Chain Bridge Bancorp (CBNA) officer adds 714 shares in open-market buy

Rhea-AI Filing Summary

Chain Bridge Bancorp Inc. Corporate Development Officer James R. Pollock bought 714 shares of Class A Common Stock in an open-market purchase at $35.25 per share. Following this transaction, he directly owns 3,845 shares.

Insider Trade Summary

Net Buyer: 714 shares ($25,169)

Net Buy 1 txn

Insider Pollock James R.

Role Corporate Development Officer

Bought 714 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock	714	$35.25	$25K

Holdings After Transaction: Class A Common Stock — 3,845 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Pollock James R.

(Last) (First) (Middle)

1445-A LAUGHLIN AVENUE

(Street)

MCLEAN VA 22101

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CHAIN BRIDGE BANCORP INC [ CBNA ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Corporate Development Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/05/2026		P		714	A	$35.25	3,845	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Hilary Albrecht, attorney-in-fact	03/06/2026
	** 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.

FAQ

What insider transaction did CBNA report for James R. Pollock?

CBNA reported that Corporate Development Officer James R. Pollock completed an open-market purchase of 714 shares of Class A Common Stock at $35.25 per share, increasing his directly owned holdings to a total of 3,845 shares.

How many CBNA shares did James R. Pollock buy and at what price?

James R. Pollock bought 714 shares of Chain Bridge Bancorp Inc. Class A Common Stock at a price of $35.25 per share. This open-market purchase increased his directly owned stake in the company to 3,845 shares after the transaction.

What is James R. Pollock’s role at Chain Bridge Bancorp (CBNA)?

James R. Pollock serves as Corporate Development Officer at Chain Bridge Bancorp Inc. In this capacity, he reported an open-market purchase of 714 shares of Class A Common Stock, bringing his directly owned holdings to 3,845 shares following the transaction.

How many CBNA shares does James R. Pollock own after the reported trade?

After the reported open-market purchase, James R. Pollock directly owns 3,845 shares of Chain Bridge Bancorp Inc. Class A Common Stock. This reflects the addition of 714 shares acquired at $35.25 per share in the disclosed transaction.

Was the CBNA insider trade by James R. Pollock a purchase or a sale?

The CBNA insider trade by James R. Pollock was a purchase. He executed an open-market buy of 714 shares of Class A Common Stock at $35.25 per share, which raised his directly owned position to 3,845 shares after the transaction.