What price per share was used in Clint Stein’s COLB tax-withholding transaction?

The transaction used a price of $31.49 per share for the 3,922 COLB common shares delivered. This price is reported in the Form 4 and is used to calculate the value applied to satisfy Stein’s tax obligation.

COLB (COLB) CEO Clint Stein delivers 3,922 shares to cover tax liability

Q: What insider transaction did COLB executive Clint Stein report?

Clint Stein reported a tax-withholding disposition of common stock. He delivered 3,922 shares to cover tax obligations tied to an equity award, rather than executing an open-market sale, according to the Form 4 transaction details.

Q: How many COLB shares were disposed of in Clint Stein’s Form 4?

The Form 4 shows Stein disposed of 3,922 shares of COLB common stock. The shares were used to satisfy tax liabilities, with a reported transaction price of $31.49 per share , as part of an equity compensation event.

Q: Was Clint Stein’s COLB transaction an open-market sale or tax withholding?

The Form 4 characterizes the transaction as a tax-withholding disposition , not an open-market sale. Code F and the description state it was payment of a tax liability by delivering previously acquired securities.

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

COLUMBIA BANKING SYSTEM, INC. Chair, President and CEO Clint Stein reported a tax-related share disposition under an equity award. On this Form 4, he transferred 3,922 shares of common stock at $31.49 per share to cover tax obligations. After this transaction, he directly holds 150,353 common shares.

Insider Trade Summary

Net Seller: 3,922 shares

Net Sell 1 txn

Insider Stein Clint

Role Chair, President, CEO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	3,922	$31.49	$124K

Holdings After Transaction: Common Stock — 150,353 shares (Direct)

FAQ

What insider transaction did COLB executive Clint Stein report?

Clint Stein reported a tax-withholding disposition of common stock. He delivered 3,922 shares to cover tax obligations tied to an equity award, rather than executing an open-market sale, according to the Form 4 transaction details.

How many COLB shares were disposed of in Clint Stein’s Form 4?

The Form 4 shows Stein disposed of 3,922 shares of COLB common stock. The shares were used to satisfy tax liabilities, with a reported transaction price of $31.49 per share, as part of an equity compensation event.

How many COLB shares does Clint Stein own after this Form 4 transaction?

After the tax-withholding disposition, Clint Stein directly owns 150,353 shares of COLB common stock. This post-transaction holding figure is reported in the Form 4 as the total shares beneficially owned following the transaction.

Was Clint Stein’s COLB transaction an open-market sale or tax withholding?

The Form 4 characterizes the transaction as a tax-withholding disposition, not an open-market sale. Code F and the description state it was payment of a tax liability by delivering previously acquired securities.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/18/2026 - 06:34 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stein Clint

(Last)

(First)

(Middle)

C/O COLUMBIA BANKING SYSTEM, INC.

1301 A STREET

(Street)

TACOMA

98402

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
COLUMBIA BANKING SYSTEM, INC. [ COLB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chair, President, CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/15/2026		F		3,922	D	$31.49	150,353	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

Remarks:

	/s/ Andrea M. Newburn, Attorney-in-fact	02/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR