XOOMAR

Chain Bridge Bancorp (CBNA)

Chain Bridge Bancorp on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE.

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163K

Short interest

settlement 2026-09-30

8.2

Days to cover

+1.6 days vs prior

69.9%

Short share of volume

2026-10-23

3

Fails to deliver

settlement 2026-08-13

Tue 27 Oct

Next earnings

estimated date

$18K

Insider flow, 90 days

1 buys, 0 sells

As of 2026-10-23.

Short interest

FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSON

As of 30 September 2026, short interest in CBNA is 162,939 shares, up 46,940 shares over the last month. Over the last 48 readings it ranged from 1,049 shares (31 October 2024) to 162,939 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 20K shares a day that is 8.2 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-30162,939+23.2%19,8458.21
2026-09-15132,299+14.1%19,8976.65
2026-08-31115,999+50.3%15,8077.34
2026-08-1477,183+140.6%26,1132.96
2026-07-3132,079+27.7%23,9391.34
2026-07-1525,118-8.8%22,9791.09
2026-06-3027,552+143.7%20,4761.35
2026-06-1511,305+13.3%5,1682.19
2026-05-299,974+1.6%6,4061.56
2026-05-159,822-43.1%3,2243.05
2026-04-3017,272-24.2%3,6144.78
2026-04-1522,784-8.8%3,1317.28
2026-03-3124,992-25.1%4,3155.79
2026-03-1333,370+1.2%4,8476.88
2026-02-2732,988+49.0%4,9346.69
2026-02-1322,134+1.3%5,5563.98
2026-01-3021,851+13.6%4,2365.16
2026-01-1519,229-13.3%5,6233.42
2025-12-3122,167-38.0%6,9023.21
2025-12-1535,730+12.7%5,9116.04
2025-11-2831,701-3.7%3,7878.37
2025-11-1432,905+4.7%9,2833.54
2025-10-3131,435+0.0%5,0046.28
2025-10-1531,423-38.2%9,3543.36
2025-09-3050,847-6.8%11,0654.60
2025-09-1554,525-11.0%11,8254.61
2025-08-2961,258-30.6%17,5403.49
2025-08-1588,270-3.4%16,3635.39
2025-07-3191,363+1.8%10,1778.98
2025-07-1589,738+0.7%11,0118.15
2025-06-3089,079+645.7%49,0991.81
2025-06-1311,945+27.0%13,6401.00
2025-05-309,408+7.4%33,1601.00
2025-05-158,757-5.7%13,4461.00
2025-04-309,290-18.8%11,0561.00
2025-04-1511,436-27.1%15,5801.00
2025-03-3115,676-30.1%8,1801.92
2025-03-1422,423-29.6%13,7741.63
2025-02-2831,842+18.0%13,4302.37
2025-02-1426,991+36.7%31,2761.00
2025-01-3119,751-24.0%27,0711.00
2025-01-1525,995+39.1%23,3951.11
2024-12-3118,689+315.4%29,0991.00
2024-12-134,499+11.9%33,5751.00
2024-11-294,020-57.5%19,5581.00
2024-11-159,471+802.9%54,7711.00
2024-10-311,049-50.2%35,2811.00
2024-10-152,108+100.0%51,0701.00

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 23 October 2026, the short share of CBNA volume is 69.9%, down 2.5 points over the last five sessions. Over the last 30 readings it ranged from 27.4% (20 October 2026) to 90.2% (22 October 2026). The latest reading is 7.8 points above the 30-session average of 62.1%, on 3K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-232K3K69.9%0
2026-10-222K2K90.2%0
2026-10-213K4K72.0%0
2026-10-206822K27.4%0
2026-10-192K6K44.1%0
2026-10-162K2K72.5%0
2026-10-152K3K75.2%0
2026-10-145K7K67.0%0
2026-10-133K8K34.8%0
2026-10-129K13K66.9%0
2026-10-092K2K73.2%0
2026-10-082K3K46.9%0
2026-10-072K4K62.3%0
2026-10-063K5K65.0%0
2026-10-0548785956.7%0
2026-10-021K2K60.2%0
2026-10-015K7K69.6%0
2026-09-303K4K66.2%0
2026-09-292K3K62.9%0
2026-09-282K2K67.3%0
2026-09-251K2K59.5%0
2026-09-242K4K69.2%0
2026-09-2311K13K79.0%0
2026-09-224K6K65.3%0
2026-09-211K3K41.9%0
2026-09-183K3K80.9%0
2026-09-172K4K55.1%0
2026-09-168K19K43.5%0
2026-09-155K9K60.1%0
2026-09-146K10K59.4%0

