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MRCY insider trading — Mercury Systems Inc

Over the last 90 days, insiders at Mercury Systems Inc (MRCY) made 0 open-market purchases worth $0 and 25 open-market sales worth $41.67M, making them net sellers by $41.67M. The largest sale was by Ballhaus William L (Chairman, President & CEO), who sold 108,209 shares for $9.68M on Aug 24, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$41.67M
Net · 90d
−$41.67M
Last 30 days
0B / 0S

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Recent MRCY insider transactions

Every Form 4 filed by Mercury Systems Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Sep 21, 2026Kupinsky StuartEVP, CLO & Corp SecS · Sale · 10b5-1Direct1,000$86.52$87KForm 4
Sep 3, 2026Ratner StevenEVP, CHROS · SaleDirect4,000$84.51$338KForm 4
Aug 26, 2026Ballhaus William LChairman, President & CEOM · Option exerciseDirect68,476$43.00$2.94MForm 4
Aug 26, 2026Ballhaus William LChairman, President & CEOS · SaleDirect49,090$89.10$4.37MForm 4
Aug 25, 2026Ballhaus William LChairman, President & CEOM · Option exerciseDirect153,676$43.00$6.61MForm 4
Aug 25, 2026Ballhaus William LChairman, President & CEOS · SaleDirect111,076$87.12$9.68MForm 4
Aug 21, 2026Ratner StevenEVP, CHROS · SaleIndirect356$91.36$33KForm 4
Aug 21, 2026Kupinsky StuartEVP, CLO & Corp SecS · Sale · 10b5-1Direct1,000$95.23$95KForm 4
Aug 24, 2026Ballhaus William LChairman, President & CEOM · Option exerciseDirect151,998$42.07$6.40MForm 4
Aug 24, 2026Ballhaus William LChairman, President & CEOS · SaleDirect108,209$89.50$9.68MForm 4
Aug 21, 2026Ballhaus William LChairman, President & CEOM · Option exerciseDirect92,850$42.00$3.90MForm 4
Aug 21, 2026Ballhaus William LChairman, President & CEOS · SaleDirect65,000$92.41$6.01MForm 4
Aug 20, 2026Munro DouglasSVP, CAOS · SaleDirect109$97.67$11KForm 4
Aug 19, 2026Munro DouglasSVP, CAOS · SaleDirect548$100.31$55KForm 4
Aug 20, 2026Ratner StevenEVP, CHROS · SaleDirect1,026$97.67$100KForm 4
Aug 19, 2026Ratner StevenEVP, CHROS · SaleDirect2,187$100.31$219KForm 4
Aug 19, 2026Kupinsky StuartEVP, CLO & Corp SecS · SaleDirect1,308$100.31$131KForm 4
Aug 20, 2026Farnsworth David E.EVP, CFOS · SaleDirect6,612$97.67$646KForm 4
Aug 19, 2026Farnsworth David E.EVP, CFOS · SaleDirect8,155$100.31$818KForm 4
Aug 20, 2026Ballhaus William LChairman, President & CEOS · SaleDirect22,010$97.67$2.15MForm 4
Aug 19, 2026Ballhaus William LChairman, President & CEOS · SaleDirect26,802$100.31$2.69MForm 4
Aug 18, 2026Munro DouglasSVP, CAOS · SaleDirect494$111.36$55KForm 4
Aug 17, 2026Munro DouglasSVP, CAOS · SaleDirect404$109.95$44KForm 4
Aug 18, 2026Ratner StevenEVP, CHROS · SaleDirect1,971$111.36$219KForm 4
Aug 17, 2026Ratner StevenEVP, CHROS · SaleDirect1,084$109.95$119KForm 4
Aug 18, 2026Kupinsky StuartEVP, CLO & Corp SecS · SaleDirect1,178$111.36$131KForm 4
Aug 17, 2026Kupinsky StuartEVP, CLO & Corp SecS · SaleDirect1,195$109.95$131KForm 4
Aug 18, 2026Farnsworth David E.EVP, CFOS · SaleDirect7,347$111.36$818KForm 4
Aug 17, 2026Farnsworth David E.EVP, CFOS · SaleDirect1,345$109.95$148KForm 4
Aug 18, 2026Ballhaus William LChairman, President & CEOS · SaleDirect24,144$111.36$2.69MForm 4
Aug 17, 2026Ballhaus William LChairman, President & CEOS · SaleDirect3,536$109.95$389KForm 4
Aug 14, 2026Ratner StevenEVP, CHROD · DispositionDirect2,695——Form 4
Aug 14, 2026Kupinsky StuartEVP, CLO & Corp SecD · DispositionDirect6,977——Form 4
Aug 14, 2026Farnsworth David E.EVP, CFOD · DispositionDirect16,275——Form 4
Aug 14, 2026Ballhaus William LChairman, President & CEOD · DispositionDirect70,287——Form 4
Jul 16, 2026Nearhos Barry RDirectorA · Grant/awardDirect170——Form 4

MRCY insider trading FAQ

Are insiders buying MRCY stock?

Not on the open market. In the last 90 days, Mercury Systems Inc insiders made no open-market purchases, and 25 open-market sales totaling $41.67M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading MRCY?

Recent sellers: Ballhaus William L, Farnsworth David E., Kupinsky Stuart, Munro Douglas, Ratner Steven.

Where does MRCY insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.