InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Explore the full record of transactions filed by Elsey R Don. Insider active across 2 companies, notably OPGEN INC. In total, 5 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.
Companies and markets linked to Elsey R Don
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations5 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
5 of 5 declarations
About Elsey R Don
Elsey R Don is a declarant and appears in 6 filings in total. The sampled recent filings cover the period from 2021-06-10 to 2025-08-26, with transaction nature shown as Attribution and buy and sell amounts of EUR 0 in this sample. He is listed as Director at OPGEN INC and at BullFrog AI Holdings, Inc.
