RATNER STEVEN

PrivateCIK: 1995110
Location

ANDOVER, MA

Senior insider sale

EVP, CHRO at MERCURY SYSTEMS INC — senior position signals high conviction

$996.3K

10.27K shares

What this filing means

RATNER STEVEN plans to sell 10.27K shares of MERCURY SYSTEMS INC valued at approximately $996.3K. 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.

InsiderRATNER STEVENCIK 1995110
IssuerMERCURY SYSTEMS INCCIK 1049521
Officer· EVP, CHRO
Since Sep 2023
10.27K
Shares to sell
$996.3K
Approx. market value
4K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months3
Sort

Restricted Stock Vesting

Compensation

8/17/2026
700.00

Restricted Stock Vesting

Compensation

8/14/2026
1.12K

Restricted Stock Vesting

Compensation

8/18/2025
2.18K
Total acquired4K
Planned & Completed Dispositions5
Sort

Completed

Completed

Units to sell

1.03K

Market value

$100.2K

8/20/2026
Completed

Units to sell

2.19K

Market value

$219.4K

8/19/2026
Completed

Units to sell

1.97K

Market value

$219.5K

8/18/2026
Completed

Units to sell

1.08K

Market value

$119.2K

8/17/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

4K

Market value

$338.0K

9/3/2026
Total

Units

10.27K

Value

$996.3K