// company-profile

Mercury Systems Inc

MRCY
ExchangeNasdaqSectorElectronic Components & AccessoriesInc.MAFilings134Insiders22
// api This Mercury Systems Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $923K across 2 transactions.

// 90-day insight

Over the last 90 days, Mercury Systems Inc insiders bought $0 (1 transaction) and sold $2.0M (5 transactions).

  • Most active insider: LANCE HOWARD L with 2 transactions totaling $923K.
  • Largest single sale: $800K by LANCE HOWARD L on May 26, 2026.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Mercury Systems Inc as of 2026-03-31

↑ increasing
Total reported AUM
$4.13B
QoQ change
+9.5%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$468.8M
6.4M shares
#2
JANA Partners Management, LP
CIK 1998597
$299.5M
4.1M shares
#3
STATE STREET CORP
CIK 93751
$281.8M
3.9M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
May 26, 2026LANCE HOWARD LMRCY
Sale
8,000$99.95$800K
May 26, 2026LANCE HOWARD LMRCY
Sale
1,250$98.50$123K
May 12, 2026Carvalho Orlando DMRCY
Sale
7,000$89.36$626K
May 11, 2026Ratner StevenMRCY
Sale
2,000$92.46$185K
Apr 16, 2026Nearhos Barry RMRCY
Award
245$0.00$0K

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.