting of the Board attended: (i) $2,500 if attendance is in person or via teleconference or (ii) $500 if attendance is through telephone; provided, however, that the total meeting fees may not exceed $10,000 per calendar year.

Under the Company's current policies, the chair and non-chair members of the Board's three standing committees are entitled to the following additional annual cash fees (payable quarterly in arrears and prorated for partial service in a quarter):

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| | | |
|:---|:---|:---|
| **Board Committee** | **Chair<br>Fee** | **Non-Chair<br>Member Fee** |
| Audit Committee | $18000 | $7500 |
| Compensation Committee | $12000 | $6000 |
| Nominating and Governance Committee | $8500 | $4500 |

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With respect to the 2025 year, the chair of the Board was entitled to an additional $40,000 annual cash fee (payable quarterly in arrears and prorated for partial service in a quarter). In addition, in 2025, each member of the Special Committee received $6,000 for service on the committee during 2025. Commencing in 2026, the Board eliminated payments for attendance at meetings of the Board or committees and for service on the Special Committee of the Board. Directors who are also employees of the Company do not receive any additional cash or equity compensation for service as a director.

***Equity Compensation***

Under the Company's policies as in effect during the 2025 year and as currently in effect concerning compensation of non-employee directors, and subject to the availability of an equity compensation plan that has been approved by the Board and the stockholders of the Company, upon joining the Board, each newly elected non-employee director receives an initial option to purchase a number of shares of our common stock equal to (x) $60,000 divided by (y) the Black-Scholes value of a share on the date of grant, as determined consistent with the historical practices of the Company. This initial option will vest and become exercisable in three equal installments on each of the first three anniversaries of the date of grant, subject to the director's continued service through each vesting date. The per share exercise price for the initial option will be equal to the fair market value of a share of our common stock on the date of grant, which will be equal to the closing price of our common stock on the date of grant. An employee director who ceases to be an employee, but who remains a director, will not receive an initial option grant.

In addition, under the Company's policies as in effect during the 2025 year and as currently in effect concerning compensation of non-employee directors, and subject to the availability of an equity compensation plan that has been approved by the Board and the stockholders of the Company, on the date of each annual meeting of our stockholders, each non-employee director generally was granted an annual option to purchase a number of shares of our common stock equal to equal to (x) $30,000 divided by (y) the Black-Scholes value of a share on the date of grant, as determined consistent with the historical practices of the Company. In addition, the chair of the Board generally was granted an additional annual option to purchase a number of shares of our common stock equal to (x) $40,000 divided by (y) the Black-Scholes value of a share on the date of grant, as determined consistent with the

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historical practices of the Company. The annual options generally vest and become exercisable on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of our next annual meeting of stockholders, subject to the director's or the chair's, as applicable) continued service through the vesting date. The per share exercise price for annual option grants is equal to the fair market value of a share of our common stock on the date of grant. Notwithstanding the vesting schedules described above, the vesting of each equity award will accelerate in full in case of a termination of directorship due to a change in control.

Each of the option awards described above is subject to the availability of shares under an equity incentive plan that has been approved by the Board and the stockholders of the Company. The Company's 2015 Omnibus Equity Incentive Plan (the "2015 Plan") reached the end of its term and terminated in 2025 before the date of the Company's 2025 annual meeting of stockholders. As a result, non-employee directors did not receive any option grants or other equity awards in 2025, there is no stockholder approved equity incentive plan pursuant to which directors may be granted options or other equity awards, and no stock options or other equity awards are contemplated to be granted to non-employee directors until a new equity incentive plan has been approved by the Board and the Company's stockholders. If the Board and the stockholders of the Company approve a new equity incentive plan in the future, then the Board may consider revising its policies concerning the manner of determination of, the number of shares covered by, and other terms of, initial and annual option grants or other equity awards to non-employee directors.

**Policies and Practices Related to the Grant of Certain Equity Awards Close in Time to the Release of Material Nonpublic Information**

Grants of options and other equity awards to our executive officers and directors are approved by the Compensation Committee or the Board, generally at regularly scheduled meetings or sometimes by unanimous written consent. From time to time, we grant stock options or other equity awards to employees, including the named executive officers. Also, non-employee directors generally receive grants of initial and annual stock option awards, at the time of a director's initial appointment or election to the Board and at the time of each annual meeting of the Company's stockholders, respectively, pursuant to our equity compensation policies for non-employee directors as described above. We have no practice of timing grants of equity awards to coordinate with the release of material non-public information ("MNPI"). Although we have not adopted a formal policy regarding the timing of equity award grants, including stock options, neither our Board nor our Compensation Committee takes MNPI about the Company into account when determining the timing of equity awards, nor do we time the disclosure of MNPI for the purpose of impacting the value of executive compensation. During 2025, we did not grant stock options to any named executive officer during any period beginning four business days before and ending one business day after the filing of any Form 10-Q or 10-K, or the filing or furnishing of a Form 8-K that disclosed material nonpublic information.

