AN2 Therapeutics director granted 20,400 stock options

Readnour Robin Shane reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 02/23/2026 - 04:29 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Readnour Robin Shane reported acquisition or exercise transactions in this Form 4 filing.

AN2 Therapeutics director Robin Shane Readnour reported an equity award in the form of stock options for 20,400 shares. The options were granted as a compensation award and will vest on February 20, 2027, provided Readnour continues to provide service to the company through that date.

Insider Trade Summary

Grant/Award: 20,400 shares

Grant/Award 1 txn

Insider Readnour Robin Shane

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	20,400	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 20,400 contracts (Direct)

Footnotes (1)

1. F1. The option shares shall vest on February 20, 2027, subject to the Reporting Person providing continuous service through such date.

FAQ

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

What insider transaction did AN2 Therapeutics (ANTX) director Robin Shane Readnour report?

Robin Shane Readnour reported receiving a stock option grant for 20,400 shares. The transaction is an acquisition of derivative securities as compensation, recorded as a grant or award, rather than an open-market stock purchase or sale.

When do the 20,400 AN2 Therapeutics (ANTX) stock options granted to Readnour vest?

The 20,400 stock options granted to Robin Shane Readnour vest on February 20, 2027. Vesting is contingent on Readnour continuing to provide service to AN2 Therapeutics through that date, according to the footnote disclosure in the filing.

Is the AN2 Therapeutics (ANTX) Form 4 transaction a buy or a sell of common stock?

The transaction is neither a buy nor a sell of common stock; it is a grant of stock options. These options represent the right to buy shares in the future, subject to vesting conditions and any applicable exercise terms.

How many AN2 Therapeutics (ANTX) options does Readnour hold after this grant?

After the reported grant, Robin Shane Readnour holds 20,400 stock options according to the filing. This total reflects the options acquired in this transaction and is reported as directly owned derivative securities.

What does the transaction code "A" mean in the AN2 Therapeutics (ANTX) insider filing?

The transaction code “A” indicates a grant, award, or other acquisition of securities. In this case, it reflects stock options awarded to Robin Shane Readnour as compensation, not a purchase in the open market.

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

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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^*

Readnour Robin Shane

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

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

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
Stock Option (Right to Buy)	$1.04	02/20/2026		A		20,400		(1)	02/19/2036	Common Stock	20,400	$0	20,400	D

Explanation of Responses:

1. The option shares shall vest on February 20, 2027, subject to the Reporting Person providing continuous service through such date.

	/s/ Lucy Day, Attorney-in-Fact for Robin Shane Readnour	02/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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