Form 4 for COLB COLUMBIA BANKING SYSTEM, INC.
Accepted 2025-09-03 00:00:00 ET · period of report 2025-08-31 · accession 0000887343-25-000252 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2025-09-03 | 2025-08-31 | COLB | STUDENMUND JAYNIE M | Dir | A - Grant | $0.00 | +3,843 | 3,843 | New | $0 |
| M | 2025-09-03 | 2025-08-31+ | COLB | STUDENMUND JAYNIE M | Dir | A - Grant | $0.00 | +17.9K | 17.9K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-31 | A | A | 3,843 | $0.00 | 3,843 | I | — | — | (F1) Acquired in connection with Columbia Banking System, Inc.'s ("Columbia") acquisition of Pacific Premier Bancorp, Inc. ("Pacific Premier") on August 31, 2025. Pursuant to the merger agreement, each issued and outstanding share of Pacific Premier common stock held by the reporting person was converted into the right to receive 0.9150 of a share of Columbia common stock. All fractional share holdings were paid in cash. On August 29, 2025, the closing price of Columbia common stock was $26.77, and the closing price of Pacific Premier common stock was $24.49. |
| 2 | Common | Common Stock | 2025-08-31 | A | A | 15,653 | $0.00 | 15,653 | D By Morgan Stanley IRA | — | — | (F1) Acquired in connection with Columbia Banking System, Inc.'s ("Columbia") acquisition of Pacific Premier Bancorp, Inc. ("Pacific Premier") on August 31, 2025. Pursuant to the merger agreement, each issued and outstanding share of Pacific Premier common stock held by the reporting person was converted into the right to receive 0.9150 of a share of Columbia common stock. All fractional share holdings were paid in cash. On August 29, 2025, the closing price of Columbia common stock was $26.77, and the closing price of Pacific Premier common stock was $24.49. |
| 3 | Common | Common Stock | 2025-09-02 | A | A | 2,205 | $0.00 | 17,858 | D | — | — | (F2) Restricted stock awards that vest in their entirety on May 15, 2026. |