SEC Form 4 · accession 0000939057-26-000149
TIMBERLAND BANCORP INC · TSBK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew Douglas Seath
Officer — Chief Risk Officer/EVP
Period of report
Jul 31, 2026
Accepted (ET)
Aug 3, 2026 · 3:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001046050
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $.01 par value per share | Jul 31, 2026 | M | 800 | $31.80 | A | 3,955 | D | |
| Common Stock, $.01 par value per share | Jul 31, 2026 | M | 800 | $27.14 | A | 4,755 | D | |
| Common Stock, $.01 par value per share | Jul 31, 2026 | M | 800 | $28.23 | A | 5,555 | D | |
| Common Stock, $.01 par value per share | Jul 31, 2026 | M | 600 | $27.40 | A | 6,155 | D | |
| Common Stock, $.01 par value per share | Jul 31, 2026 | S | 3,000 | $44.75 | D | 3,155 | D | |
| Common Stock, $.01 par value per shareF1 | holding | — | — | — | 2,155 | I | By KSOP |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Options (Right to Buy) | $31.80 | Jul 31, 2026 | M | 800 | D | Sep 25, 2023 | Sep 25, 2028 | Common Stock | 800 | 2,800 | D |
| Stock Options (Right to Buy) | $27.14 | Jul 31, 2026 | M | 800 | D | Sep 24, 2024 | Sep 24, 2029 | Common Stock | 800 | 2,000 | D |
| Stock Options (Right to Buy)F2 | $28.23 | Jul 31, 2026 | M | 800 | D | Sep 28, 2026 | Sep 28, 2031 | Common Stock | 800 | 1,200 | D |
| Stock Options (Right to Buy)F2 | $27.40 | Jul 31, 2026 | M | 600 | D | Sep 27, 2027 | Sep 27, 2032 | Common Stock | 600 | 600 | D |
Explanation of responses
- F1Represents shares held in the Timberland Bank Employee Stock Ownership and 401(k) Plan ("KSOP")
- F2Represents date options will be fully vested