COLB Columbia Banking System

• $22K bought by 1 insider
• $549K sold by 4 insiders outside a trading plan
• $128K sold by 1 insider under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Aaron James Deer EVP Chief Strategy/Innov Offcr
   Buy
   $22K 886 shares at $25.37 +2.1% to stake
   Traded Jun 30 Filed Jul 2
   ↗
3. Devine David Moore EVP Chief Marketing Officer
   Sale
   $115K 3,872 shares at $29.77 17% of stake
   Traded Jun 8 Filed Jun 10
   ↗
4. Brock Lakely EVP, Chief Accounting Officer
   Sale
   $5,535 211 shares at $26.23 1.9% of stake
   Traded Mar 13 Filed Mar 17
   ↗
5. Kumi Yamamoto Baruffi EVP General Counsel, Corp Sec
   Sale
   $25K 937 shares at $26.23 1.7% of stake
   Traded Mar 13 Filed Mar 17
   ↗
6. Torran B Nixon Senior Executive VP
   Planned sale
   $128K 4,481 shares at $28.55 4.4% of stake
   Traded Mar 3–4 Filed Mar 5
   ↗
7. Steven R Gardner Director
   Sale
   $404K 13,725 shares at $29.43 100% of stake
   Traded Jan 30 Filed Feb 3
   ↗

Also filed in the last 12 months, not counted as buying or selling: 51 share withholdings for taxes, 22 stock grants, 11 option exercises, and 10 sales back to the company.