# EDGAR Filing Document

**Accession Number:** 0001349140
**File Stem:** 0001130144-26-000020
**Filing Date:** 2026-2
**Character Count:** 7563
**Document Hash:** 1ac25d8d2b15a4180dd68baac891066d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001130144-26-000020.hdr.sgml**: 20260210

**ACCESSION NUMBER**: 0001130144-26-000020

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260206

**FILED AS OF DATE**: 20260210

**DATE AS OF CHANGE**: 20260210

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** McPhaill Kevin J
- **CENTRAL INDEX KEY:** 0001349140

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-33063
- **FILM NUMBER:** 26615708

**MAIL ADDRESS:**
- **STREET 1:** 86 N MAIN STREET
- **CITY:** PORTERVILLE
- **STATE:** CA
- **ZIP:** 93257
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SIERRA BANCORP
- **CENTRAL INDEX KEY:** 0001130144
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 330937517
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 86 NORTH MAIN STREET
- **CITY:** PORTERVILLE
- **STATE:** CA
- **ZIP:** 93257
- **BUSINESS PHONE:** 5597824900

**MAIL ADDRESS:**
- **STREET 1:** 86 NORTH MAIN STREET
- **CITY:** PORTERVILLE
- **STATE:** CA
- **ZIP:** 93257

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>McPhaill Kevin J<br><sub>(Last) (First) (Middle)</sub><br>86 N. MAIN STREET<br><sub>(Street)</sub><br>PORTERVILLE, CA 93257<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President/CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SIERRA BANCORP [ BSRR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-02-06 |  | M |  | 249 | A | $28.21 | 20948 | D |  |
| Common Stock | 2026-02-06 |  | M |  | 630 | A | $27.35 | 21578 | D |  |
| Common Stock | 2026-02-06 |  | M |  | 631 | A | $27.30 | 22209 | D |  |
| Common Stock | 2026-02-06 |  | M |  | 3688 | A | $27.11 | 25897 | D |  |
| Common Stock | 2026-02-06 |  | M |  | 2570 | A | $28.21 | 28467 | D |  |
| Common Stock | 2026-02-06 |  | S |  | 7768 | D | $37.9776 | 20699 | D |  |
| Common Stock | 2026-02-09 |  | M |  | 2181 | A | $28.21 | 22880 | D |  |
| Common Stock | 2026-02-09 |  | M |  | 1138 | A | $27.35 | 24018 | D |  |
| Common Stock | 2026-02-09 |  | S |  | 3319 | D | $37.0198 | 20699 | D |  |
| Common Stock | 2026-02-10 |  | M |  | 3232 | A | $27.35 | 23931 | D |  |
| Common Stock | 2026-02-10 |  | M |  | 4369 | A | $27.30 | 28300 | D |  |
| Common Stock | 2026-02-10 |  | M |  | 1312 | A | $27.11 | 29612 | D |  |
| Common Stock | 2026-02-10 |  | S |  | 8913 | D | $36.9423 | 20699 | D |  |
| Common Stock |  |  |  |  |  |  |  | 55961 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Options | $28.21 | 2026-02-06 |  | M |  |  | 249 | 2017-02-16 | 2027-02-16 | Common Stock | 249 | $0 | 4751 | D |  |
| Stock Options | $27.35 | 2026-02-06 |  | M |  |  | 630 | 2019-02-15 | 2028-02-15 | Common Stock | 630 | $0 | 4370 | D |  |
| Stock Options | $27.30 | 2026-02-06 |  | M |  |  | 631 | 2020-02-21 | 2029-02-21 | Common Stock | 631 | $0 | 4369 | D |  |
| Stock Options | $27.11 | 2026-02-06 |  | M |  |  | 3688 | 2021-02-20 | 2030-02-20 | Common Stock | 3688 | $0 | 0 | D |  |
| Stock Options | $28.21 | 2026-02-06 |  | M |  |  | 2570 | 2017-02-16 | 2027-02-16 | Common Stock | 2570 | $0 | 2181 | D |  |
| Stock Options | $28.21 | 2026-02-09 |  | M |  |  | 2181 | 2017-02-16 | 2027-02-16 | Common Stock | 2181 | $0 | 0 | D |  |
| Stock Options | $27.35 | 2026-02-09 |  | M |  |  | 1138 | 2019-02-15 | 2028-02-15 | Common Stock | 1138 | $0 | 3232 | D |  |
| Stock Options | $27.35 | 2026-02-10 |  | M |  |  | 3232 | 2019-02-15 | 2028-02-15 | Common Stock | 3232 | $0 | 0 | D |  |
| Stock Options | $27.30 | 2026-02-10 |  | M |  |  | 4369 | 2020-02-21 | 2029-02-21 | Common Stock | 4369 | $0 | 0 | D |  |
| Stock Options | $27.11 | 2026-02-10 |  | M |  |  | 1312 | 2021-02-20 | 2030-02-20 | Common Stock | 1312 | $0 | 0 | D |  |

---

**Signature:** /s/ Kevin J. McPhaill  
**Date:** 2026-02-10

### Remarks:

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.**