| 2026-08-07 | 10-Q | Form 10-Q for the quarter ended Jun 30 |
| 2026-07-23 | Press release | Heritage Financial Announces Second Quarter 2026 Results and Declares Regular Cash Dividend of $0.25 Per Share |
| 2026-07-23 | Press release | Heritage Financial Announces Second Quarter 2026 Results and Declares Regular Cash Dividend of $0.25 Per Share |
| 2026-07-23 | 8-K | Form 8-K, Item 2.02 results |
| 2026-07-23 | Transcript | Q2 FY26 earnings call transcript |
| 2026-07-22 | Deck | Investor presentation · Q2 2026 · Jul 2026 |
| 2026-06-25 | Press release | Heritage Financial Announces Earnings Release Date and Conference Call · Q2 2026 |
| 2026-05-08 | Quarterly report | FORM 10-Q · Q1 2026 |
| 2026-05-08 | 8-K | Form 8-K, Item 5.07 |
| 2026-05-08 | 10-Q | Form 10-Q for the quarter ended Mar 31 |
| 2026-04-23 | Press release | Download , Heritage Financial Announces First Quarter 2026 Results and Declares Regular Cash Dividend of $0.24 Per Share |
| 2026-04-23 | 8-K | Form 8-K, Item 2.02 results |
| 2026-04-22 | Deck | Investor presentation · Q1 2026 · Apr 2026 |
| 2026-04-10 | 8-K | Form 8-K/A, Item 9.01 |
| Transcript | Q1 FY26 earnings call transcript |
| 2026-03-25 | Press release | Heritage Financial Announces Earnings Release Date and Conference Call · Q1 2026 |
| 2026-03-23 | 8-K | Form 8-K, Item 8.01 |
| 2026-03-20 | Proxy | Definitive proxy statement |
| 2026-02-27 | 10-K | Annual report on Form 10-K, FY25 |
| 2026-02-02 | Press release | Heritage Financial Corporation Announces Completion of Acquisition of Olympic Bancorp, Inc |
| 2026-02-02 | 8-K | Form 8-K, Item 2.01 |
| 2026-01-23 | Transcript | Q4 FY25 earnings call transcript |
| 2026-01-22 | Press release | Download , Heritage Financial Announces Fourth Quarter and Annual 2025 Results |
| 2026-01-22 | Press release | Heritage Financial Announces Fourth Quarter and Annual 2025 Results |
| 2026-01-22 | 8-K | Form 8-K, Item 5.07 |
| 2026-01-22 | 8-K | Form 8-K, Item 2.02 results |
| 2026-01-21 | Deck | Earnings presentation · Q4 2025 · Jan 2026 |
| 2026-01-16 | Press release | Heritage Financial Corporation Declares Quarterly Dividend |
| 2026-01-16 | 8-K | Form 8-K, Item 8.01 |
| 2026-01-06 | Press release | Heritage Financial Announces Earnings Release Date and Conference Call · Q4 2025 |
| 2025-12-30 | 8-K | Form 8-K, Item 8.01 |
| 2025-12-29 | Press release | Heritage Financial Corporation Receives Regulatory Approval to Acquire Olympic Bancorp, Inc |
| 2025-12-19 | Press release | Heritage Financial Corporation Appoints Scott T. Allan to its Board of Directors |
| 2025-12-19 | 8-K | Form 8-K, Item 5.02 |
| 2025-11-07 | 10-Q | Form 10-Q for the quarter ended Sep 30 |
| 2025-10-23 | 8-K | Form 8-K, Item 2.02 results |
| 2025-10-02 | Press release | Heritage Financial Announces Earnings Release Date and Conference Call · Q3 2025 |
| 2025-09-30 | Quarterly report | FORM 10-Q · Q3 2025 |
| 2025-09-26 | 8-K | Form 8-K, Item 1.01 |
| 2025-09-25 | Press release | Heritage Financial Corporation to Acquire Olympic Bancorp, Inc |