InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-19.8%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Elsey R Don. Insider active across 2 companies, notably OPGEN INC. In total, 6 filings have been logged. Activity tracked since 9 June 2021. The latest transaction was filed on 22 August 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations6 total
5,710 shares0Common StockSEC:0001641172-25-025525:0
2,813 shares0Common StockSEC:0001641172-25-025525:1
1,500 shares0Common StockSEC:0001079973-23-000850:0
15,000 shares0Common StockSEC:0001079973-22-000771:0
15,000 shares0Common StockSEC:0001079973-21-000506:0
15,000 shares0Common StockSEC:0001079973-21-000506
6 of 6 declarations
