MERCURY SYSTEMS INC (MRCY) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-05-27

MERCURY SYSTEMS INC (MRCY) has filed 5 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-27. 1 Form 8-K material event filings were reported by MRCY in the last 90 days. 2 Form 144 notices of proposed sale were filed for MRCY stock. InsiderAlpha tracks every MRCY SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About MERCURY SYSTEMS INC (MRCY)

SEC CIK0001049521

90-Day SEC Filing Activity

Form 4 filings (90d)5
Form 8-K filings (90d)1
Form 144 notices (90d)2
Latest Form 4 filing2026-05-27

Recent MRCY Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
LANCE HOWARD LDirectorS — Open-market sale1.2K$98.50$123KSEC
LANCE HOWARD LDirectorS — Open-market sale8.0K$99.95$800KSEC
Carvalho Orlando DDirectorS — Open-market sale7.0K$89.36$626KSEC
Ratner StevenEVP, CHROS — Open-market sale2.0K$92.46$185KSEC
Farnsworth David E.EVP, CFOS — Open-market sale3.6K$84.87$308KSEC
Nearhos Barry RDirectorA — Grant or award245$0.00SEC
Ratner StevenEVP, CHROA — Grant or award437$0.00SEC
JANA Partners Management, LPDirectorS — Open-market sale100.9K$89.68$9.05MSEC
JANA Partners Management, LPDirectorS — Open-market sale168.6K$90.12$15.20MSEC
JANA Partners Management, LPDirectorS — Open-market sale182.5K$94.05$17.17MSEC
LANCE HOWARD LDirectorS — Open-market sale4.8K$88.98$430KSEC
Munro DouglasSVP, CAOS — Open-market sale582$83.56$49KSEC
KUPINSKY STUARTEVP, CLO & Corp SecS — Open-market sale2.3K$83.56$191KSEC
JANA Partners Management, LPDirectorS — Open-market sale400.0K$81.00$32.40MSEC
Nearhos Barry RDirectorA — Grant or award474$0.00SEC

All transactions sourced from SEC EDGAR Form 4 filings for MERCURY SYSTEMS INC (MRCY). Updated in real time as new filings are submitted to the SEC.

Most-Active MRCY Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
LANCE HOWARD L2$923K
Nearhos Barry R1
Farnsworth David E.1$308K
Ratner Steven1$185K
Carvalho Orlando D1$626K

Recent MRCY Form 8-K Material Events

Recent MRCY Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MRCY insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

MRCY Insider Trading — FAQ

What is the latest insider trade for MRCY?
MERCURY SYSTEMS INC (MRCY) had 5 insider filings in the last 90 days, with the most recent on 2026-05-27. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying MRCY stock?
0 insider purchases of MRCY were filed in the last 90 days.
How many insiders are selling MRCY stock?
0 insider sales of MRCY were filed in the last 90 days.
Where can I see MRCY SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every MRCY SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live MRCY dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.