Senior insider sale
EVP, CLO & Corp Sec at MERCURY SYSTEMS INC — senior position signals high conviction
$575.5K
5.68K shares
What this filing means
KUPINSKY STUART plans to sell 5.68K shares of MERCURY SYSTEMS INC valued at approximately $575.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 9/21/2026ACC: 0001959173-26-007052
Officer· EVP, CLO & Corp Sec
Since Feb 2026
5.68K
Shares to sell
$575.5K
Approx. market value
1K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Restricted Stock Vesting
Compensation
2/15/2025
1KTotal acquired1K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/15/2025 | Restricted Stock Vesting Compensation | 1K | — |
| Total | 1K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
1K
Market value
$95.2K
8/21/2026
—Completed
Units to sell
1.31K
Market value
$131.2K
8/19/2026
—Completed
Units to sell
1.18K
Market value
$131.2K
8/18/2026
—Completed
Units to sell
1.20K
Market value
$131.4K
8/17/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
1K
Market value
$86.5K
9/21/2026
Total
Units
5.68K
Value
$575.5K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/21/2026 | 1K | $95.2K | — | Completed |
8/19/2026 | 1.31K | $131.2K | — | Completed |
8/18/2026 | 1.18K | $131.2K | — | Completed |
8/17/2026 | 1.20K | $131.4K | — | Completed |
| Planned — Approximate Date | ||||
9/21/2026 | 1K | $86.5K | NASDAQ | Planned |
| Total | 5.68K | $575.5K | ||