Compensation award — excluded from discretionary-purchase analysis.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Mar 16, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 18, 2026
DirectorIndirect holdingGrant / award
Context
Classification
grant award
Code A — grant or award
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001133099-26-000005
Filed / recorded
Mar 18, 2026, 12:50 AM UTC
Added to OQRO
Oct 6, 2026, 7:14 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
COLUMBIA BANKING SYSTEM, INC.
Issuer CIK
887343
Ticker
COLB
Reporting person
Luis Machuca
Relationship
Director
Security
Deferred Compensation Phantom Stock
Table
Derivative (Table II)
Transaction date
Mar 16, 2026
Transaction code
A
Shares / units
659
Price per share
$26.83
Acquired / disposed
Acquired (A)
Shares owned after
48,403
Ownership form
Indirect — Deferred Compensation
Amendment
No
Footnotes from the filing
The deferred compensation plan phantom stock was accrued under the Registrant's deferred compensation plan and will be paid in accordance with the terms of the deferred compensation plan following the end of the reporting person's employment with the Registrant.