**<u>ITEM 12: SEC</u><u>URITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS</u>**

The following table sets forth information regarding beneficial ownership of our common stock as of March 31, 2026, to the extent known to us, by:

&nbsp;&nbsp;&nbsp;&nbsp;1. each person or group of affiliated persons known by us to be the beneficial owner of more than 5% of our common stock;

&nbsp;&nbsp;&nbsp;&nbsp;2. each of our named executive officers;

&nbsp;&nbsp;&nbsp;&nbsp;3. each of our directors; and

&nbsp;&nbsp;&nbsp;&nbsp;4. all of our executive officers and directors as a group.

We have determined beneficial ownership in accordance with the rules of the SEC and the information is not necessarily indicative of beneficial ownership for any other purpose. Unless otherwise indicated below, to our knowledge, the persons and entities named in the table have sole voting and sole investment power with respect to all shares that they beneficially own, subject to community property laws where applicable. To our knowledge, no

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person or entity, except as set forth below, is the beneficial owner of more than 5% of the voting power of our common stock as of the close of business on March 31, 2026.

Under SEC rules, the calculation of the number of shares of our common stock beneficially owned by a person and the percentage ownership of that person includes both outstanding shares of our common stock then owned as well as any shares of our common stock subject to options or warrants held by that person that are currently exercisable or exercisable within 60 days of March 31, 2026. Shares subject to those options or warrants for a particular person are not included as outstanding, however, for the purpose of computing the percentage ownership of any other person. We have based percentage ownership of our common stock on 2,056,884 shares of our common stock outstanding as of March 31, 2026.

Unless otherwise indicated, the address of each beneficial owner listed in the table below is c/o Arcadia Biosciences, Inc., 5956 Sherry Lane, Suite 2000 Dallas, TX 75225.

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| | | |
|:---|:---|:---|
| **Name of Beneficial Owner** | **Number of Shares<br>Beneficially Owned** | **Percent of Shares<br>Outstanding** |
| **Named Executive Officers, Directors and Director Nominees:** |  |  |
| Thomas J. Schaefer (1) | 19921 | &nbsp;&nbsp;**\*** |
| Mark Kawakami |  | &nbsp;&nbsp;**\*** |
| Kevin Comcowich (2) | 31542 | &nbsp;&nbsp;**\*** |
| Lilian Shackelford Murray (3) | 13501 | &nbsp;&nbsp;**\*** |
| Gregory D. Waller (4) | 13338 | &nbsp;&nbsp;**\*** |
| Amy Yoder (5) | 13442 | &nbsp;&nbsp;**\*** |
| All current executive officers and directors as a<br> group (5 persons) (6) | 91744 | 4.5% |
| **5% Stockholders:** |  |  |
| Sabby Volatility Warrant Master Fund, Ltd. (7) | 806493 | 9.9% |
| Armistice Capital Master Fund Ltd. (8) | 935528 | 9.9% |

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\*Represents beneficial ownership of less than 1% of the outstanding shares of our common stock.

(1)Mr. Schaefer is our current Chief Executive Officer and was previously our Chief Financial Officer. His beneficial ownership consists of (i) 2,819 shares of common stock and (ii) 17,102 shares of common stock issuable pursuant to stock options exercisable within 60 days after the Table Date.

(2)Mr. Comcowich is the current chair of our Board of Directors. His beneficial ownership consists of (i) 500 shares of common stock and (ii) 31,042 shares of common stock issuable pursuant to stock options exercisable within 60 days after the Table Date.

(3)Ms. Murray serves as a member of our Board of Directors. Her beneficial ownership consists of (i) 214 shares of common stock and (ii) 13,287 shares of common stock issuable pursuant to stock options exercisable within 60 days after the Table Date.

(4)Mr. Waller serves as a member of our Board of Directors. His beneficial ownership consists of 13,338 shares of common stock issuable pursuant to stock options exercisable within 60 days after the Table Date.

(5)Ms. Yoder serves as a member of our Board of Directors. Her beneficial ownership consists of 13,442 shares of common stock issuable pursuant to stock options exercisable within 60 days after the Table Date.

(6)Beneficial ownership consists of (i) 3,533 shares of common stock and (ii) 88,211 shares of common stock subject to options exercisable within 60 days of the Table Date, in each case beneficially owned by our current executive officers and directors.

(7)Includes (i) 124,831 Abeyance Shares issuable upon notice from the Stockholder subject to beneficial ownership limitations on issuance of Abeyance Shares and (ii) 681,662 shares of common stock issuable upon exercise of preferred investment options. Under the terms of these preferred investment options, the holder may not exercise these instruments to the extent such exercise would cause such holder to beneficially own a number of shares of common stock that would exceed 9.99% of our then outstanding common stock following such exercise. The number of shares listed in the second column above does not reflect this limitation. Sabby Management, LLC is the investment manager of Sabby Volatility Warrant Master Fund, Ltd. and shares voting and investment power with respect to these shares in this capacity. As manager of Sabby Management,

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LLC, Hal Mintz also shares voting and investment power on behalf of Sabby Volatility Warrant Master Fund, Ltd. Each of Sabby Management, LLC and Hal Mintz disclaims beneficial ownership over the securities listed except to the extent of their pecuniary interest therein. The beneficial owner's address is c/o Ogier Fiduciary Services (Cayman) Limited 89 Nexus Way, Camana Bay, Grand Cayman KY1-9007, Cayman Islands.

