Form 4: Mercury Systems Executive Sells Shares
Insider Transaction (Form 4)
Stuart Kupinsky, EVP, CLO & Corp Sec of Mercury Systems Inc, sold 1,000 shares of common stock on September 21, 2026 for $86.52 per share.
Summary
- Open-market sale: disposed of 1,000 Common Stock at $86.52 ($86,520) on September 21, 2026; holds 60,971 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $86,520 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Stuart Kupinsky — Officer (EVP, CLO & Corp Sec)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-21 | Open-market sale | Common Stock | 1,000 | $87 | $86.5K | 60,971 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-21 | Open-market sale (1,000 shares) |
Keywords
insider transaction, Form 4, MRCY, MERCURY SYSTEMS INC, bearish, Stuart Kupinsky
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