[Form 4] SIERRA BANCORP Insider Trading Activity

Rhea-AI Filing Summary

Sierra Bancorp (BSRR) executive Christopher G. Treece, EVP and Chief Financial Officer, reported a Form 4 insider transaction. On November 18, 2025, he disposed of 1,918 shares of Sierra Bancorp common stock at $28.59 per share, and held 33,860 shares directly after the transaction.

The filing explains that performance awards granted on November 18, 2022 included 3,517 target shares and 1,759 excess shares for exceeding performance goals. Of these excess shares, 844 shares vested on November 18, 2025, while the remaining 915 excess shares were not earned because performance criteria were not met and were forfeited on that date.

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^*

Treece Christopher G

(Last) (First) (Middle)

86 NORTH MAIN STREET

(Street)

PORTERVILLE CA 93257

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SIERRA BANCORP [ BSRR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP/Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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	11/18/2025		F		1,918(1)	D	$28.59	33,860	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. The performance awards issued on November 18, 2022, included 3,517 target shares and 1,759 excess shares for exceeding performance targets. The performance awards vesting on November 18, 2025, included 844 shares of the 1,759 total excess performance shares granted. The remaining 915 shares of excess performance awards granted were not earned and did not vest because the remaining performance criteria were not achieved and thus, those 915 shares were forfeited on November 18, 2025.

	/s/ Christopher G. Treece	11/20/2025
	** 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 Sierra Bancorp (BSRR) report for its CFO?

Sierra Bancorp reported that Christopher G. Treece, its EVP/Chief Financial Officer, disposed of 1,918 shares of common stock on November 18, 2025 at a price of $28.59 per share.

How many Sierra Bancorp (BSRR) shares does the reporting person own after this Form 4 transaction?

After the reported transaction, Christopher G. Treece beneficially owned 33,860 shares of Sierra Bancorp common stock in direct ownership.

What performance awards were granted to the Sierra Bancorp (BSRR) CFO in November 2022?

The performance awards issued on November 18, 2022 included 3,517 target shares and 1,759 excess shares that were tied to exceeding performance targets.

How many excess performance shares vested for the Sierra Bancorp (BSRR) CFO in November 2025?

On November 18, 2025, 844 of the 1,759 excess performance shares vested for the reporting person, according to the explanation of responses.

How many excess performance shares were forfeited under the Sierra Bancorp (BSRR) award?

The filing states that 915 excess performance shares were not earned because remaining performance criteria were not achieved and were forfeited on November 18, 2025.

What is the role of the reporting person in Sierra Bancorp (BSRR)?

The reporting person, Christopher G. Treece, is identified as an Officer of Sierra Bancorp, serving as EVP/Chief Financial Officer.