(8)Includes 935,528 shares of common stock issuable upon exercise of preferred investment options. Under the terms of these preferred investment options, the holder may not exercise these instruments to the extent such exercise would cause such holder to beneficially own a number of shares of common stock that would exceed 9.99% of our then outstanding common stock following such exercise. The number of shares listed in the second column above does not reflect this limitation. These securities are directly held by (i) Armistice Capital Master Fund, Ltd. (the "Master Fund"), a Cayman Islands exempted company, and may be deemed to be indirectly beneficially owned by Armistice Capital, LLC ("Armistice"), as the investment manager of the Master Fund; and (ii) Steven Boyd, as the Managing Member of Armistice. Armistice and Steven Boyd disclaim beneficial ownership of the reported securities except to the extent of their respective pecuniary interest therein. The beneficial owner's address is c/o Armistice Capital, LLC 510 Madison Avenue, 7th Floor, New York, NY 10022.

***Securities Authorized for Issuance under Equity Compensation Plans***

As of December 31, 2025, we maintained three equity compensation plans, all of which were approved by the Board of Directors and our stockholders prior to our initial public offering in May 2015. The following table provides the information shown as of December 31, 2025 for each of the three plans and for certain warrants granted to entities.

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Plan** | **Shares issuable<br>upon exercise of<br>outstanding plan<br>options, warrants<br>and rights** |  | **Weighted-average<br>exercise price of<br>outstanding<br>options, warrants<br>and rights** | **Shares remaining<br>available for future<br>issuance under<br>equity<br>compensation plans<br>(excluding those<br>reflected in<br>column (a))** |  |
|  | **(a)** |  | **(b)** | **(c)** |  |
| Equity compensation plans approved by security holders (1) | 179963 | (2) | $14.65 |  | (3) |
| Equity compensation plans not approved by security holders | 51876 | (4) | $1.34 |  |  |
| Total | 231839 |  | $11.67 |  |  |

---

S

(1) Includes the following plans: 2006 Stock Plan, 2015 Plan, and 2015 Employee Stock Purchase Plan ("<u>ESPP</u>"). Only option grants were made under the 2006 Stock Plan and 2015 Plan.

(2) As of December 31, 2025, there were 179,963 outstanding options or other equity grants under the 2015 and 2006 Plans, and there had been purchases pursuant to the ESPP of 10,560 shares.

(3) The 2015 Plan and ESPP expired in 2025.

(4) Consists of the following warrants to purchase shares of our common stock that were outstanding as of December 31, 2025: (i) 805 warrants issued on July 8, 2020 to a placement agent in an equity financing that expire on the fifth anniversary of the issue date and that have an exercise price of $198.75 per share, (ii) 9,848 warrants issued on January 28, 2021 to a placement agent in an equity financing that expire on the fifth and one-half anniversary of the issue date and that have an exercise price of $159.60 per share, (iii) 5,906 preferred investment options issued on August 16, 2022 to a placement agent in an equity financing that expire on the fifth anniversary of the issue date and that have an exercise price of $52.94 per share, (iv) 1,000 warrants issued on October 18, 2022 to a consulting entity that vest monthly as to 1/12th of the underlying shares, expire on the fifth anniversary of the issue date and that have an exercise price of $16 per share, (v) 1,000 warrants issued on December 21, 2022 to a consulting entity that vest monthly as to 1/12th of the underlying shares, expire on the fifth anniversary of the issue date and that have an exercise price of $11.20 per share, (vi) 33,317 preferred investment options issued on March 6, 2023 to a placement agent in an equity financing that expire on the fifth anniversary of the issue date and that have an exercise price of $11.25 per share.

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**<u>ITEM 13. CER</u><u>TAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS, AND DIRECTOR INDEPENDENCE</u>**

In addition to director and executive officer compensation arrangements discussed above under "Item 11—Executive Compensation" of this Form 10-K/A, since January 1, 2024, we have not been a party to any transactions or currently proposed transactions in which the amount involved exceeded or will exceed the lesser of (i) $120,000 or (ii) one percent of the average of our total assets at year-end for the last two fiscal years, and in which any of our directors, executive officers, immediate family member thereof, beneficial holders of more than 5% of our capital stock, or entities affiliated with them, had or will have a direct or indirect material interest, other than (i) compensation for services as executive officers and directors, or (ii) employment relationships or transactions involving an executive officer and related compensation solely resulting from that employment relationship or transaction, including the employment agreements, stock option or other equity awards, and other transactions described in "Item 11—Executive Compensation" of this Form 10-K/A, or not otherwise required to be reported (a "related party transaction").

