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Mercury Systems Inc

MRCY
Exchange
Nasdaq
Industry
Electronic Components & Accessories
SEC CIK
0001049521

In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Mercury Systems Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
16 filings
5 insiders, $41.9M in total
Insiders trading
5
Net value
−$41.9M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Mercury Systems Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Mercury Systems Inc
NameTitleLast reported holdingLast filingFilings, past year
Kupinsky StuartEVP, CLO & Corp Sec60,971Sep 23, 20266
Ratner StevenEVP, CHRO33,646Sep 15, 20267
Munro DouglasSVP, CAO17,015Sep 15, 20264
Farnsworth David E.EVP, CFO148,293Sep 15, 20264
Ballhaus William LChairman, President & CEO324,782Sep 15, 20265
Nearhos Barry RDirector31,494Jul 20, 20265
Lance Howard LDirector0IndirectMay 27, 20263
Carvalho Orlando DDirector52,448May 13, 20262
JANA Partners Management, LPDirector, Other: See Remarks4,114,618IndirectMar 4, 20264
Plunkett Debora ADirector16,833Nov 10, 20252
Bua Jean ADirector7,815Oct 24, 20251
Demuro Gerard JDirector17,481Oct 24, 20251
Disbrow Lisa SDirector31,236Oct 24, 20251
Wells Charles Roger IVEVP, COO95,928Feb 19, 20250
Krone Roger ADirector15,311Oct 25, 20240
Georges StephanieEVP, CCO33,599Sep 18, 20240
McCarthy Michelle MSVP, CAO32,724Dec 21, 20230
Couture AllenEVP, Execution Excellence65,222Oct 19, 20230
Stevison James MitchEVP, President Mission Systems86,385Oct 17, 20230
Cambria Christopher CEVP, Gen Counsel & Secretary135,721Sep 26, 20230
Jana Partners LLCDirector, Other: See Remarks4,711,386IndirectAug 22, 20230
Harbison Christine FoxEVP and Chief Growth Officer52,220Aug 21, 20230
Aslett MarkPresident and CEO508,858Feb 23, 20230
Huber ThomasEVP Chief Transformation Offic66,489Feb 23, 20230
Ruppert MichaelEVP, CFO and Treasurer202,553Feb 21, 20230
Obrien William KDirector13,100Oct 28, 20220
Krakauer Mary LDirector19,360Oct 28, 20220
Perry Brian EEVP, President Processing87,913Aug 22, 20220
Bass JamesDirector67,634Oct 29, 20210
Daniels Michael ADirector81,366Oct 29, 20210
Thibaud Didier M CEVP, COO245,917Aug 18, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 13, 2026 (view filing)May 121 dayCarvalho Orlando DDirectorSSale−7.00K$89.36−$625.5K−11.8%52.4K after
May 27, 2026 (view filing)May 261 dayLance Howard LDirectorSSale−9.25K$99.75−$922.7K−100.0%0 after2 lots
Aug 19, 2026 (view filing)6:24 PM ETAug 17-182 daysBallhaus William LChairman, President & CEOSSale−27.7K$111.18−$3.08M−9.1%277.0K afterFrom original2 lots
Aug 19, 2026 (view filing)6:25 PM ETAug 17-182 daysFarnsworth David E.EVP, CFOSSale−8.69K$111.14−$966.0K−6.1%132.7K afterFrom original2 lots
Aug 19, 2026 (view filing)6:26 PM ETAug 17-182 daysKupinsky StuartEVP, CLO & Corp SecSSale−2.37K$110.65−$262.6K−3.9%58.7K afterFrom original2 lots
Aug 19, 2026 (view filing)6:29 PM ETAug 17-182 daysRatner StevenEVP, CHROSSale−3.06K$110.86−$338.7K−10.3%26.5K afterFrom original2 lots
Aug 19, 2026 (view filing)6:31 PM ETAug 17-182 daysMunro DouglasSVP, CAOSSale−898$110.72−$99.4K−6.2%13.6K afterFrom original2 lots
Aug 21, 2026 (view filing)4:47 PM ETAug 19-202 daysBallhaus William LChairman, President & CEOSSale−48.8K$99.12−$4.84M−17.6%228.2K after2 lots
Aug 21, 2026 (view filing)4:49 PM ETAug 19-202 daysFarnsworth David E.EVP, CFOSSale−14.8K$99.13−$1.46M−11.1%118.0K after2 lots
Aug 21, 2026 (view filing)4:50 PM ETAug 192 daysKupinsky StuartEVP, CLO & Corp SecSSale−1.31K$100.31−$131.2K−2.2%57.4K after
Aug 21, 2026 (view filing)4:51 PM ETAug 19-202 daysRatner StevenEVP, CHROSSale−3.21K$99.47−$319.6K−12.1%23.3K after2 lots
Aug 21, 2026 (view filing)4:52 PM ETAug 19-202 daysMunro DouglasSVP, CAOSSale−657$99.87−$65.6K−4.8%13.0K after2 lots
Aug 25, 2026 (view filing)5:53 PM ETAug 21-244 daysBallhaus William LChairman, President & CEOSSale−173.2K$90.59−$15.7M−36.6%299.8K after4 lots
Aug 25, 2026 (view filing)5:54 PM ETAug 214 daysKupinsky StuartEVP, CLO & Corp SecSSale−1.00K$95.23−$95.2K−1.7%56.4K after10b5-1
Aug 25, 2026 (view filing)6:00 PM ETAug 214 daysRatner StevenEVP, CHROSSale−356$91.36−$32.5K−100.0%0 after
Aug 27, 2026 (view filing)4:54 PM ETAug 25-262 daysBallhaus William LChairman, President & CEOSSale−160.2K$87.72−$14.1M−30.7%361.8K after4 lots
Sep 8, 2026 (view filing)9:46 PM ETSep 35 daysRatner StevenEVP, CHROSSale−4.00K$84.51−$338.0K−17.2%19.3K after
Sep 23, 2026 (view filing)5:37 PM ETSep 212 daysKupinsky StuartEVP, CLO & Corp SecSSale−1.00K$86.52−$86.5K−1.6%61.0K after10b5-1