Deer Aaron James 4
4 · COLUMBIA BANKING SYSTEM, INC. · Filed Jul 2, 2026
Research Summary
AI-generated summary of this filing
COLB EVP Aaron Deer Buys 886 Shares via ESPP
What Happened
- Aaron James Deer, EVP & Chief Strategy & Innovation Officer of Columbia Banking System (COLB), purchased 886 shares on 2026-06-30 at $25.37 per share, for a total of approximately $22,478. The transaction is reported as a purchase (code P) and is footnoted as an ESPP purchase.
Key Details
- Transaction date and price: 2026-06-30 at $25.37 per share.
- Shares acquired: 886; total transaction value ≈ $22,478.
- Method/footnote: F1 — Employee Stock Purchase Plan (ESPP) purchase.
- Shares owned after transaction: not disclosed in the filing.
- Filing: Form 4 filed 2026-07-02; appears to be timely for a 2026-06-30 transaction (no late-filing flag reported).
Context
- ESPP purchases are routine employee purchases under a company plan (often at a discount or via payroll deductions) and are different from discretionary open-market buys. While purchases can signal insider confidence, ESPP transactions are typically part of standard employee participation rather than ad hoc market timing.
Insider Transaction Report
Form 4
Deer Aaron James
EVP Chief Strategy/Innov Offcr
Transactions
- Purchase
Common Stock
[F1]2026-06-30$25.37/sh+886$22,478→ 42,761 total
Footnotes (1)
- [F1]ESPP Purchase
Signature
/s/ Andrea M. Newburn, Attorney-in-fact|2026-07-02