Nathan Duda - 02 Sep 2025 Form 4 Insider Report for Mechanics Bancorp (HMST)

Role
EVP & CFO
Signature
/s/ Glenn Shrader, Attorney in fact for Nathan Duda
Issuer symbol
HMST
Transactions as of
02 Sep 2025
Net transactions value
-$71,731
Form type
4
Filing time
05 Jan 2026, 19:48:54 UTC
Next filing
18 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Duda Nathan EVP & CFO 1111 CIVIC DRIVE, SUITE 390, WALNUT CREEK /s/ Glenn Shrader, Attorney in fact for Nathan Duda 05 Jan 2026 0001602088

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MCHB Class A Common Stock Award +14,682 14,682 02 Sep 2025 Direct F1, F2
transaction MCHB Class A Common Stock Award $0 +21,818 +149% $0.000000 36,500 26 Sep 2025 Direct
transaction MCHB Class A Common Stock Tax liability $71,731 -4,903 -13% $14.63 31,597 31 Dec 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MCHB Incentive Units - Deferred Award $0 +104,920 +6935% $0.000000 106,433 02 Sep 2025 Class A Common Stock 104,920 Direct F2, F3, F4, F5
transaction MCHB Incentive Units - Not Deferred (2024) Award $0 +13,117 $0.000000 13,117 02 Sep 2025 Class A Common Stock 13,117 Direct F2, F3, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Received in exchange for 4.45 shares of Mechanics Bank ("MB") original voting common stock and MB restricted stock units in connection with the merger of HomeStreet Bank, a wholly owned subsidiary of Issuer, with and into MB, pursuant to which MB continued as the surviving corporation and as a wholly owned subsidiary of Issuer (the "Merger").
F2 As consideration for the Merger, (i) each share of MB voting common stock converted into the right to receive 3,301.0920 shares of Issuer Class A Common Stock, which, on the effective date of the Merger, had a closing price of $13.87 per share, (ii) each MB restricted stock unit of the Reporting Person converted into restricted stock units of Issuer for the right to receive 3,301.0920 shares of Issuer Class A Common Stock, and (iii) each MB incentive unit of the Reporting Person converted into incentive units of Issuer of the economic equivalent of 3,301.0920 shares of Issuer Class A Common Stock.
F3 Each incentive unit is the economic equivalent of one share of Issuer Class A Common Stock.
F4 The Reporting Person has elected to defer payment on such incentive units until the earlier of (i) the retirement or termination of the Reporting Person, or (ii) a change in control of Issuer.
F5 Includes 1,513 incentive units acquired on December 15, 2025 pursuant to dividend reinvestment.
F6 The incentive units vest in three equal annual installments beginning February 15, 2026.