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 13 August 2026, the fails-to-deliver balance in CBNA is 3 shares, down 23 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (5 December 2025) to 4,115 shares (22 June 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-08-133$48.50$146
2026-07-2826$44.60$1K
2026-07-0290$43.98$4K
2026-06-224,115$40.47$167K
2026-06-154$37.36$149
2026-06-083,500$36.20$127K
2026-03-12461$35.51$16K
2026-03-063,698$35.25$130K
2026-02-0317$37.04$630
2026-02-0217$35.24$599
2025-12-12516$35.50$18K
2025-12-051$32.97$33
2025-10-1415$31.82$477
2025-09-24394$31.32$12K
2025-09-23178$31.79$6K
2025-09-111,830$30.86$56K
2025-09-09732$31.11$23K
2025-09-08594$30.62$18K
2025-09-05290$30.64$9K
2025-08-28774$29.16$23K
2025-08-25113$28.38$3K
2025-08-1920$27.26$545
2025-08-14217$27.40$6K
2025-08-1213$27.00$351
2025-08-11156$26.86$4K
2025-08-08200$26.80$5K
2025-08-05250$26.85$7K
2025-07-31478$26.39$13K
2025-07-291,841$26.89$50K
2025-07-281,607$26.72$43K

Insider trades

SEC Form 4, newest first. JSON

Insiders at CBNA reported 1 open-market buy worth $18K in the last 90 days and no open-market sells. Latest filing: MARTINELLI MARK (Director) on 2026-07-29.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-07-29MARTINELLI MARKDirectorBuy400$44.00$18K3K
2026-03-06Basha Leigh-AlexandraDirectorBuy400$35.04$14K1K
2026-03-05Pollock James R.Corporate Development OfficerBuy714$35.25$25K4K
2026-03-03Thompson-Byas BenitaDirectorSell2K$35.44$71K16K
2025-12-15Thompson-Byas BenitaDirectorConversion18K$36.46$657K18K
2025-12-15Thompson-Byas BenitaDirectorConversion18K$36.46$657K18K
2025-11-18Basha Leigh-AlexandraDirectorBuy400$30.48$12K800
2025-11-18Basha Leigh-AlexandraDirectorBuy400$30.48$12K1K
2025-11-17Fitzgerald Joseph MICHAELDirectorConversion28K$30.19$842K29K
2025-11-17Fitzgerald Joseph MICHAELDirectorConversion28K$30.19$842K28K
2025-11-11MARTINELLI MARKDirectorBuy430$28.55$12K3K
2025-11-11MARTINELLI MARKDirectorGrant430$28.55$12K3K
2025-11-11Martinelli MarkDirectorGrant430$28.55$12K3K
2025-11-07Martinelli MarkDirectorConversion170$29.93$5K2K
2025-08-29Basha Leigh-AlexandraDirectorBuy400$29.81$12K400
2025-08-29Basha Leigh-AlexandraDirectorBuy400$29.81$12K570
2025-08-18Evinger David M.President, Chief Risk OfficerOther transaction125$0.00$0125
2025-06-29Basha Leigh-AlexandraDirectorBuy400$29.97$12K400
2025-05-28Friedman Martin S.TenPercentOwnerSell32K$27.01$869K306K
2025-02-25Friedman Martin S.TenPercentOwnerBuy9K$24.13$205K338K
2025-02-24Friedman Martin S.TenPercentOwnerBuy16K$24.46$396K329K
2025-02-21Friedman Martin S.TenPercentOwnerBuy1K$24.49$27K313K
2025-02-04Conover Michael J.DirectorBuy300$24.61$7K3K
2025-02-03Conover Michael J.DirectorBuy700$24.75$17K3K
2024-11-22Leavitt Paul W.DirectorGift700$0.00$01K
2024-11-21Leavitt Paul W.DirectorGift700$0.00$02K
2024-11-21Leavitt Paul W.DirectorGift700$0.00$03K
2024-11-21Leavitt Paul W.DirectorGift700$0.00$04K
2024-11-21Leavitt Paul W.DirectorGift700$0.00$03K
2024-10-03Evinger David M.President, Chief Risk OfficerBuy125$22.00$3K125
2024-10-03Fitzgerald Joseph MICHAELDirectorBuy1K$22.00$28K1K
2024-10-03Leavitt Paul W.DirectorBuy5K$22.00$103K5K
2024-10-03Martinelli MarkDirectorBuy2K$22.00$44K2K
2024-10-03Miller Rachel G.Counsel & Corporate SecretaryBuy407$22.00$9K407
2024-10-03Pollock James R.Corporate Development OfficerBuy3K$22.00$69K3K
2024-10-03Conover Michael J.DirectorBuy2K$22.00$50K2K
2024-10-03Brough John JChief Executive OfficerBuy1K$22.00$28K1K
2024-10-03Williamson Joanna R.Chief Financial OfficerBuy753$22.00$17K753
2024-10-03Korsmo Michelle L.DirectorBuy626$22.00$14K626
2024-10-03Thompson-Byas BenitaDirectorBuy188$22.00$4K188
2024-10-03Fitzgerald Andrew J.Director,TenPercentOwnerBuy3K$22.00$55K3K
2024-10-03Fitzgerald Thomas G. Jr.Director,TenPercentOwnerBuy3K$22.00$55K3K
2024-10-03Nunez Yonesy F.DirectorBuy2K$22.00$40K2K

