Entity linked to Avidbank (AVBH) director sells 7,953 shares

Rhea-AI Filing Summary

Avidbank Holdings, Inc. director Mike Rosinus reported an open-market sale of common stock through an investment entity he controls. On this date, PTMR Capital Partners LP, an entity for which he has sole voting and dispositive power, sold 7,953 shares of Avidbank common stock at $27.49 per share.

After the transaction, the filing shows 56,962 shares held indirectly through the entity and an additional 16,680 shares held directly in his name, indicating a remaining ownership position substantially larger than the shares sold in this transaction.

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)
03/13/2026

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	03/13/2026		S		7,953	D	$27.49	56,962	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	03/16/2026
	** 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 (AVBH) report for Mike Rosinus?

Avidbank reported that director Mike Rosinus, through an affiliated entity, executed an open-market sale of common stock. The filing details the trade size, sale price, and his remaining direct and indirect share holdings after the transaction.

How many Avidbank (AVBH) shares were sold in the latest Form 4?

The Form 4 shows a sale of 7,953 shares of Avidbank common stock. These shares were sold in an open-market transaction by PTMR Capital Partners LP, an entity associated with director Mike Rosinus, on the reported transaction date.

At what price were Avidbank (AVBH) shares sold in the reported insider trade?

The reported transaction price was $27.49 per share for the 7,953 Avidbank common shares sold. This reflects the per-share value realized in the open-market sale disclosed in the Form 4 filing for director Mike Rosinus.

How many Avidbank (AVBH) shares does Mike Rosinus hold after the sale?

Following the sale, the filing shows 56,962 shares held indirectly through PTMR Capital Partners LP and 16,680 shares held directly. Together, these positions indicate a significant continuing ownership stake after the disclosed transaction.

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

The sold shares are held by PTMR Capital Partners LP, whose general partners are PTMR GP, LLC and TRF Partners LLC. Mike Rosinus is the sole member of both entities and has sole voting and dispositive power over PTMR Capital’s Avidbank shares.

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

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