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MRCYNasdaq
MERCURY SYSTEMS INC
Electronic Components & Accessories · MA · CIK 1049521
Mercury Systems delivers mission-critical processing to the edge for aerospace and defense challenges
$7.22B
Market cap
$110.22
Last close
+0.8%
1D
-1.4%
5D
703K
Volume
Price · last 39 sessions+40.4%
May 4L $78.53 · H $120.30Jun 29
264
Total filings
May 5, 2026
Last filing
06/30
Fiscal year end
10-Q10-QMay 5, 20268-KResults of OperationsMay 5, 2026SC 13D/ASC 13D/AMar 4, 202610-Q10-QFeb 3, 20268-KResults of OperationsFeb 3, 202610-Q10-QNov 4, 20258-KMaterial Agreement · Results of OperationsNov 4, 20258-KExecutive Change · Shareholder VoteOct 28, 2025DEF 14ADEF 14ASep 10, 202510-K10-KAug 11, 20258-KResults of OperationsAug 11, 202510-Q10-QMay 6, 20258-KResults of OperationsMay 6, 20258-KExecutive Change · Results of OperationsApr 1, 202510-Q10-QFeb 4, 20258-KResults of Operations · Exit / Disposal CostsFeb 4, 20258-KExecutive Change · Reg FD DisclosureJan 6, 202510-Q10-QNov 5, 20248-KResults of OperationsNov 5, 20248-KExecutive Change · Shareholder VoteOct 28, 2024DEF 14ADEF 14ASep 12, 202410-K10-KAug 13, 20248-KMaterial Agreement · Results of OperationsAug 13, 20248-KExit / Disposal Costs · Reg FD DisclosureJun 18, 202410-Q10-QMay 7, 20248-KResults of OperationsMay 7, 20248-KExecutive Change · Reg FD DisclosureFeb 8, 202410-Q10-QFeb 6, 20248-KResults of OperationsFeb 6, 2024SC 13GSC 13GJan 24, 20248-KExecutive Change · Exit / Disposal CostsJan 17, 20248-KExecutive Change · Reg FD DisclosureNov 15, 202310-Q10-QNov 7, 20238-KMaterial Agreement · Results of OperationsNov 7, 20238-KExecutive Change · Shareholder VoteOct 31, 2023DEF 14ADEF 14ASep 21, 202310-K10-KAug 15, 20238-KExecutive Change · Results of OperationsAug 15, 20238-KExecutive ChangeJul 20, 20238-KExecutive Change · Material AgreementJul 7, 2023SC 13DMERCURY SYSTEMS INCJul 6, 20238-KExecutive Change · Reg FD DisclosureJun 29, 20238-KExecutive Change · Reg FD DisclosureJun 23, 202310-Q10-QMay 9, 20238-KResults of OperationsMay 2, 202310-Q10-QFeb 7, 20238-KExecutive Change · Results of OperationsJan 31, 202310-Q10-QNov 8, 20228-KResults of OperationsNov 1, 20228-KExecutive Change · Shareholder VoteOct 31, 20228-KBylaw AmendmentOct 28, 2022DEF 14ADEF 14ASep 8, 202210-K10-KAug 16, 20228-KReg FD DisclosureAug 10, 20228-KResults of OperationsAug 2, 20228-KExecutive Change · Material AgreementJun 24, 20228-KReg FD DisclosureJun 7, 202210-Q10-QMay 10, 20228-KResults of OperationsMay 3, 20228-KMaterial Agreement · New Debt / ObligationFeb 28, 202210-Q10-QFeb 8, 20228-KReg FD DisclosureFeb 8, 2022SC 13GSEC SCHEDULE 13GFeb 4, 20228-KResults of OperationsFeb 1, 2022SC 13GSC 13GJan 31, 2022SC 13GCONESTOGA CAPITAL ADVISORSJan 10, 20228-KMaterial Agreement · Security-Holder RightsDec 29, 2021SC 13DMERCURY SYSTEMS, INC.Dec 23, 20218-KReg FD DisclosureNov 29, 202110-Q10-QNov 9, 20218-KReg FD DisclosureNov 8, 20218-KResults of OperationsNov 2, 20218-KExecutive Change · Shareholder VoteNov 1, 20218-KReg FD DisclosureSep 27, 2021DEF 14ADEF 14ASep 9, 202110-K10-KAug 17, 20218-KReg FD DisclosureAug 4, 20218-KExecutive Change · Results of OperationsAug 3, 20218-KReg FD DisclosureMay 27, 202110-Q10-QMay 11, 2021
Insider Activity
In the 90 days to Mar 4, 2026: 4 sold $74.5M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 4, 2026 | Jana Partners Management, LpDirector,Other | Sell | 100,899 | $89.68 | $9.0M |
| Mar 3, 2026 | Jana Partners Management, LpDirector,Other | Sell | 168,648 | $90.12 | $15.2M |
| Mar 2, 2026 | Jana Partners Management, LpDirector,Other | Sell | 182,510 | $94.05 | $17.2M |
| Feb 25, 2026 | Lance Howard LDirector | Sell | 4,832 | $88.98 | $430K |
| Feb 17, 2026 | Kupinsky StuartEVP, CLO & Corp Sec | Sell | 2,287 | $83.56 | $191K |
| Feb 17, 2026 | Munro DouglasSVP, CAO | Sell | 582 | $83.56 | $49K |
| Feb 9, 2026 | Jana Partners Management, LpDirector,Other | Sell | 400,000 | $81.00 | $32.4M |
| Nov 12, 2025 | Munro DouglasSVP, CAO | Sell | 1,329 | $73.42 | $98K |
| Nov 7, 2025 | Plunkett Debora ADirector | Sell | 1,700 | $73.99 | $126K |
| Nov 6, 2025 | Jana Partners Management, LpDirector,Other | Sell | 1,000,000 | $75.45 | $75.5M |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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