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CBNA · Chain Bridge Bancorp Inc
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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CBNA

CHAIN BRIDGE BANCORP INC
BANKS · NATIONAL COMMERCIAL BANKS · CIK 0001392272
SEC FILINGS☆ WATCH
INSIDER NET · 180D
$17.6K
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
1
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
39
13F, latest reported quarter
REVENUE GROWTH
-
XBRL, annual
NET MARGIN
-
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net +$17.6K over 180 days
+$17.6K over 90 days
more than 71% of Banks
CONGRESS
no member of Congress has reported trading it
FUNDS
39 funds added or opened last quarter
below 85% of Banks
REVENUE
no revenue reported in any filing
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
1.3 days to cover · settled 2026-07-31
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
39 funds added or opened positions in the latest 13F quarter, of 73 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +54.8%
+54.8%12M
-4%+18%+39%+60%2025-092025-102025-122026-032026-052026-072026-09 2026-03-03 · Thompson-Byas Benita sold $70.9K2026-03-05 · Pollock James R. bought $25.2K2026-07-29 · MARTINELLI MARK bought $17.6K2026-03-06 · Basha Leigh-Alexandra bought $14.0K2025-11-11 · MARTINELLI MARK bought $12.3K2025-11-18 · Basha Leigh-Alexandra bought $12.2K2025-11-18 · Basha Leigh-Alexandra bought $12.2K
INSIDER BUYINSIDER SELL
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders are net buyers of their own stock.
The record shows a net $17.6K bought by insiders over 180 days, 39 funds added last quarter. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, CHAIN BRIDGE BANCORP INC insiders bought a net $17.6K of stock across 30 Form 4 purchases and sales, with 1 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
MARTINELLI MARK
Director
BUY
2026-07-29
400.0
$17.6K
Basha Leigh-Alexandra
Director
BUY
2026-03-06
400.0
$14.0K
Pollock James R.
Corporate Development Officer
BUY
2026-03-05
714.0
$25.2K
Thompson-Byas Benita
Director
SELL
2026-03-03
2,000.0
$70.9K
Basha Leigh-Alexandra
Director
BUY
2025-11-18
400.0
$12.2K
30 TRANSACTIONS ON RECORD

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Institutional holders
13F · holdings as of the latest quarter funds have reported
Hingham Institution for Savings
334,137.0 sh
$14.1M
ROYCE & ASSOCIATES LP
317,935.0 sh
$13.4M
FJ Capital Management LLC
293,788.0 sh
$12.4M
Gator Capital Management, LLC
219,365.0 sh
$9.2M
BlackRock, Inc.
133,222.0 sh
$5.6M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
FORM 144
No planned-sale notices
No insider has notified an intent to sell. This is the panel to watch after a run-up.
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
GATOR CAPITAL LONG/SHORT FUND
$925.3K POSITION · AS OF 2026-04-30
1.1%
Royce Micro-Cap Fund
$2.0M POSITION · AS OF 2026-03-31
0.6%
Royce Capital Fund - Micro-Cap Portfolio
$641.3K POSITION · AS OF 2026-03-31
0.6%
Royce Small-Cap Fund
$1.3M POSITION · AS OF 2026-03-31
0.1%
Small Cap Core Fund
$138.2K POSITION · AS OF 2026-03-31
0.0%
iShares Micro-Cap ETF
$194.4K POSITION · AS OF 2026-03-31
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-12
NET INCOME$20.2M$20.9M$8.8M
EPS (DILUTED)3.084.171.93
OPERATING CASH FLOW$15.6M$21.8M$12.8M
CASH$586.6M$410.7M$316.8M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →