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Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Latest filing published 27 Jun 2025 for KOPIN CORP.
Insider track record
Disclosed buys
0
Disclosed sells
6
T+90 hit rate
0%
T+90 mean return
-13.1%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
David J. Nieuwsma: trading record in brief
Filings by David J. Nieuwsma span 2 companies, the busiest being Rockwell Collins Inc and Kopin Corp. The record holds 27 filings, for trades running from 14 November 2016 to 26 June 2025.
No open-market purchase appears, only 6 sales worth €2.4M. Besides market trades, the filings include 11 share grants and 8 option exercises.
On 27 June 2025 came the latest disclosure, a share grant in Kopin Corp. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to David J. Nieuwsma
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations3 total
64,500 shares0Common StockSEC:0001641172-25-016877:0
64,500 shares0Common StockSEC:0001493152-24-023336:0
64,500 shares0Common StockSEC:0001493152-23-040512:0
3 of 3 declarations
