16,175 Avidbank (AVBH) shares sold by entity linked to director

Rhea-AI Filing Summary

Avidbank Holdings, Inc. director Mike Rosinus reported an indirect open-market sale of 16,175 shares of common stock at $29.05 per share by PTMR Capital Partners LP, an entity he controls. After the sale, he indirectly held 109,739 shares and directly held 16,680 shares of common stock.

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)
03/04/2026

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	03/04/2026		S		16,175	D	$29.05	109,739	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	03/05/2026
	** 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) report for Mike Rosinus?

Avidbank Holdings reported an indirect open-market sale of 16,175 common shares linked to director Mike Rosinus. The sale was executed at $29.05 per share through PTMR Capital Partners LP, an entity over which he has sole voting and dispositive power.

At what price were Avidbank Holdings (AVBH) shares sold in this Form 4?

The reported indirect sale was completed at $29.05 per Avidbank common share. This price applies to the 16,175 shares sold through PTMR Capital Partners LP and reflects the transaction terms disclosed for this specific Form 4 filing.

How many Avidbank (AVBH) shares does Mike Rosinus hold after this transaction?

After the reported sale, Mike Rosinus indirectly held 109,739 Avidbank common shares and directly held 16,680 shares. The indirect holdings are through PTMR Capital Partners LP, where he has sole voting and dispositive power as disclosed in the footnote.

Was the Avidbank (AVBH) insider sale by Mike Rosinus direct or indirect?

The 16,175-share sale was reported as an indirect transaction. The shares are held by PTMR Capital Partners LP, whose general partners are entities solely owned by Mike Rosinus, giving him voting and dispositive power over those shares as described in the footnote.

What does the Form 4 footnote reveal about Mike Rosinus’s ownership in AVBH?

The footnote explains that the sold shares are held by PTMR Capital Partners LP, with general partners controlled by Mike Rosinus. He has sole voting and dispositive power but disclaims beneficial ownership except to the extent of his pecuniary interest in those Avidbank shares.

How many Avidbank (AVBH) insider sales are reported in this Form 4?

This Form 4 reports one indirect sale transaction of 16,175 Avidbank common shares. It also shows a separate direct holding line of 16,680 shares, which reflects ownership after the transaction rather than an additional buy or sell event.