InsidersTradesSigma
Total declarations
Companies
▲ Purchases (3 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
3
Disclosed sells
1
T+90 hit rate
50%
T+90 mean return
+6.1%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Sheahan Denis K, Director. Officer active across 2 companies, notably Cambridge Bancorp. Cumulatively, 17 disclosures have been recorded. Breakdown: 3 buys · 1 sell. Total volume traded: €513k. Activity tracked since 21 January 2022. The latest transaction was filed on 3 March 2026 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Sheahan Denis K
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations17 total
34,065 shares0Common StockSEC:0001193125-26-094389:0
1 shares@ US$13.850.0% of flowCommon StockSEC:0001193125-26-088960:0
8,606 shares0Common StockSEC:0001193125-25-196249:0
29,762 shares@ US$16.71100.0% of flowCommon StockSEC:0001193125-25-188694:0
Canonical exit: 23 Nov 2025 (T+90)
8,799 sharesCommon StockSEC:0001062993-24-013782:0
816 shares0Common StockSEC:0001593968-24-000473:0
336 shares@ US$68.393.4% of flowCommon StockSEC:0001593968-24-000317:0
1,044 shares0Common StockSEC:0001593968-23-000793:0
500 shares@ US$46.9043.4% of flowCommon StockSEC:0001593968-23-000707:0
Canonical exit: 31 Jul 2023 (T+90)
6,970 shares0Common StockSEC:0001593968-23-000701:0
1,000 shares@ US$68.0010.1% of flowCommon StockSEC:0001593968-23-000477:0
Canonical exit: 12 Jun 2023 (T+90)
4,723 shares@ US$74.0352.6% of flowCommon StockSEC:0001593968-23-000455:0
624 shares@ US$84.037.8% of flowCommon StockSEC:0001593968-23-000330:0
439 shares@ US$83.085.3% of flowCommon StockSEC:0001593968-23-000188:0
5,473 shares0Common StockSEC:0001593968-22-000737:0
289 shares@ US$88.183.9% of flowCommon StockSEC:0001593968-22-000498:0
397 shares@ US$92.005.6% of flowCommon StockSEC:0001593968-22-000298:0
17 of 17 declarations
About Sheahan Denis K
SHEAHAN DENIS K is Administrateur. He has 17 filings in total, and in the recent filings held, buys total 512748 EUR and sells total 12 EUR, with filings dated from 2022-01-25 to 2026-03-05. The listed companies are Cambridge Bancorp, where he is Chairman and CEO, and Eastern Bankshares, Inc., where he is Chief Executive Officer.
