AN2 Therapeutics (ANTX) Form 4: Officer sells 765 shares at $1.14

AN2 Therapeutics (ANTX) reported an insider transaction by Chief Strategy Officer Stephen David Prior.

Rhea-AI Filing Summary

AN2 Therapeutics (ANTX) reported an insider transaction by Chief Strategy Officer Stephen David Prior. On 11/04/2025, he sold 765 shares of common stock at $1.14 per share, a sale made to satisfy tax withholding from the vesting of RSUs. Following this transaction, he beneficially owned 65,548 shares.

His equity includes 10,125 RSUs that vest 1/4 annually over four years from November 4, 2024, and 12,031 RSUs that vest on January 1, 2026, each contingent on continued service. The holdings also reflect the purchase of 5,000 shares under the 2022 Employee Stock Purchase Plan on September 30, 2025.

Insider Trade Summary

Net Seller: 765 shares

Net Sell 1 txn

Insider Prior Stephen David

Role Chief Strategy Officer

Sold 765 shs ($872.10)

Type	Security	Shares	Price	Value
Sale	Common Stock	765	$1.14	$872.10

Holdings After Transaction: Common Stock — 65,548 shares (Direct)

Footnotes (3)

1. F1. Represents shares sold pursuant to the terms of the grant to satisfy tax withholding obligations arising from the vesting of Restricted Stock Units ("RSUs") on November 4, 2025.
2. F2. Includes, in accordance with the original terms, (a) 10,125 RSUs which shall vest as follows: 1/4th of the RSUs vest annually over four years from November 4, 2024 and (b) 12,031 RSUs which shall vest on January 1, 2026, in each case, subject to the Reporting Person continuing to provide services to the Company as an employee, consultant or director of the Company through each applicable vesting date.
3. F3. Reflects the adjusted total which includes the purchase of 5,000 shares under the Issuer's 2022 Employee Stock Purchase Plan on September 30, 2025.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ANTX disclose on Form 4?

The Chief Strategy Officer, Stephen David Prior, sold 765 shares on 11/04/2025 at $1.14 per share to cover taxes from RSU vesting.

How many ANTX shares does the reporting person hold after the trade?

He beneficially owned 65,548 shares following the reported transaction.

Why were the ANTX shares sold in this filing?

The 765 shares were sold to satisfy tax withholding obligations tied to RSU vesting on November 4, 2025.

What are the RSU vesting terms disclosed for ANTX (ANTX)?

10,125 RSUs vest 1/4 annually from Nov 4, 2024; 12,031 RSUs vest on Jan 1, 2026, subject to continued service.

Were there recent share purchases by the insider under ANTX’s ESPP?

Yes. The holdings reflect the purchase of 5,000 shares under the 2022 ESPP on Sep 30, 2025.

What is the insider’s role at AN2 Therapeutics (ANTX)?

He is an Officer, serving as Chief Strategy Officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/06/2025 - 06:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Prior Stephen David

(Last) (First) (Middle)

C/O AN2 THERAPEUTICS, INC.

1300 EL CAMINO REAL, SUITE 100

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AN2 Therapeutics, Inc. [ ANTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/04/2025		S		765(1)	D	$1.14	65,548(2)(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares sold pursuant to the terms of the grant to satisfy tax withholding obligations arising from the vesting of Restricted Stock Units ("RSUs") on November 4, 2025.

2. Includes, in accordance with the original terms, (a) 10,125 RSUs which shall vest as follows: 1/4th of the RSUs vest annually over four years from November 4, 2024 and (b) 12,031 RSUs which shall vest on January 1, 2026, in each case, subject to the Reporting Person continuing to provide services to the Company as an employee, consultant or director of the Company through each applicable vesting date.

3. Reflects the adjusted total which includes the purchase of 5,000 shares under the Issuer's 2022 Employee Stock Purchase Plan on September 30, 2025.

	/s/ Lucy Day, Attorney-in-Fact for Stephen David Prior	11/06/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.