We have entered into employment agreements with certain of our executive officers that, among other things, provide for certain severance and change of control benefits. For a description of employment agreements and change of control agreements with our named executive officers, see "Item 11—Executive Compensation" of this Form 10-K/A.

We have entered into indemnification agreements with our non-employee directors. Each agreement provides, among other things, that we will indemnify the director to the fullest extent permissible under Delaware law against liabilities and certain expenses (including attorneys' fees, judgments, fines and settlement amounts reasonably incurred by the officer in any action or proceeding), that may arise by reason of their service to us or at our direction, and to advance expenses incurred as a result of any proceeding against them as to which they could be indemnified.

On January 9, 2026, we entered into inducement letter agreements (the "Inducement Letters") with Sabby Volatility Warrant Master Fund, Ltd. and Armistice Capital Master Fund Ltd. (the "Participating Holders") pursuant to which such Participating Holders agreed to exercise certain outstanding preferred investment options (the "Existing Options") to purchase an aggregate of 808,595 shares of common stock and/or Abeyance Shares (as described below). The Existing Options had an exercise price of $9.00 per share and were originally issued in December 2020, January 2021, August 2022, and March 2023. Pursuant to the Inducement Letters, the Participating Holders agreed to exercise for cash the Existing Options at a reduced exercise price of $2.575 per share, in consideration for the Company's agreement to issue new preferred investment options (the "Investment Options") to purchase up to 1,617,190 shares (the "Investment Option Shares") of common stock. The Investment Options have an exercise price of $2.325 per share, are exercisable immediately upon issuance, and expire on the date that is 30 months following the effective date of the Resale Registration Statement described below (the "Option Termination Date"). The closing of the transactions contemplated by the Inducement Letters occurred on January 12, 2026. The Company received aggregate gross proceeds of approximately $2.1 million from the exercise of the Existing Options by the Participating Holders, before deducting placement agent fees and other offering expenses payable by the Company. In the event that the exercise of the Existing Options would have otherwise caused a Participating Holder to exceed the beneficial ownership limitations set forth in such Participating Holder's Existing Options (4.99% or 9.99%, as applicable), we issued to such Participating Holder the number of shares of common stock that would not cause such Participating Holder to exceed such beneficial ownership limitation, as directed by such Participating Holder, and agreed to hold such Participating Holder's balance of shares of common stock in abeyance ("Abeyance Shares") until we receive notice from such Participating Holder that the balance of shares of common stock may be issued in compliance with such beneficial ownership limitations, with such Abeyance Shares evidenced through such Holder's Existing Options, which Participating Holder's Existing Options deemed prepaid and may be exercised pursuant to a notice of exercise from the applicable Participating Holder. We also agreed to file a registration statement with the Securities and Exchange Commission to register the resale of the Investment Option Shares issuable upon exercise of the Investment Options, which registration statement was filed and has been

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<u>**Table of Contents**</u>

declared effective by the SEC, and to keep the registration statement effective at all times until no holder of Options owns any Investment Options or Investment Option Shares.

**Policies and Procedures for Related Party Transactions**

Our audit committee charter states that our audit committee is responsible for reviewing and approving in advance any related party transaction, which is a transaction between us and related persons in which the aggregate amount involved exceeds or may be expected to exceed the lesser of (i) $120,000 or (ii) one percent of the average of our total assets for the last two fiscal years in any calendar year. Our audit committee has adopted policies and procedures for review of, and standards for approval of, such a related party transaction. For purposes of these policies and procedures, a related person is defined as an executive officer, director, or nominee for director, including his or her immediate family members, or a beneficial owner of greater than 5% our common stock, in each case since the beginning of the most recently completed year.

It is our intention to ensure that all future transactions between us and our officers, directors, and principal stockholders and their affiliates are approved by the audit committee of our Board of Directors and are on terms no less favorable to us than those that we could obtain from unaffiliated third parties.

**<u>ITEM 14. PRINC</u><u>IPAL ACCOUNTANT FEES AND SERVICES</u>**

<br> Auditor Firm Id: 34 Auditor Name: Deloitte & Touche LLP Auditor Location: Tempe, AZ, United States

The following table sets forth all fees accrued or paid to Deloitte & Touche LLP, which was our independent registered public accounting firm for the years ended December 31, 2025 and 2024:

---

| | | |
|:---|:---|:---|
|  | **Year Ended December 31,** | **Year Ended December 31,** |
|  | **2025** | **2024** |
| Audit Fees <sup>(1)</sup> | $892001 | $573555 |
| Audit-Related Fees |  |  |
| Tax Fees |  |  |
| All Other Fees <sup>(2)</sup> | $1895 | $1895 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total | $893896 | $575450 |

---

(1) Audit Fees consist of professional services rendered in connection with the audit of our annual consolidated financial statements, including audited financial statements presented in our Annual Report on Form 10-K and services that are normally provided by the independent registered public accountants in connection with statutory and regulatory filings or engagements for those fiscal years. Audit fees in 2025 also included professional services rendered in connection with the Registration Statements on Form S-4. Audit fees in 2024 also included professional services rendered in connection with the GoodWheat discontinued operations, the proposed transaction with Roosevelt Resources, and the Registration Statement on Form S-8.

