Director-linked entity trims Avidbank (AVBH) stake with 1,143-share sale

Rhea-AI Filing Summary

Avidbank Holdings director-associated entity sells small share block

An entity affiliated with director Mike Rosinus, PTMR Capital Partners LP, sold 1,143 shares of Avidbank Holdings common stock on February 11, 2026 at $30.45 per share in an open-market transaction. After the sale, PTMR Capital Partners LP held 192,169 shares indirectly, while Rosinus also directly held 16,680 shares. This Form 4 amendment was filed to correct the share amount previously reported for that date.

Insider Trade Summary

Net Seller: 1,143 shares ($34,804)

Net Sell 1 txn

Insider ROSINUS MIKE

Role Director

Sold 1,143 shs ($35K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,143	$30.45	$35K

Holdings After Transaction: Common Stock — 192,169 shares (Indirect, See Footnote 1)

Footnotes (1)

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. Form 4 Amendment was filed to correct the share amount in the previously reported transaction on 02/11/26. As of the reporting date, the Reporting Person directly holds 16,680 shares of common stock in the Issuer.

Form 4 Insider Transactions: What Each Field Means →

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^*

ROSINUS MIKE

(Last) (First) (Middle)

1732 N 1ST STREET

6TH FLOOR

(Street)

SAN JOSE CALIFORNIA 95112

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
02/13/2026

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	02/11/2026		S		1,143	D	$30.45	192,169	I	See Footnote 1(1)(2)(3)

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.

2. Form 4 Amendment was filed to correct the share amount in the previously reported transaction on 02/11/26.

3. As of the reporting date, the Reporting Person directly holds 16,680 shares of common stock in the Issuer.

Remarks:

	/s/Shawn Zeagler, Attorney-in-fact for Michael F. Rosinus	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

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

Avidbank Holdings reported that an entity affiliated with director Mike Rosinus, PTMR Capital Partners LP, sold 1,143 shares of common stock on February 11, 2026 at $30.45 per share in an open-market transaction.

Who actually holds the Avidbank (AVBH) shares involved in Mike Rosinus’s Form 4/A?

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 both entities and has sole voting and dispositive power over PTMR Capital’s Avidbank shares.

How many Avidbank (AVBH) shares did the affiliated entity hold after the Rosinus-related sale?

After the 1,143‑share sale on February 11, 2026, PTMR Capital Partners LP held 192,169 shares of Avidbank common stock indirectly. This figure reflects the holding following the reported open‑market transaction in the amended Form 4 filing.

Does Mike Rosinus directly own any Avidbank Holdings (AVBH) shares?

Yes. A footnote states that as of the reporting date, Mike Rosinus directly holds 16,680 shares of Avidbank common stock, in addition to his indirect interest through PTMR Capital Partners LP, where he has sole voting and dispositive power over the shares.

Why was this Avidbank (AVBH) Form 4/A filed as an amendment?

The Form 4/A is an amendment because it corrects the share amount previously reported for the February 11, 2026 transaction. A footnote explains the amendment was filed specifically to adjust the originally disclosed number of shares in that sale.

Does Mike Rosinus claim full beneficial ownership of the PTMR Capital Avidbank (AVBH) shares?

No. The filing states that Rosinus disclaims beneficial ownership of the PTMR Capital shares, except to the extent of his pecuniary interest, if any. This standard disclaimer limits his reported economic interest despite his voting and dispositive control.