KUPINSKY STUART sold MRCY
October 21, 2026 · Form 4 insider transaction
KUPINSKY STUART sold 1,000 shares of Mercury Systems, Inc. at $76.00 per share, a transaction worth $76.0K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,000
Price
$76.00
Total value
$76.0K
InsiderKUPINSKY STUART
Role—
CompanyMercury Systems, Inc. (MRCY)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 21, 2026
Filing dateOctober 26, 2026
Shares owned after59,971
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
Represents the sale of shares effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 7, 2026.