Lakely Brock — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Lakely Brock is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $6K.

Profile

Lakely Brock

Lakely Brock serves as the Executive Vice President and Chief Accounting Officer at Columbia Banking System, Inc. In this role, he is responsible for overseeing the company's accounting practices and ensuring compliance with financial regulations.

RoleEVP, Chief Accounting Officer
Notability10/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-04-16COLBCOLUMBIA BANKING SYSTEM, INC.F — Tax withholding / forfeiture396$29.10$12K
2026-03-20COLBCOLUMBIA BANKING SYSTEM, INC.F — Tax withholding / forfeiture211$26.23$6K
2026-03-18COLBCOLUMBIA BANKING SYSTEM, INC.S — Open-market sale211$26.23$6K
2026-03-18COLBCOLUMBIA BANKING SYSTEM, INC.M — Option exercise846$26.23$22K
2026-03-03COLBCOLUMBIA BANKING SYSTEM, INC.F — Tax withholding / forfeiture391$28.45$11K

Frequently Asked Questions

Who is Lakely Brock?

Lakely Brock serves as the Executive Vice President and Chief Accounting Officer at Columbia Banking System, Inc. In this role, he is responsible for overseeing the company's accounting practices and ensuring compliance with financial regulations.…

Has Lakely Brock been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($6K) across all tracked filings.

Where can I see all of Lakely Brock's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Lakely Brock profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.