(2) All Other Fees consist of licensing fees for Deloitte & Touche LLP's accounting research software.

*Pre-approval Policy*. Under our audit committee's policy governing our use of the services of our independent registered public accountants, the audit committee is required to pre-approve all audit and permitted non-audit services performed by our independent registered public accountants in order to ensure that the provision of such services does not impair the public accountants' independence. In the years ended December 31, 2025 and 2024, all fees identified above under the captions "Audit Fees," and "All Other Fees" that were billed by Deloitte & Touche LLP were approved by the audit committee in accordance with SEC requirements.

In the year ended December 31, 2025, there were no other professional services provided by Deloitte & Touche LLP, other than those listed above, that would have required our audit committee to consider their compatibility with maintaining the independence of Deloitte & Touche LLP.

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<u>**Table of Contents**</u>

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**PART IV**

**<u>ITEM 15. EXHIBITS</u> <u>AND FINANCIAL STATEMENT SCHEDULES</u>**

We have filed the following documents as part of this report.

**Exhibit Index**

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  |  | **Incorporated by Reference** | **Incorporated by Reference** | **Incorporated by Reference** | **Incorporated by Reference** |  |
| **Exhibit**<br>**Number** | **Exhibit Description** | **Form** | **File No.** | **Exhibit** | **Filing**<br>**Date** | **Filed**<br>**Herewith** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.1 | [<u>Agreement and Plan of Exchange, by and among Arcadia Biosciences, Inc., and Roosevelt Resources LP, Elliott Roosevelt, Jr. and David A. Roosevelt, as Representatives of the Limited Partners, dated as of December 4, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024133817/rkda-ex2_1.htm) | 8-K | 001-37383 | 2.1 | 12/6/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.1 | [<u>Amended and Restated Certificate of Incorporation of Registrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000110465915040719/a15-12668_1ex3d1.htm) | 8-K | 001-37383 | 3.1 | 5/26/2015 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.2 | [<u>Amendment to the Amended and Restated Certificate of Incorporation of Registrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023005092/rkda-ex3_1.htm) | 8-K | 001-37383 | 3.1 | 2/28/2023 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.3 | [<u>Certificate of Designation of Series A Preferred Stock.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022026235/rkda-ex3_1.htm) | 8-K | 001-37383 | 3.1 | 12/8/2022 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.4 | [<u>Amended and Restated Bylaws of Registrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000110465915040719/a15-12668_1ex3d2.htm) | 8-K | 001-37383 | 3.2 | 5/26/2015 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.5 | [<u>Amendment to the Amended and Restated Bylaws of Registrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022026239/rkda-ex3_2.htm) | 8-K | 001-37383 | 3.2 | 12/8/2022 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.1 | [<u>Form of Registrant's common stock certificate.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915003189/a2223259zex-4_1.htm) | S-3 | 333-224061 | 4.1 | 3/30/2018 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.2 | [<u>Form of Common Stock Purchase Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459018006617/rkda-ex41_8.htm) | 8-K | 001-37383 | 4.1 | 3/23/2018 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.3 | [<u>Form of Common Stock Purchase Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019022531/rkda-ex41_8.htm) | 8-K | 001-37383 | 4.1 | 6/14/2019 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.4 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019022531/rkda-ex42_7.htm) | 8-K | 001-37383 | 4.2 | 6/14/2019 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.5 | [<u>Form of Common Stock Purchase Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019034379/rkda-ex41_10.htm) | 8-K | 001-37383 | 4.1 | 9/9/2019 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.6 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019034379/rkda-ex42_8.htm) | 8-K | 001-37383 | 4.2 | 9/9/2019 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.7 | [<u>Description of Registrant's Securities Pursuant to Section 12 of the Securities Exchange Act of 1934, as amended</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024038176/rkda-ex4_7.htm) | 10-K | 001-37383 | 4.7 | 3/25/2025 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.8 | [<u>Form of Common Stock Purchase Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020025981/rkda-ex41_8.htm) | 8-K | 001-37383 | 4.1 | 5/18/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.9 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020025981/rkda-ex42_6.htm) | 8-K | 001-37383 | 4.2 | 5/18/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.10 | [<u>Form of Common Stock Purchase Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020032052/rkda-ex41_8.htm) | 8-K | 001-37383 | 4.1 | 7/8/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.11 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020032052/rkda-ex42_7.htm) | 8-K | 001-37383 | 4.2 | 7/8/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.12 | [<u>Form of Investor Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020057965/rkda-ex41_21.htm) | 8-K | 001-37383 | 4.1 | 12/22/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.13 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020057965/rkda-ex42_22.htm) | 8-K | 001-37383 | 4.2 | 12/22/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.14 | [<u>Form of Investor Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459021003281/rkda-ex41_15.htm) | 8-K | 001-37383 | 4.1 | 1/29/2021 |  |

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<u>**Table of Contents**</u>

