Stuart Kupinsky sold $87k of MRCY
EVP, CLO & Corp Sec at MERCURY SYSTEMS INC. 1,000 shares at an average of $86.52, traded Sep 21, 2026, filed Sep 23, 2026.
Score components
- +15RoleOfficer
- +9Trade size$87k at market
- 0Share of holdings soldSold 1.6% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001049521-26-000083, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 21, 2026 | SOpen-market sale Common Stock10b5-1 | -1,000 | $86.52 | $87k | 60,971 | 19 d ago |
Related signals
Other insiders at MERCURY SYSTEMS INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 35Weak | MRCYsell MERCURY SYSTEMS INC | Steven Ratner EVP, CHRO | $338k 4,000 shares | -17% | |
| 15Weak | MRCYsell MERCURY SYSTEMS INC | Douglas Munro VP, CAO | $4,918 67 shares | -0% | |
| 52Moderate | MERCURY SYSTEMS INC | Steven Ratner EVP, CHRO | $446k 7,000 shares | -17% | |
| 65Notable | MERCURY SYSTEMS INC | William L Ballhaus Chairman, President & CEO | $1.5M 23,445 shares | -6% | |
| 62Notable | MERCURY SYSTEMS INC | David E. Farnsworth EVP, CFO | $976k 14,911 shares | -8% | |
| 41Moderate | MERCURY SYSTEMS INC | Stuart Kupinsky EVP, CLO & Corp Sec | $157k 2,402 shares | -3% | |
| 42Moderate | MERCURY SYSTEMS INC | Steven Ratner EVP, CHRO | $224k 3,416 shares | -8% | |
| 37Weak | MERCURY SYSTEMS INC | Douglas Munro VP, CAO | $48k 739 shares | -4% | |
| 60Notable | MERCURY SYSTEMS INC | JANA Partners Management, LP director, other | $52M 797,000 shares | -12% | |
| 25Weak | MRCYsell MERCURY SYSTEMS INC | Steven Ratner EVP, CHRO | $98k 1,839 shares | -5% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.