Director at Chain Bridge Bancorp (CBNA) buys 400 company shares

Rhea-AI Filing Summary

Chain Bridge Bancorp director Basha Leigh-Alexandra purchased additional shares of the company. On March 6, 2026, she made an open-market purchase of 400 shares of Class A Common Stock at an average price of $35.0399 per share. Following this transaction, she now directly owns 1,200 shares of Chain Bridge Bancorp common stock.

Insider Trade Summary

Net Buyer: 400 shares ($14,016)

Net Buy 1 txn

Insider Basha Leigh-Alexandra

Role Director

Bought 400 shs ($14K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock	400	$35.0399	$14K

Holdings After Transaction: Class A Common Stock — 1,200 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^*

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)
03/06/2026

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	03/06/2026		P		400	A	$35.0399	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	03/10/2026
	** 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 Chain Bridge Bancorp (CBNA) report on this Form 4?

Chain Bridge Bancorp reported that director Basha Leigh-Alexandra bought 400 shares of Class A Common Stock. The open-market purchase occurred at an average price of $35.0399 per share, increasing her directly held stake in the company.

Who is the insider involved in the latest CBNA Form 4 filing?

The insider is Basha Leigh-Alexandra, a director of Chain Bridge Bancorp. She reported an open-market purchase of 400 shares of Class A Common Stock, bringing her direct ownership position to a total of 1,200 shares after the transaction.

How many Chain Bridge Bancorp shares did the director buy and at what price?

Director Basha Leigh-Alexandra bought 400 shares of Chain Bridge Bancorp Class A Common Stock. The transaction was executed in the open market at an average purchase price of $35.0399 per share, as disclosed in the Form 4 filing.

What is Basha Leigh-Alexandra’s total Chain Bridge Bancorp ownership after the trade?

After the reported transaction, director Basha Leigh-Alexandra directly owns 1,200 shares of Chain Bridge Bancorp Class A Common Stock. This figure reflects her holdings immediately following the 400-share open-market purchase disclosed in the Form 4.

Was the CBNA insider transaction a purchase or a sale?

The CBNA insider transaction was a purchase. Director Basha Leigh-Alexandra executed an open-market buy of 400 shares of Class A Common Stock, coded as a “P” transaction, which indicates a purchase rather than a sale or other type of disposition.