# EDGAR Filing Document

**Accession Number:** 0001610618
**File Stem:** 0001213900-25-075186
**Filing Date:** 2025-8
**Character Count:** 15878
**Document Hash:** 8d404049c04fe110d70cbd41705db85b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-075186.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0001213900-25-075186

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Cidara Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001610618
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 461537286
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88806
- **FILM NUMBER:** 251208606

**BUSINESS ADDRESS:**
- **STREET 1:** 6310 NANCY RIDGE DRIVE
- **STREET 2:** SUITE 101
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 858-752-6170

**MAIL ADDRESS:**
- **STREET 1:** 6310 NANCY RIDGE DRIVE
- **STREET 2:** SUITE 101
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** K2 THERAPEUTICS, INC.
- **DATE OF NAME CHANGE:** 20140611
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Vivo Opportunity Fund Holdings, L.P.
- **CENTRAL INDEX KEY:** 0001930214

**ORGANIZATION NAME:**
- **EIN:** 873802421
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 192 LYTTON AVENUE
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301
- **BUSINESS PHONE:** 6506880818

**MAIL ADDRESS:**
- **STREET 1:** 192 LYTTON AVENUE
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94301

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 2)**

**Issuer:** Cidara Therapeutics, Inc.

**Title of Class of Securities:** Common Stock, $0.0001 par value

**CUSIP Number:** 171757206

**Date of Event Which Requires Filing of this Statement:** 06/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Vivo Opportunity Fund Holdings, L.P. | Names of Reporting Persons<br>Vivo Opportunity Fund Holdings, L.P. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>1175796.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>1175796.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1175796.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1175796.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.6% | Percent of Class Represented by Amount in Row (9)<br>4.6% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** The number represents shares of common stock, $0.0001 par value (the "Common Stock") of Cidara Therapeutics, Inc. (the "Issuer") held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P.

Based on 25,358,051 shares of Common Stock issued and outstanding as of August 6, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission (the "SEC") on August 7, 2025.

---

| 1. | Names of Reporting Persons<br>Vivo Opportunity, LLC | Names of Reporting Persons<br>Vivo Opportunity, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>1175796.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>1175796.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1175796.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1175796.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.6% | Percent of Class Represented by Amount in Row (9)<br>4.6% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P.

Based on 25,358,051 shares of Common Stock issued and outstanding as of August 6, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the SEC on August 7, 2025.

---

| 1. | Names of Reporting Persons<br>Vivo Opportunity Cayman Fund, L.P. | Names of Reporting Persons<br>Vivo Opportunity Cayman Fund, L.P. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>E9 | Citizenship or Place of Organization<br>E9 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>135629.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>135629.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>135629.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>135629.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0.5% | Percent of Class Represented by Amount in Row (9)<br>0.5% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P.

Based on 25,358,051 shares of Common Stock issued and outstanding as of August 6, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the SEC on August 7, 2025.

---

| 1. | Names of Reporting Persons<br>Vivo Opportunity Cayman, LLC | Names of Reporting Persons<br>Vivo Opportunity Cayman, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>E9 | Citizenship or Place of Organization<br>E9 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>135629.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>135629.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>135629.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>135629.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0.5% | Percent of Class Represented by Amount in Row (9)<br>0.5% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** The number represents shares of Common Stock of the Issuer held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P.

Based on 25,358,051 shares of Common Stock issued and outstanding as of August 6, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the SEC on August 7, 2025.

---

**Item 1(a). Name of Issuer:**
Cidara Therapeutics, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
6310 Nancy Ridge Drive, Suite 101, San Diego, CA 92121

**Item 2(a). Name of Person Filing:**
Vivo Opportunity Fund Holdings, L.P. and its General Partner Vivo Opportunity, LLC

Vivo Opportunity Cayman Fund, L.P. and its General Partner Vivo Opportunity Cayman, LLC

**Item 2(b). Address of Principal Business Office:**
192 Lytton Avenue, Palo Alto, CA 94301

**Item 2(c). Citizenship:**
Vivo Opportunity Fund Holdings, L.P. is a Delaware limited partnership.

Vivo Opportunity, LLC is a Delaware limited liability company.

Vivo Opportunity Cayman Fund, L.P. is a Cayman Islands limited partnership.

Vivo Opportunity Cayman, LLC is a Cayman Islands limited liability company.

**Item 2(d). Title of Class of Securities:**
Common Stock, $0.0001 par value

**Item 2(e). CUSIP Number:**
171757206

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Vivo Opportunity, LLC beneficially owns 1,175,796 shares of Common Stock.  The securities are held of record by Vivo Opportunity Fund Holdings, L.P.  Vivo Opportunity, LLC is the general partner of Vivo Opportunity Fund Holdings, L.P.
Vivo Opportunity Cayman, LLC beneficially owns 135,629 shares of Common Stock.  The securities are held of record by Vivo Opportunity Cayman Fund, L.P. Vivo Opportunity Cayman, LLC is the general partner of Vivo Opportunity Cayman Fund, L.P.

**(b) Percent of class:**

Vivo Opportunity Fund Holdings, L.P.: 4.6%
Vivo Opportunity, LLC: 4.6%
Vivo Opportunity Cayman Fund, L.P.: 0.5%
Vivo Opportunity Cayman, LLC.: 0.5%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

Vivo Opportunity Fund Holdings, L.P.: 1,175,796 shares
Vivo Opportunity, LLC: 1,175,796 shares
Vivo Opportunity Cayman Fund, L.P.: 135,629 shares
Vivo Opportunity Cayman, LLC: 135,629 shares

**(ii) Shared power to vote or to direct the vote:**

0

**(iii) Sole power to dispose or to direct the disposition of:**

Vivo Opportunity Fund Holdings, L.P.: 1,175,796 shares
Vivo Opportunity, LLC: 1,175,796 shares
Vivo Opportunity Cayman Fund, L.P.: 135,629 shares
Vivo Opportunity Cayman, LLC: 135,629 shares

**(iv) Shared power to dispose or to direct the disposition of:**

0

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Vivo Opportunity Fund Holdings, L.P.**

**Date:** 08/12/2025

**By:** /s/ Kevin Dai

**Name & Title:** Kevin Dai/Managing Member

**Vivo Opportunity, LLC**

**Date:** 08/12/2025

**By:** /s/ Kevin Dai

**Name & Title:** Kevin Dai/Managing Member

**Vivo Opportunity Cayman Fund, L.P.**

**Date:** 08/12/2025

**By:** /s/ Kevin Dai

**Name & Title:** Kevin Dai/Managing Member

**Vivo Opportunity Cayman, LLC**

**Date:** 08/12/2025

**By:** /s/ Kevin Dai

**Name & Title:** Kevin Dai/Managing Member