KUPINSKY STUART

PrivateCIK: 1289593
Location

ANDOVER, MA

KUPINSKY STUART (EVP, CLO & Corp Sec) sold 3.9% of their position (2.37K shares) of MERCURY SYSTEMS INC on the open market

Open‑market sale worth $262.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKUPINSKY STUARTCIK 1289593
IssuerMERCURY SYSTEMS INCCIK 1049521
Officer· EVP, CLO & Corp Sec
Since Feb 2026
-2.37K
Net shares
Net seller
$262.6K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
2.37K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

1.20K

Price / share

$109.95

Trade value

$131.39K

% of position

2.0%
8/17/2026
61.03K59.84K

Common Stock

Direct
S · Sale

Shares

1.18K

Price / share

$111.36

Trade value

$131.18K

% of position

2.0%
8/18/2026
59.84K58.66K
Total

Net shares

2.37K

Net value

-$262.57K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned1.23K
Total
1.23K indirect1.23K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported