KUPINSKY STUART sold MRCY
September 21, 2026 · Form 4 insider transaction
KUPINSKY STUART sold 1,000 shares of Mercury Systems, Inc. at $86.52 per share, a transaction worth $86.5K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
1,000
Price
$86.52
Total value
$86.5K
InsiderKUPINSKY STUART
Role—
CompanyMercury Systems, Inc. (MRCY)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 21, 2026
Filing dateSeptember 23, 2026
Shares owned after60,971
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.