Insider · CIK 0001740374
Brock Lakely
Files at COLB (COLUMBIA BANKING SYSTEM, INC.). First filing Mar 17, 2026, latest Mar 17, 2026.
In brief
Brock Lakely files SEC Form 4 as officer at COLB (COLUMBIA BANKING SYSTEM, INC.). Since Mar 17, 2026, Brock Lakely has reported 0 open-market buys worth $0 and 1 open-market sell worth $5,535, the latest filed on Mar 17, 2026.
A track record needs three past buys with six months of prices behind them; Brock Lakely has 0, so none is measured yet.
The newest scored trade: sold $5,535 of COLB on Mar 13, 2026, filed Mar 17, 2026, scored 15 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $5,535.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
COLB: COLUMBIA BANKING SYSTEM, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 15Weak | COLUMBIA BANKING SYSTEM, INC. | $5,535 211 shares | -2% | +34% from low-18% from high |
Transactions
Every row this insider has filed, 7 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 15, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | FTax withholding Common Stock | -396 | $29.10 | $12k | 10,708 | Apr 16, 2026 |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | FTax withholding Common Stock | -211 | $26.23 | $5,535 | 11,104 | Mar 20, 2026 |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | MOption exercise Common Stock | +846 | $26.23 | $22k | 11,315 | Mar 17, 2026 |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | SOpen-market sale Common Stock | -211 | $26.23 | $5,535 | 11,104 | Mar 17, 2026 |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | MOption exercise Restricted Stock Unitderivative | -846 | $0.00 | $0 | 9,810 | Mar 17, 2026 |
| Mar 1, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | FTax withholding Common Stock | -391 | $28.45 | $11k | 10,469 | Mar 2, 2026 |
| Feb 18, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | AGrant or award Restricted Stock Unitderivative | +5,601 | $31.24 | $175k | 10,656 | Feb 20, 2026 |
Questions about Brock Lakely
Answered from the filings on this page, as of the latest one.
Is Brock Lakely buying or selling?
In the last 12 months Brock Lakely reported 0 open-market buys worth $0 and 1 open-market sell worth $5,535 on SEC Form 4; the latest was sold $5,535 of COLB on Mar 13, 2026. Grants, option exercises and tax withholding are not counted.
How did Brock Lakely's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Brock Lakely has 0.
Where does Brock Lakely file Form 4?
Brock Lakely has filed Form 4 at COLB (COLUMBIA BANKING SYSTEM, INC.) as EVP, Chief Accounting Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.