Skip to content
buyWeak

Martin S. Friedman bought $628k of CBNA

owner at CHAIN BRIDGE BANCORP INC. 25,796 shares at an average of $24.35, traded Feb 21, 2025, filed Mar 3, 2025.

Conviction score
30
Value
$628k
25,796 shares
Holdings after
338,236
+8% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    10% owner
    +12
  • Trade size
    $628k at market
    +20
  • Relative to holdings
    Holdings up 8%
    +3
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -2.4%, 3m +11.0%, 6m +25.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CBNAOct 9, 2026 · close 49.25
Since filing Mar 3, 2025: +103.9%SPY +36.0% · excess +67.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001171520-25-000060, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 21, 2025POpen-market purchase
Class A Common Stockindirect: See notes
+1,088$24.49$27k312,528Mar 3, 2025
Feb 24, 2025POpen-market purchase
Class A Common Stockindirect: See notes
+16,194$24.46$396k328,722Mar 3, 2025
Feb 25, 2025POpen-market purchase
Class A Common Stockindirect: See notes
+8,514$24.13$205k338,236Mar 3, 2025

Related signals

Other insiders at CHAIN BRIDGE BANCORP INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
CBNAbuy 2
CHAIN BRIDGE BANCORP INC
Leigh-Alexandra Basha
director
$14k
400 shares
+50%
38Weak
CBNAbuy 2
CHAIN BRIDGE BANCORP INC
Leigh-Alexandra Basha
director
$12k
400 shares
+100%
23Weak
CBNAbuy
CHAIN BRIDGE BANCORP INC
Leigh-Alexandra Basha
director
$24k
800 shares
-
34Weak
CBNAbuy 2
CHAIN BRIDGE BANCORP INC
James R. Pollock
Corporate Development Officer
$25k
714 shares
+23%
28Weak
CBNAsell
CHAIN BRIDGE BANCORP INC
Benita Thompson-Byas
director
$71k
2,000 shares
-11%
29Weak
CBNAbuy 2
CHAIN BRIDGE BANCORP INC
Mark Martinelli
director
$12k
430 shares
+21%
25Weak
CBNAbuy
CHAIN BRIDGE BANCORP INC
Leigh-Alexandra Basha
director
$12k
400 shares
+235%
23Weak
CBNAbuy
CHAIN BRIDGE BANCORP INC
Leigh-Alexandra Basha
director
$12k
400 shares
-
35Weak
CBNAsell
CHAIN BRIDGE BANCORP INC
Martin S. Friedman
owner
$868k
32,158 shares
-10%
21Weak
CBNAbuy
CHAIN BRIDGE BANCORP INC
Michael J. Conover
director
$25k
1,000 shares
+44%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.