KUPINSKY STUART

PrivateCIK: 1289593
Location

ANDOVER, MA

Senior insider sale

EVP, CLO & Corp Sec at MERCURY SYSTEMS INC — senior position signals high conviction

$393.8K

3.68K shares

What this filing means

KUPINSKY STUART plans to sell 3.68K shares of MERCURY SYSTEMS INC valued at approximately $393.8K. 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.

InsiderKUPINSKY STUARTCIK 1289593
IssuerMERCURY SYSTEMS INCCIK 1049521
Officer· EVP, CLO & Corp Sec
Since Feb 2026
3.68K
Shares to sell
$393.8K
Approx. market value
1.31K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Vesting

Compensation

8/18/2026
1.31K
Total acquired1.31K
Planned & Completed Dispositions3
Sort

Completed

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

1.31K

Market value

$131.2K

8/19/2026
Total

Units

3.68K

Value

$393.8K