InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Jacobstein David M, Director. Insider active across 2 companies, notably Corporate Office Properties Trust. Aggregated, 13 disclosures have been recorded. Breakdown: 1 buy · 1 sell. Total volume traded: €114k. History available since 4 June 2021. The latest transaction was filed on 1 May 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Jacobstein David M
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations13 total
4,987 shares0Common StockSEC:0001191856-26-000002:0
1,500 shares@ US$16.28100.0% of flowCommon StockSEC:0000950170-25-069197:0
Canonical exit: 6 Aug 2025 (T+90)
6,263 shares0Common StockSEC:0000950170-25-062777:0
6,883 shares0Common StockSEC:0000950170-24-053075:0
6,254 shares0Common StockSEC:0001209191-23-027993:0
561 shares0Common StockSEC:0001209191-22-041220:0
4,629 shares0Common StockSEC:0001209191-22-031060:0
1,375 shares0Common StockSEC:0001209191-22-023117:0
1,207 shares0Common StockSEC:0001209191-22-001782:0
1,207 shares0Common StockSEC:0001209191-21-058500:0
1,280 shares0Common StockSEC:0001209191-21-045057:0
4,000 shares@ US$28.0703100.0% of flowCommon SharesSEC:0001179110-21-006438:0
3,416 sharesCommon SharesSEC:0001179110-21-005429:0
13 of 13 declarations
About Jacobstein David M
David M. Jacobstein serves as a Board Member at Corporate Office Properties Trust and Broadstone Net Lease, Inc. He is responsible for overseeing the operations and strategy of both companies. His expertise in commercial real estate allows him to contribute to growth and innovation.
