Loading
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (8 ops.)
Latest filing published 23 Sept 2026 for Mercury Systems INC, €75k. Read the official filing
Filing timeline
BuySaleStuart Kupinsky
Insider track record
Disclosed buys
0
Disclosed sells
8
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Stuart Kupinsky: trading record in brief
Stuart Kupinsky appears in our data through filings on Mercury Systems Inc shares, published by SEC (Form 4). Between 15 February 2024 and 21 September 2026, the trades on record add up to 14 filings.
No open-market purchase appears, only 8 sales worth €825k. Outside the open market, there are 5 share grants. 2026 to date brings no purchases and 6 sales.
The latest filing, published on 23 September 2026, reports an open-market sale of €75k in Mercury Systems Inc. The median gap between a trade and its publication by SEC (Form 4) is 3 days. The legal deadline for a Form 4 is two business days after the transaction. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Stuart Kupinsky
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations14 total
1,000 shares@ US$86.52Common StockSEC:0001049521-26-000083:0
5,619 shares0Common StockSEC:0001049521-26-000070:0
1,000 shares@ US$95.23Common StockSEC:0001049521-26-000061:0
1,308 shares@ US$100.306Common StockSEC:0001049521-26-000057:0
1,195 shares@ US$109.95090.0021% mcap14.5% of flowCommon StockSEC:0001049521-26-000052:0
1,178 shares@ US$111.35770.0021% mcap14.5% of flowCommon StockSEC:0001049521-26-000052:1
6,977 shares0Common StockSEC:0001049521-26-000048:0
2,287 shares@ US$83.555449.1% of flowCommon StockSEC:0001049521-26-000011:0
1,182 shares@ US$66.516340.2% of flowCommon StockSEC:0001127602-25-020796:0
9,865 shares0Common StockSEC:0001127602-25-020732:0
2,377 shares@ US$44.124100.0% of flowCommon StockSEC:0001127602-25-005557:0
15,657 shares0Common StockSEC:0001127602-24-024185:0
15,657 shares0Common StockSEC:0001127602-24-022525:0
22,299 shares0Common StockSEC:0001127602-24-005827:0
14 of 14 declarations
