Director at Chain Bridge Bancorp (CBNA) buys 800 shares in open market

Rhea-AI Filing Summary

Chain Bridge Bancorp Inc. director Basha Leigh-Alexandra increased her direct stake through open-market purchases of Class A common stock. She bought 400 shares on June 29, 2025 at $29.97 per share and another 400 shares on November 18, 2025 at $30.479 per share, for a total of 800 shares purchased. Following the most recent transaction, she directly owns 1,200 Class A common shares.

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

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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^*

Basha Leigh-Alexandra

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
06/29/2025

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	06/29/2025		P		400	A	$29.97	400	D
Class A Common Stock	11/18/2025		P		400	A	$30.479	1,200	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:

The reporting person beneficially owns 170 shares of Class B common stock, as previously reported on Form 3 filed on October 3, 2024.

	/s/ Hilary Albrecht, attorney-in-fact	03/05/2026
	** 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 transactions did CBNA director Basha Leigh-Alexandra report?

Basha Leigh-Alexandra reported two open-market purchases of Chain Bridge Bancorp Class A common stock. She bought 400 shares on June 29, 2025 and 400 shares on November 18, 2025, increasing her direct ownership to 1,200 shares.

How many CBNA shares did the director buy in the latest transaction?

In the latest reported transaction, the director purchased 400 shares of Chain Bridge Bancorp Class A common stock. The November 18, 2025 buy was an open-market transaction at a price of $30.479 per share.

What is Basha Leigh-Alexandra’s total CBNA shareholding after these trades?

After the reported transactions, Basha Leigh-Alexandra directly owns 1,200 shares of Chain Bridge Bancorp Class A common stock. This reflects the combined impact of her two 400-share open-market purchases disclosed in the Form 4.

At what prices did the CBNA director purchase her shares?

The director bought Chain Bridge Bancorp Class A common stock at $29.97 per share on June 29, 2025 and $30.479 per share on November 18, 2025, according to the Form 4 insider transaction data.

Were the CBNA insider transactions open-market purchases or another type?

Both reported CBNA transactions were open-market purchases of Class A common stock. The Form 4 labels each as a purchase in an open market or private transaction, coded as “P” for non-derivative securities.