Director-linked entity trims Avidbank (AVBH) stake with 3,434-share sale

Rhea-AI Filing Summary

Avidbank Holdings, Inc. director Mike Rosinus reported that an entity associated with him, PTMR Capital Partners LP, sold 3,434 shares of common stock in an open-market transaction at $30.00 per share. After this sale, 129,413 shares are held indirectly and 16,680 shares are held directly.

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

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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)
02/26/2026

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	02/26/2026		S		3,434	D	$30	129,413	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.
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.

FAQ

What insider transaction did Avidbank Holdings (AVBH) disclose in this Form 4?

Avidbank Holdings disclosed that an entity associated with director Mike Rosinus, PTMR Capital Partners LP, sold 3,434 shares of common stock in an open-market transaction at $30.00 per share, as reported in a Form 4 insider trading filing.

How many Avidbank Holdings (AVBH) shares were sold and at what price?

The filing shows a sale of 3,434 Avidbank Holdings common shares at a price of $30.00 per share. This was reported as an open-market or private transaction under transaction code S by an entity associated with director Mike Rosinus.

How many Avidbank Holdings (AVBH) shares does Mike Rosinus report owning after the sale?

After the reported transaction, the Form 4 states that 129,413 Avidbank Holdings common shares are held indirectly and 16,680 shares are held directly by director Mike Rosinus or related entities, reflecting his reported ownership positions following the sale.

Who actually holds the Avidbank Holdings (AVBH) shares sold in this Form 4?

The shares are held directly by PTMR Capital Partners LP, whose general partners are PTMR GP, LLC and TRF Partners LLC. Mike Rosinus is the sole member of each and has voting and dispositive power over PTMR Capital’s Avidbank Holdings shares, subject to his pecuniary interest.

Does Mike Rosinus disclaim any beneficial ownership of Avidbank Holdings (AVBH) shares?

Yes. The footnote explains that Mike Rosinus disclaims beneficial ownership of Avidbank Holdings shares held by PTMR Capital Partners LP, except to the extent of his pecuniary interest, if any, in those securities, even though he has voting and dispositive power over them.

What does the Form 4 say about net insider trading activity in Avidbank Holdings (AVBH)?

The summarized Form 4 data shows one reported sale totaling 3,434 shares and no reported purchases. This results in a net-sell direction of 3,434 Avidbank Holdings common shares for the reporting period covered by this specific insider filing.