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.15 | [<u>Form of Placement Agent Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459021003281/rkda-ex42_14.htm) | 8-K | 001-37383 | 4.2 | 1/29/2021 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.16 | [<u>Form of Investor Pre-Funded Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022017516/rkda-ex4_1.htm) | 8-K | 001-37383 | 4.1 | 8/16/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.17 | [<u>Form of Investor Preferred Investment Option.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022017516/rkda-ex4_2.htm) | 8-K | 001-37383 | 4.2 | 8/16/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.18 | [<u>Form of Placement Agent Preferred Investment Option.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022017516/rkda-ex4_3.htm) | 8-K | 001-37383 | 4.3 | 8/16/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.19 | [<u>Form of Pre-Funded Warrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex4_1.htm) | 8-K | 001-37383 | 4.1 | 3/3/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.20 | [<u>Form of Series A Preferred Investment Option.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex4_2.htm) | 8-K | 001-37383 | 4.2 | 3/3/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.21 | [<u>Form of Series B Preferred Investment Option.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex4_3.htm) | 8-K | 001-37383 | 4.3 | 3/3/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.22 | [<u>Form of Placement Agent Preferred Investment Option.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex4_4.htm) | 8-K | 001-37383 | 4.4 | 3/3/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.1\* | [<u>Form of Indemnification Agreement between the Registrant and each of its Officers and Directors.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915000857/a2222629zex-10_7.htm) | S-1 | 333-202124 | 10.7 | 2/17/2015 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.2\* | [<u>2006 Stock Plan, as amended and restated, and form of agreement thereunder.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915000857/a2222629zex-10_8.htm) | S-1 | 333-202124 | 10.8 | 2/17/2015 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.3\* | [<u>2015 Omnibus Equity Incentive Plan and forms of agreement thereunder.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024096439/rkda-ex10_5.htm) | 10-Q | 001-37383 | 10.5 | 8/13/2024 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.4\* | [<u>2015 Employee Stock Purchase Plan and form of agreement thereunder.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915004608/a2224712zex-10_10.htm) | S-1/A | 333-202124 | 10.10 | 5/11/2015 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.5\* | [<u>Executive Incentive Bonus Plan.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915004608/a2224712zex-10_15.htm) | S-1/A | 333-202124 | 10.15 | 5/11/2015 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.6\* | [<u>Amended and Restated Director Compensation Policy.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459016018994/rkda-ex1014_357.htm) | 10-Q | 001-37383 | 10.14 | 5/10/2016 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.7\* | [<u>Form of Severance and Change in Control Agreement.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000104746915003189/a2223259zex-10_18.htm) | S-1/A | 333-202124 | 10.18 | 4/6/2015 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.8 | [<u>Base Office Lease dated March 17, 2003 between the Registrant and Pac West Office Equities, LP, including Amendments 1-7.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312518359270/d672502dex1016.htm) | S-1 | 333-229047 | 10.16 | 12/27/2018 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.9 | [<u>Amendment No. 8 to the Office Lease dated March 17, 2003 between the Registrant and Pac West Office Equities, LP.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020012875/rkda-ex108_424.htm) | 10-Q | 001-37383 | 10.8 | 5/13/2020 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.10 | [<u>Amendment No. 9 to the Office Lease dated March 17, 2003 between the Registrant and Pac West Office Equities, LP.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020040076/rkda-ex102_12.htm) | 10-Q | 001-37383 | 10.2 | 8/13/2020 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.11\* | [<u>Employment Letter for Stanley E. Jacot Jr., Chief Executive Officer</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022009747/rkda-ex10_1.htm) | 10-Q | 001-37383 | 10.1 | 5/12/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.12\* | [<u>Severance and Change in Control Agreement for Stanley E. Jacot, Jr.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022000832/rkda-ex10_1.htm) | 10-Q | 001-37383 | 10.1 | 5/12/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.13\* | [<u>Inducement Option Grant for Stanley E. Jacot, Jr.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022000832/rkda-ex10_2.htm) | 10-Q | 001-37383 | 10.2 | 5/12/2022 |

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<u>**Table of Contents**</u>

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| | | | | | |
|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;10.14\* | [<u>Employment Letter and Severance and Change in Control Agreement for Thomas J. Schaefer.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023000232/rkda-ex10_1.htm) | 8-K/A | 001-37383 | 10.1 | 1/5/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;10.15+ | [<u>Limited Liability Company Operating Agreement for Archipelago Ventures Hawaii, LLC, dated as of August 9, 2019.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019031308/rkda-ex101_7.htm) | 8-K | 001-37383 | 10.1 | 8/9/2019 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.16 | [<u>Securities Purchase Agreement dated as of March 19, 2018, between Arcadia Biosciences, Inc. and each purchaser named in the signature pages thereto</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459018006617/rkda-ex101_9.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 3/23/2018 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.17 | [<u>Form of Registration Rights Agreement</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459018006617/rkda-ex102_7.htm)<u>.</u> | 8-K | 001-37383 | 10.2 | 3/23/2018 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.18 | [<u>Form of Securities Purchase Agreement dated as of June 11, 2018, between Arcadia Biosciences, Inc. and each purchaser named in the signature pages thereto</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459018015580/rkda-ex101_9.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 6/14/2018 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.19 | [<u>Form of Securities Purchase Agreement dated as of June 12, 2019, between Arcadia Biosciences, Inc. and each purchaser named in the signature pages thereto</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019022531/rkda-ex101_6.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 6/14/2019 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.20 | [<u>Form of Securities Purchase Agreement dated as of September 5, 2019, between Arcadia Biosciences, Inc. and each purchaser named in the signature pages thereto</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459019034379/rkda-ex101_7.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 9/9/2019 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.21 | [<u>Form of Letter Agreement, dated as of May 14, 2020</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020025981/rkda-ex101_7.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 5/18/2020 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.22 | [<u>Form of Letter Agreement, dated as of July 6, 2020</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020032052/rkda-ex101_6.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 7/8/2020 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.23 | [<u>Form of Securities Purchase Agreement dated as of December 18, 2020, between Arcadia Biosciences, Inc. and each purchaser named on the signature pages thereto</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020057965/rkda-ex101_19.htm)<u>.</u> | 8-K | 001-37383 | 10.1 | 12/22/2020 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.24 | [<u>Form of Securities Purchase Agreement dated as of January 25, 2021, between Arcadia Biosciences, Inc. and each purchaser named on the signature pages thereto.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459021003281/rkda-ex101_13.htm) | 8-K | 001-37383 | 10.1 | 1/29/2021 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.25 | [<u>Form of Registration Rights Agreement dated as of January 25, 2021, between Arcadia Biosciences, Inc. and each purchaser named on the signature pages thereto.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459021003281/rkda-ex102_12.htm) | 8-K | 001-37383 | 10.2 | 1/29/2021 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.26 | [<u>Form of Securities Purchase Agreement, dated as of August 12, 2022, between Arcadia Biosciences, Inc. and each purchaser named on the signature pages thereto.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017022017516/rkda-ex10_1.htm) | 8-K | 001-37383 | 10.1 | 8/16/2022 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.27 | [<u>Form of Securities Purchase Agreement dated as of March 2, 2023, between Arcadia Biosciences, Inc. and each purchaser named on the signature pages thereto.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex10_1.htm) | 8-K | 001-37383 | 10.1 | 3/3/2023 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.28 | [<u>Form of Registration Rights Agreement dated as of March 2, 2023, between Arcadia</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex10_2.htm) | 8-K | 001-37383 | 10.2 | 3/3/2023 |

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------

<u>**Table of Contents**</u>

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | [<u>Biosciences, Inc. and each purchaser named on the signature pages thereto.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex10_2.htm) |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.29 | [<u>Form of Investment Option Amendment, dated as of March 2, 2023.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017023006005/rkda-ex10_3.htm) | 8-K | 001-37383 | 10.3 | 3/3/2023 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;10.30+ | [<u>Master Transaction Agreement.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459020057965/rkda-ex102_6.htm) | 8-K | 001-37383 | 10.2 | 12/22/2020 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;10.31+ | [<u>Asset Purchase Agreement dated May 17, 2021, by and among Arcadia, Buyer, Seller, Eko, Lief, Zola and Parent.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459021029293/rkda-ex101_15.htm) | 8-K | 001-37383 | 10.1 | 5/21/2021 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;10.32+± | [<u>Asset Purchase Agreement</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024061526/rkda-ex10_1.htm) | 8-K | 001-37383 | 10.1 | 5/17/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;10.33+± | [<u>Asset Purchase Agreement</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024062449/rkda-ex10_1.htm) | 8-K | 001-37383 | 10.1 | 5/20/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.34 | [<u>Promissory Note</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024062449/rkda-ex10_2.htm) | 8-K | 001-37383 | 10.2 | 5/20/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.35 | [<u>Security Agreement</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024062449/rkda-ex10_3.htm) | 8-K | 001-37383 | 10.3 | 5/20/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.36 | [<u>Employment Letter and Severance and Change in Control Agreement for Thomas J. Schaefer</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024100065/rkda-ex10_1.htm) | 8-K<br>| 001-37383<br>| 10.1 | 8/23/2024<br>|  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.37 | [<u>Employment Letter and Severance and Change in Control Agreement for Mark Kawakami</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024100065/rkda-ex10_2.htm) | 8-K<br>| 001-37383<br>| 10.2 | 8/23/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;19.1 | [<u>Insider Trading Disclosure Policy</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017025061044/rkda-ex19_1.htm) | 10-K/A | 001-37383 | 19.1 | 4/30/2025 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;21.1 | [<u>List of subsidiaries of the Registrant.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000156459022003046/rkda-ex211_170.htm) | S-1 | 333-262407 | 21.1 | 1/28/2022 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;23.1 | [<u>Consent of Deloitte & Touche LLP, independent registered public accounting firm.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312526126238/rkda-ex23_1.htm) | 10-K | 001-37383 | 23.1 | 3/26/2026 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;24.1 | [<u>Power of attorney (included in the signature page to 2025 10-K filing).</u>](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001469443/000119312526126238/rkda-20251231.htm#signatures) | 10-K | 001-37383 | 24.1 | 3/26/2026 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.1 | [<u>Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312526126238/rkda-ex31_1.htm) | 10-K<br>| 001-37383<br>| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.1<br>| 3/26/2026<br>|  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.2 | [<u>Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312526126238/rkda-ex31_2.htm) | 10-K<br>| 001-37383<br>| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.2<br>| 3/26/2026<br>|  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.3 | [<u>Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](rkda-ex31_1.htm) |  |  |  |  | X |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;31.4 | [<u>Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](rkda-ex31_2.htm) |  |  |  |  | X |

