LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
COLBCIK 0000887343

COLUMBIA BANKING SYSTEM, INC.

129 transactions by 24 insiders, from November 5, 2025 to September 4, 2026.

Transactions
12924 insiders
Bought · P
$22Kopen market
Sold · S
$677Kopen market
Net
−$655Knet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Clint SteinCEO14———
Torran B. NixonVP122/12—$128K
Devine David MooreChief12——$115K
Aaron James DeerChief11—$22K—
Andrew H. OgnallChief11———
Drew K. AndersonChief10———
Frank NamdarChief10———
Christopher MerrywellVP10———
Kumi Yamamoto BaruffiGC10——$25K
Brock LakelyCAO6——$6K
Luis MachucaDir6———
Judi GiemEVP4———
Steven R. GardnerDir2——$404K
Ivan A. SedaCFO1———
Jaynie M. StudenmundDir1———
M. Christian MitchellDir1———
Hilliard C. Terry IIIDir1———
Mark A. FinkelsteinDir1———
John F. SchultzDir1———
Elizabeth Whitehead SeatonDir1———
Eric ForrestDir1———
Randal Lee LundDir1———
Anddria VarnadoDir1———
Simone LagomarsinoDir1———

All transactions

129 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Steven R. GardnerDirSep 4A2,577$0.00—
Simone LagomarsinoDirSep 2A2,670$0.00—
Judi GiemEVPDERIVAug 14M2,393——
Judi GiemEVPAug 14F643$32.69$21K
Judi GiemEVPAug 14M2,393$32.69$78K
Aaron James DeerChiefJun 30P886$25.37$22K
Luis MachucaDirDERIVJun 15A563$31.78$18K?
Devine David MooreChiefJun 8S3,812$29.78$114K
Devine David MooreChiefJun 8S60$29.77$2K
Randal Lee LundDirMay 14A3,949$0.00—
Eric ForrestDirMay 14A3,949$0.00—
Elizabeth Whitehead SeatonDirMay 14A3,949$0.00—
Mark A. FinkelsteinDirMay 14A3,949$0.00—
Hilliard C. Terry IIIDirMay 14A3,949$0.00—
M. Christian MitchellDirMay 14A3,949$0.00—
Jaynie M. StudenmundDirMay 14A3,949$0.00—
Luis MachucaDirMay 14A3,949$0.00—
Anddria VarnadoDirMay 14A3,949$0.00—
John F. SchultzDirMay 14A3,949$0.00—
Brock LakelyCAOApr 15F396$29.10$12K
Aaron James DeerChiefDERIVMar 13M1,567$0.00—?
Aaron James DeerChiefMar 13F617$26.23$16K
Aaron James DeerChiefMar 13M1,567$26.23$41K
Devine David MooreChiefDERIVMar 13M940$0.00—?
Devine David MooreChiefMar 13F376$26.23$10K
Devine David MooreChiefMar 13M940$26.23$25K
Christopher MerrywellVPDERIVMar 13M5,013$0.00—?
Christopher MerrywellVPMar 13F1,973$26.23$52K
Christopher MerrywellVPMar 13M5,013$26.23$131K
Frank NamdarChiefDERIVMar 13M2,820$0.00—?
Frank NamdarChiefMar 13F1,367$26.23$36K
Frank NamdarChiefMar 13M2,820$26.23$74K
Brock LakelyCAODERIVMar 13M846$0.00—?
Brock LakelyCAOMar 13S211$26.23$6K
Brock LakelyCAOMar 13M846$26.23$22K
Torran B. NixonVPDERIVMar 13M5,013$0.00—?
Torran B. NixonVPMar 13F2,002$26.23$53K
Torran B. NixonVPMar 13M5,013$26.23$131K
Andrew H. OgnallChiefDERIVMar 13M2,381$0.00—?
Andrew H. OgnallChiefMar 13F951$26.23$25K
Andrew H. OgnallChiefMar 13M2,381$26.23$62K
Clint SteinCEODERIVMar 13M18,171$0.00—?
Clint SteinCEOMar 13F7,151$26.23$188K
Clint SteinCEOMar 13M18,171$26.23$477K
Luis MachucaDirDERIVMar 16A659$26.83$18K?
Kumi Yamamoto BaruffiGCDERIVMar 13M2,381$0.00—?
Kumi Yamamoto BaruffiGCMar 13S937$26.23$25K
Kumi Yamamoto BaruffiGCMar 13M2,381$26.23$62K
Drew K. AndersonChiefDERIVMar 13M2,506$0.00—?
Drew K. AndersonChiefMar 13F1,215$26.23$32K
Drew K. AndersonChiefMar 13M2,506$26.23$66K
Torran B. NixonVPMar 4SPLAN2,240$28.85$65K
Torran B. NixonVPMar 3SPLAN2,241$28.25$63K
