SEC Filing Analysis: CHAIN BRIDGE BANCORP INC (CBNA)

Executive Summary

• Trading Significance: Low
• Key Takeaway: A director received a small, routine stock award valued at approximately $12,277. This amended filing corrects the director's total holdings.
• Market Impact: Neutral. The transaction is too small to have a meaningful impact on the stock.

Company Information

Field	Value
Company	CHAIN BRIDGE BANCORP INC
Ticker Symbol	CBNA
CIK	0001392272
Industry	NATIONAL COMMERCIAL BANKS [6021]

Insider Information

Field	Value
Name	MARTINELLI MARK
CIK	0001393085
Title/Position	null
Relationship	Director

Transaction Details

Field	Value
Form Type	4/A
Transaction Date	2025-11-11
Transaction Code	A (Award)
Security Type	Class A Common Stock
Shares Involved	430
Price Per Share	$28.55
Total Value	$12,276.50
Shares Owned After	2,600
Ownership Type	Direct

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$12,276.50
% of Market Cap	0.006%
Shares Transacted	430
% of Shares Outstanding	0.014%
Post-Transaction Ownership	2,600 shares (0.082% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: With a market capitalization of $190 million, this $12k transaction is immaterial.
• Ownership Concentration: The director's post-transaction ownership remains very low at less than 0.1% of total shares outstanding.
• Dilution Impact: The issuance of 430 shares represents a negligible 0.014% dilution to existing shareholders.
• Transaction Significance: The transaction is a routine grant, common for board compensation, and holds no significant market signal due to its small size relative to both market cap and shares outstanding.

Additional Context

Transaction Notes

• Filing Type: This is a Form 4/A (Amendment), filed to correct the total amount of securities beneficially owned by the insider.