KUPINSKY STUART

PrivateCIK: 1289593
Location

ANDOVER, MA

KUPINSKY STUART (EVP, CLO & Corp Sec) sold 1.6% of their position (1K shares) of MERCURY SYSTEMS INC on the open market

Open‑market sale worth $86.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKUPINSKY STUARTCIK 1289593
→
IssuerMERCURY SYSTEMS INCCIK 1049521
Officer· EVP, CLO & Corp Sec
Since Feb 2026
-1K
Net shares
Net seller
$86.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
1K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

−1K

Price / share

$86.52

Trade value

$86.52K

% of position

1.6%
9/21/2026
61.97K→60.97K
Total

Net shares

−1K

Net value

-$86.52K

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

Common Stock

Indirect
Shares owned1.28K
Total
1.28K indirect1.28K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KUPINSKY STUART — Insider Transaction (Form 4) Filed Sep 23, 2026 | Finecho