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Planned sales (Form 144)

Newest first. JSON

1 Form 144 notice on file for CBNA worth $70K at the prices reported; 0 in the last 90 days worth $0. Latest: Thompson-Byas Benita filed on 2026-03-03 to sell 2,000 shares ($70K) from 2026-03-03.

FiledSellerSharesMarket valueOf outstandingSale fromBroker
2026-03-03Thompson-Byas BenitaDirector2K$70K0.062%2026-03-03Charles Schwab Corp.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

18 holders report 5% or more of CBNA in their latest filing, 13 on Schedule 13D (active intent). The largest reported stake is FITZGERALD PETER G at 23.8% of the class (1,027,820 shares), filed 2026-02-02 for an event on 2026-01-28.

FiledFormHolderSharesOf classEvent
2026-07-2013GHingham Institution for Savingsbank334K9.9%2026-06-30
2026-02-0213D/Ano. 3FITZGERALD PETER Gindividual1.0M23.8%2026-01-28
2026-02-0213D/Ano. 3Julie F. Schauer 1994 Trustother entity647K16.4%2026-01-28
2026-02-0213D/Ano. 3SCHAUER JULIE Findividual647K16.4%2026-01-28
2026-02-0213D/Ano. 3FITZGERALD GERALD F JRindividual536K14.0%2026-01-28
2026-02-0213D/Ano. 3FITZGERALD JAMES Gindividual463K12.3%2026-01-28
2026-02-0213D/Ano. 3Everglades Trustother entity445K11.9%2026-01-28
2026-02-0213D/Ano. 3FITZGERALD THOMAS Gindividual372K10.1%2026-01-28
2026-02-0213D/Ano. 3Fitzgerald Thomas G. Jr.individual216K6.1%2026-01-28
2026-02-0213D/Ano. 3JEM Management, L.P.partnership211K6.0%2026-01-28
2026-02-0213D/Ano. 3Peterson Lauren Fitzgeraldindividual189K5.4%2026-01-28
2026-02-0213D/Ano. 3TF Management, LLCother entity189K5.4%2026-01-28
2026-02-0213D/Ano. 3TGF INVESTMENTS L Ppartnership189K5.4%2026-01-28
2026-02-0213D/Ano. 3Fitzgerald Andrew J.individual178K5.1%2026-01-28
2026-02-0213D/Ano. 3Otis Management, LLCother entity170K4.9%2026-01-28
2026-02-0213D/Ano. 3Otis Road Investments, L.Ppartnership170K4.9%2026-01-28
2026-02-0213D/Ano. 3S.C. Investments II, L.P.partnership142K4.1%2026-01-28
2026-02-0213D/Ano. 3Fitzgerald 2002 Special Trustother entity103K3.0%2026-01-28
2026-02-0213D/Ano. 3JBF 2013 Trustother entity103K3.0%2026-01-28
2026-02-0213D/Ano. 3GFF Family Trustother entity80K2.4%2026-01-28
2026-02-0213D/Ano. 3Anhinga Trustother entity51K1.5%2026-01-28
2026-02-0213D/Ano. 3Andrew J. Fitzgerald 2011 Trustother entity8K0.2%2026-01-28
2026-01-3013G/Ano. 3ROYCE & ASSOCIATES LPinvestment adviser278K8.9%2025-12-31
2026-01-2013G/Ano. 1Derek Pileckiindividual206K6.4%2025-12-31
2026-01-2013G/Ano. 1Gator Capital Management, LLCinvestment adviser, other entity206K6.4%2025-12-31
2026-01-2013G/Ano. 1Gator Financial Partners, LLCother entity161K5.0%2025-12-31
2026-01-2013G/Ano. 1Gator Capital Long/Short Fundinvestment company25K0.8%2025-12-31
2026-01-2013G/Ano. 1ECA Fund, LPpartnership15K0.5%2025-12-31
2026-01-2013G/Ano. 1Gator Qualified Partners, LLCother entity3K0.1%2025-12-31

13F holders

Tracked managers holding CBNA at their latest 13F. JSON

2 of the 30 tracked managers held CBNA at their latest 13F, $1.1M in total at quarter-end prices. Renaissance Technologies is the largest at $723K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 0 cut.

FundQuarterSharesValueOf portfolioChange in shares
Renaissance Technologies2026-06-3017K$723K0.00%+2K
Citadel Advisors2026-06-309K$370K0.00%new

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

Chain Bridge Bancorp in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows Chain Bridge Bancorp (CBNA), SEC CIK 1392272, listed on NYSE. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest
FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-09-30.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-08-13.JSON and CSV
Planned sales
SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-03-03.JSON and CSV
Large holders
SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-07-20.JSON and CSV
13F holders
SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Earnings dates
SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-07-28.JSON and CSV
Insider trades
SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-07-29.JSON and CSV
Company record
EDGAR filing index for CIK 1392272Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits
10 requests a minute without a key, 30 with a free key from a free account.

How to read it

  • Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
  • Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
  • Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Datasets

Frequently Asked Questions

How much of CBNA is sold short?
162,939 shares were held short at the 2026-09-30 settlement, 8.2 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is CBNA's daily short volume?
On 2026-10-23, 2,216 of the 3,169 CBNA shares reported to FINRA were sold short, 69.9% of the day's reported volume. Short volume is a flow for one day, not a position.
Does CBNA have fails to deliver?
The SEC's latest file shows 3 CBNA shares failed to deliver at settlement 2026-08-13. Fails are reported per settlement date and published twice a month with a lag.
Are CBNA insiders buying or selling?
Insiders at CBNA reported 1 open-market buy worth $18K in the last 90 days and no open-market sells. Latest filing: MARTINELLI MARK (Director) on 2026-07-29.
Have CBNA insiders filed to sell?
1 Form 144 notice on file for CBNA worth $70K at the prices reported; 0 in the last 90 days worth $0. Latest: Thompson-Byas Benita filed on 2026-03-03 to sell 2,000 shares ($70K) from 2026-03-03.
Who owns 5% or more of CBNA?
18 holders report 5% or more of CBNA in their latest filing, 13 on Schedule 13D (active intent). The largest reported stake is FITZGERALD PETER G at 23.8% of the class (1,027,820 shares), filed 2026-02-02 for an event on 2026-01-28.
Which tracked 13F managers own CBNA?
2 of the 30 tracked 13F managers held CBNA shares at their latest filing, $1.1M in all. The largest: Renaissance Technologies (17K shares, $723K), Ken Griffin's Citadel Advisors (9K shares, $370K).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.