# EDGAR Filing Document

**Accession Number:** 0001844862
**File Stem:** 0001104659-26-065141
**Filing Date:** 2026-5
**Character Count:** 5996
**Document Hash:** 95184bc41b2a3c42fddda8d30e16f2af
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-065141.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0001104659-26-065141

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260520

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Solid Power, Inc.
- **CENTRAL INDEX KEY:** 0001844862
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 861888095
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40284
- **FILM NUMBER:** 261008353

**BUSINESS ADDRESS:**
- **STREET 1:** 486 S. PIERCE AVE., SUITE E
- **CITY:** LOUISVILLE
- **STATE:** CO
- **ZIP:** 80027
- **BUSINESS PHONE:** (303) 219-0720

**MAIL ADDRESS:**
- **STREET 1:** 486 S. PIERCE AVE., SUITE E
- **CITY:** LOUISVILLE
- **STATE:** CO
- **ZIP:** 80027

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Decarbonization Plus Acquisition Corp III
- **DATE OF NAME CHANGE:** 20210208

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d)**

**of the Securities Exchange Act of 1934**

**Date of report (Date of earliest event reported): May 20, 2026** 

**Solid Power, Inc.**

**(Exact Name of Registrant as Specified in Charter)**

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| | | |
|:---|:---|:---|
| **Delaware** | **001-40284** | **86-1888095** |
| **(State or other jurisdiction<br> of incorporation)** | **(Commission<br> File Number)** | **(I.R.S. Employer<br> Identification Number)** |

---

---

| | |
|:---|:---|
| **486 S. Pierce Avenue, Suite E**<br> **Louisville, Colorado** | **80027** |
| **(Address of principal executive offices)** | **(Zip code)** |

---

**(303) 219-0720**

**(Registrant's telephone number, including area code)**

**Not Applicable**

**(Former name or former address, if changed since last report)**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:

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| |
|:---|
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

---

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

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading<br> Symbol(s)** | **Name of each exchange<br> on which registered** |
| **Common stock, par value $0.0001 per share** | **SLDP** | **The Nasdaq Stock Market LLC** |
| **Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50** | **SLDPW** | **The Nasdaq Stock Market LLC** |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2).

Emerging growth company ◻

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. ◻

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| | |
|:---|:---|
| **Item 5.07** | **Submission of Matters to a Vote of Security Holders.** |

---

On May 20, 2026, Solid Power, Inc. (the "Company") held its 2026 annual meeting of stockholders. Of the 224,519,421 shares of common stock entitled to vote at the annual meeting, 116,367,028 were voted.

At the annual meeting, the stockholders elected the three individuals nominated to be Class II directors, ratified the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026, and approved, on a non-binding advisory basis, the compensation of the Company's named executive officers.

Election results for the directors nominated at the annual meeting were as follows:

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| **Nominee** | **For** | **For** | **Withhold** | **Withhold** | **Broker Non-Votes** | **Broker Non-Votes** |
| Steven Goldberg |  | 70213123 |  | 9789746 |  | 36364159 |
| Aleksandra Miziolek |  | 67318549 |  | 12684320 |  | 36364159 |
| MaryAnn Wright |  | 76743358 |  | 3259511 |  | 36364159 |

---

Election results for the ratification of the appointment of Deloitte & Touche LLP as the independent registered accounting firm for the fiscal year ending December 31, 2026 were as follows:

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| | | | | |
|:---|:---|:---|:---|:---|
| **For** | **Against** | **Against** | **Abstain** | **Abstain** |
| 114605818 |  | 1273733 |  | 487477 |

---

Election results for the advisory vote on the compensation of the Company's named executive officers were as follows:

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| **For** | **Against** | **Against** | **Abstain** | **Abstain** | **Broker Non-Votes** | **Broker Non-Votes** |
| 67276653 |  | 11948994 |  | 777222 |  | 36364159 |

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**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

Dated: May 21, 2026

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| | |
|:---|:---|
| SOLID POWER, INC. | SOLID POWER, INC. |
| By: | /s/ John Van Scoter |
|  | Name: John Van Scoter |
|  | Title: President and Chief Executive Officer |

---