Avidbank (AVBH) director-linked fund sells 19,411 shares

Rhea-AI Filing Summary

Avidbank Holdings, Inc. reported an insider-related sale where PTMR Capital Partners LP, an entity associated with director Mike Rosinus, sold 19,411 shares of common stock on February 25, 2026 at $29.90 per share. After this sale, 132,847 shares are held indirectly through PTMR Capital, while Rosinus directly holds 16,680 shares.

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

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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^*

ROSINUS MIKE

(Last) (First) (Middle)

1732 N 1ST STREET

6TH FLOOR

(Street)

SAN JOSE CA 95112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Avidbank Holdings, Inc. [ AVBH ]

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)
02/25/2026

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
Common Stock	02/25/2026		S		19,411	D	$29.9	132,847	I	See Footnote 1(1)
Common Stock								16,680	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. 1. Such shares are held directly by PTMR Capital Partners LP ("PTMR Capital"), of which the general partners are PTMR GP, LLC ("PTMR GP") and TRF Partners LLC ("TRF"). Reporting Person is the sole member of each of PTMR GP and TRF, and has sole voting and dispositive power over shares held by PTMR Capital. Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest, if any, therein.

Remarks:

	/s/Shawn Zeagler, Attorney-in-fact for Michael F. Rosinus	02/27/2026
	** 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.
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FAQ

What insider transaction did Avidbank Holdings (AVBH) disclose for Mike Rosinus?

Avidbank disclosed that PTMR Capital Partners LP, an entity associated with director Mike Rosinus, sold 19,411 common shares at $29.90 on February 25, 2026. Following this sale, 132,847 shares are held indirectly and 16,680 shares are held directly.

How many Avidbank (AVBH) shares were sold in the latest insider filing?

The filing reports a sale of 19,411 shares of Avidbank common stock at a price of $29.90 per share. These shares were sold by PTMR Capital Partners LP, an investment entity associated with director Mike Rosinus through its general partners.

What are Mike Rosinus’s Avidbank (AVBH) share holdings after the reported sale?

After the reported transactions, 132,847 Avidbank common shares are held indirectly through PTMR Capital Partners LP, and 16,680 shares are held directly. The filing notes Rosinus is associated with PTMR’s general partners and disclaims beneficial ownership beyond any pecuniary interest.

Who actually holds the Avidbank (AVBH) shares sold in the Form 4 for Mike Rosinus?

The shares are held directly by PTMR Capital Partners LP. Its general partners are PTMR GP, LLC and TRF Partners LLC, whose sole member is Mike Rosinus. He has voting and dispositive power over those shares but disclaims beneficial ownership except for any pecuniary interest.

Was the Avidbank (AVBH) insider transaction a buy or a sell?

The transaction was a sale of Avidbank common stock. PTMR Capital Partners LP, an entity linked to director Mike Rosinus, executed an open-market sale of 19,411 shares at $29.90 per share on February 25, 2026, according to the filing data.