Aaron James DeerChiefMar 1F918$28.45$26K
Frank NamdarChiefMar 1F1,808$28.45$51K
Torran B. NixonVPMar 1F2,980$28.45$85K
Clint SteinCEOMar 1F9,789$28.45$278K
Andrew H. OgnallChiefMar 1F1,304$28.45$37K
Christopher MerrywellVPMar 1F3,230$28.45$92K
Brock LakelyCAOMar 1F391$28.45$11K
Devine David MooreChiefMar 1F838$28.45$24K
Kumi Yamamoto BaruffiGCMar 1F1,799$28.45$51K
Drew K. AndersonChiefMar 1F1,808$28.45$51K
Ivan A. SedaCFODERIVFeb 18A12,804$31.24$400K?
Frank NamdarChiefDERIVFeb 18A8,002$31.24$250K?
Clint SteinCEODERIVFeb 18A56,017$31.24$1.7M?
Andrew H. OgnallChiefDERIVFeb 18A8,002$31.24$250K?
Torran B. NixonVPDERIVFeb 18A16,645$31.24$520K?
Devine David MooreChiefDERIVFeb 18A2,800$31.24$87K?
Christopher MerrywellVPDERIVFeb 18A16,645$31.24$520K?
Brock LakelyCAODERIVFeb 18A5,601$31.24$175K?
Judi GiemEVPDERIVFeb 18A8,322$31.24$260K?
Aaron James DeerChiefDERIVFeb 18A4,001$31.24$125K?
Kumi Yamamoto BaruffiGCDERIVFeb 18A8,322$31.24$260K?
Drew K. AndersonChiefDERIVFeb 18A8,002$31.24$250K?
Clint SteinCEOFeb 15F3,922$31.49$124K
Andrew H. OgnallChiefFeb 15F931$31.49$29K
Torran B. NixonVPFeb 15F1,905$31.49$60K
Frank NamdarChiefFeb 15F1,169$31.49$37K
Devine David MooreChiefFeb 15F485$31.49$15K
Christopher MerrywellVPFeb 15F1,706$31.49$54K
Aaron James DeerChiefFeb 15F531$31.49$17K
Kumi Yamamoto BaruffiGCFeb 15F1,036$31.49$33K
Drew K. AndersonChiefFeb 15F788$31.49$25K
Luis MachucaDirDERIVFeb 4A562$31.12$17K?
Luis MachucaDirDERIVDec 3A65$28.17$2K?
Aaron James DeerChiefFeb 2F1,191$29.69$35K
Aaron James DeerChiefFeb 2A2,620$29.69$78K
Christopher MerrywellVPFeb 2F4,949$29.69$147K
Christopher MerrywellVPFeb 2A12,576$29.69$373K
Frank NamdarChiefFeb 2F2,383$29.69$71K
Frank NamdarChiefFeb 2A4,667$29.69$139K
Clint SteinCEOFeb 2F8,653$29.69$257K
Clint SteinCEOFeb 2A21,988$29.69$653K
Clint SteinCEOFeb 2F11,383$29.69$338K
Clint SteinCEOFeb 2A28,927$29.69$859K
Andrew H. OgnallChiefFeb 2F1,929$29.69$57K
Andrew H. OgnallChiefFeb 2A4,510$29.69$134K
Torran B. NixonVPFeb 2F5,528$29.69$164K
Torran B. NixonVPFeb 2A13,844$29.69$411K
Devine David MooreChiefFeb 2F965$29.69$29K
Devine David MooreChiefFeb 2A2,095$29.69$62K
Kumi Yamamoto BaruffiGCFeb 2F2,110$29.69$63K
Kumi Yamamoto BaruffiGCFeb 2A5,093$29.69$151K
Drew K. AndersonChiefFeb 2F1,710$29.69$51K
Drew K. AndersonChiefFeb 2A3,146$29.69$93K
Steven R. GardnerDirJan 30S13,725$29.43$404K
Aaron James DeerChiefJan 20F776$28.35$22K
Aaron James DeerChiefJan 20D325$0.00—
Frank NamdarChiefJan 20F1,652$28.35$47K
Frank NamdarChiefJan 20D579$0.00—
Devine David MooreChiefJan 20F628$28.35$18K
Devine David MooreChiefJan 20D260$0.00—
Andrew H. OgnallChiefJan 20F1,353$28.35$38K
Andrew H. OgnallChiefJan 20D559$0.00—
Torran B. NixonVPJan 20F3,873$28.35$110K
Torran B. NixonVPJan 20D1,717$0.00—
Christopher MerrywellVPJan 20F3,496$28.35$99K
Christopher MerrywellVPJan 20D1,560$0.00—
Clint SteinCEOJan 20F5,635$28.35$160K
Clint SteinCEOJan 20D2,727$0.00—
Clint SteinCEOJan 20F7,615$28.35$216K
Clint SteinCEOJan 20D3,588$0.00—
Kumi Yamamoto BaruffiGCJan 20F1,508$28.35$43K
Kumi Yamamoto BaruffiGCJan 20D632$0.00—
Drew K. AndersonChiefJan 20F1,114$28.35$32K
Drew K. AndersonChiefJan 20D390$0.00—
Andrew H. OgnallChiefDERIVDec 31A21,467$27.95$600K?
Luis MachucaDirDERIVNov 5A630$26.55$17K?