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<u>**Table of Contents**</u>

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;32.1 | [<u>Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312526126238/rkda-ex32_1.htm) | 10-K | 001-37383 | 32.1 | 3/26/2026 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;32.2 | [<u>Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000119312526126238/rkda-ex32_2.htm) | 10-K | 001-37383 | 32.2 | 3/26/2026 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;97.1 | [<u>Dodd-Frank Clawback Policy.</u>](https://www.sec.gov/Archives/edgar/data/1469443/000095017024038176/rkda-ex97_1.htm) | 10-K | 001-37383 | 97.1 | 3/28/2024 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;101.INS | Inline XBRL Instance Document. |  |  |  |  | X^ |
| &nbsp;&nbsp;&nbsp;&nbsp;101.SCH | Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Document. |  |  |  |  | X^ |
| &nbsp;&nbsp;&nbsp;&nbsp;104 | Cover Page Interactive Data File (embedded within the Inline XBRL Document). |  |  |  |  | X^ |

---

\* Indicates a management contract or compensatory plan or arrangement.

+ Certain information has been excluded from this exhibit because it is not material and would likely cause competitive harm to the registrant if publicly disclosed.

± Annexes, schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The registrant hereby undertakes to furnish supplemental copies of any of the omitted schedules upon request by the SEC.

^ Previously filed on March 26, 2026 as an exhibit to the Original Filing.

------

<u>**Table of Contents**</u>

**SIGNATURES**

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | ARCADIA BIOSCIENCES, INC. | ARCADIA BIOSCIENCES, INC. |
| Date: April 30, 2026 | By: | /s/ THOMAS J. SCHAEFER |
|  |  | **Thomas J. Schaefer** |
|  |  | **President and Chief Executive Officer** <br>**(Principal Executive Officer, Principal**<br>**Accounting and Financial Officer)** |

---

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of the registrant in the capacities and on the dates indicated.

---

| | | |
|:---|:---|:---|
| **Name** | **Title** | **Date** |
| /s/ THOMAS J. SCHAEFER |  |  |
| **Thomas J. Schaefer** | **Director** | April 30, 2026 |
| /s/ \* |  |  |
| **Kevin Comcowich** | **Director** | April 30, 2026 |
| <br>/s/ \* |  |  |
| **Lilian Shackelford Murray** | **Director** | April 30, 2026 |
| /s/ \* |  |  |
| **Gregory D. Waller** | **Director** | April 30, 2026 |
| /s/ \* |  |  |
| **Amy Yoder** | **Director** | April 30, 2026 |

---

\* By: <u>/s/ Thomas J. Schaefer</u>

Thomas J. Schaefer

Attorney-in-fact

------

## Exhibit 31.1

**Exhibit 31.1**

**CERTIFICATION OF CHIEF EXECUTIVE OFFICER**

**PURSUANT TO EXCHANGE ACT RULE 13a-14(a)/15d-14(a)**

**AS ADOPTED PURSUANT TO SECTION 302**

**OF THE SARBANES-OXLEY ACT OF 2002**

I, Thomas J. Schaefer, certify that:

1. I have reviewed this Amendment No. 1 on Form 10-K/A to the Annual Report on Form 10-K of Arcadia Biosciences, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

---

| | | |
|:---|:---|:---|
| Date: April 30, 2026 | By: | /s/ THOMAS J. SCHAEFER |
|  |  | Thomas J. Schaefer<br>President and Chief Executive Officer |
|  |  | (Principal Executive Officer) |

---

------

## Exhibit 31.2

**Exhibit 31.2**

**CERTIFICATION OF CHIEF FINANCIAL OFFICER**

**PURSUANT TO EXCHANGE ACT RULE 13a-14(a)/15d-14(a)**

**AS ADOPTED PURSUANT TO SECTION 302**

**OF THE SARBANES-OXLEY ACT OF 2002**

I, Thomas J. Schaefer, certify that:

1. I have reviewed this Amendment No. 1 on Form 10-K/A to the Annual Report on Form 10-K of Arcadia Biosciences, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

---

| | | |
|:---|:---|:---|
| Date: April 30, 2026 | By: | /s/ THOMAS J. SCHAEFER |
|  |  | Thomas J. Schaefer<br>Interim Chief Financial Officer |
|  |  | (Principal Financial Officer) |

---

------