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.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kupinsky Stuart | EVP, CLO & Corp Sec | 60,971 | Sep 23, 2026 | 6 |
| Ratner Steven | EVP, CHRO | 33,646 | Sep 15, 2026 | 7 |
| Munro Douglas | SVP, CAO | 17,015 | Sep 15, 2026 | 4 |
| Farnsworth David E. | EVP, CFO | 148,293 | Sep 15, 2026 | 4 |
| Ballhaus William L | Chairman, President & CEO | 324,782 | Sep 15, 2026 | 5 |
| Nearhos Barry R | Director | 31,494 | Jul 20, 2026 | 5 |
| Lance Howard L | Director | 0Indirect | May 27, 2026 | 3 |
| Carvalho Orlando D | Director | 52,448 | May 13, 2026 | 2 |
| JANA Partners Management, LP | Director, Other: See Remarks | 4,114,618Indirect | Mar 4, 2026 | 4 |
| Plunkett Debora A | Director | 16,833 | Nov 10, 2025 | 2 |
| Bua Jean A | Director | 7,815 | Oct 24, 2025 | 1 |
| Demuro Gerard J | Director | 17,481 | Oct 24, 2025 | 1 |
| Disbrow Lisa S | Director | 31,236 | Oct 24, 2025 | 1 |
| Wells Charles Roger IV | EVP, COO | 95,928 | Feb 19, 2025 | 0 |
| Krone Roger A | Director | 15,311 | Oct 25, 2024 | 0 |
| Georges Stephanie | EVP, CCO | 33,599 | Sep 18, 2024 | 0 |
| McCarthy Michelle M | SVP, CAO | 32,724 | Dec 21, 2023 | 0 |
| Couture Allen | EVP, Execution Excellence | 65,222 | Oct 19, 2023 | 0 |
| Stevison James Mitch | EVP, President Mission Systems | 86,385 | Oct 17, 2023 | 0 |
| Cambria Christopher C | EVP, Gen Counsel & Secretary | 135,721 | Sep 26, 2023 | 0 |
| Jana Partners LLC | Director, Other: See Remarks | 4,711,386Indirect | Aug 22, 2023 | 0 |
| Harbison Christine Fox | EVP and Chief Growth Officer | 52,220 | Aug 21, 2023 | 0 |
| Aslett Mark | President and CEO | 508,858 | Feb 23, 2023 | 0 |
| Huber Thomas | EVP Chief Transformation Offic | 66,489 | Feb 23, 2023 | 0 |
| Ruppert Michael | EVP, CFO and Treasurer | 202,553 | Feb 21, 2023 | 0 |
| Obrien William K | Director | 13,100 | Oct 28, 2022 | 0 |
| Krakauer Mary L | Director | 19,360 | Oct 28, 2022 | 0 |
| Perry Brian E | EVP, President Processing | 87,913 | Aug 22, 2022 | 0 |
| Bass James | Director | 67,634 | Oct 29, 2021 | 0 |
| Daniels Michael A | Director | 81,366 | Oct 29, 2021 | 0 |
| Thibaud Didier M C | EVP, COO | 245,917 | Aug 18, 2021 | 0 |
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 (view filing) | May 12 | 1 day | Carvalho Orlando DDirector | SSale | −7.00K | $89.36 | −$625.5K | −11.8%52.4K after | |
| May 27, 2026 (view filing) | May 26 | 1 day | Lance Howard LDirector | SSale | −9.25K | $99.75 | −$922.7K | −100.0%0 after | 2 lots |
| Aug 19, 2026 (view filing)6:24 PM ET | Aug 17-18 | 2 days | Ballhaus William LChairman, President & CEO | SSale | −27.7K | $111.18 | −$3.08M | −9.1%277.0K after | From original2 lots |
| Aug 19, 2026 (view filing)6:25 PM ET | Aug 17-18 | 2 days | Farnsworth David E.EVP, CFO | SSale | −8.69K | $111.14 | −$966.0K | −6.1%132.7K after | From original2 lots |
| Aug 19, 2026 (view filing)6:26 PM ET | Aug 17-18 | 2 days | Kupinsky StuartEVP, CLO & Corp Sec | SSale | −2.37K | $110.65 | −$262.6K | −3.9%58.7K after | From original2 lots |
| Aug 19, 2026 (view filing)6:29 PM ET | Aug 17-18 | 2 days | Ratner StevenEVP, CHRO | SSale | −3.06K | $110.86 | −$338.7K | −10.3%26.5K after | From original2 lots |
| Aug 19, 2026 (view filing)6:31 PM ET | Aug 17-18 | 2 days | Munro DouglasSVP, CAO | SSale | −898 | $110.72 | −$99.4K | −6.2%13.6K after | From original2 lots |
| Aug 21, 2026 (view filing)4:47 PM ET | Aug 19-20 | 2 days | Ballhaus William LChairman, President & CEO | SSale | −48.8K | $99.12 | −$4.84M | −17.6%228.2K after | 2 lots |
| Aug 21, 2026 (view filing)4:49 PM ET | Aug 19-20 | 2 days | Farnsworth David E.EVP, CFO | SSale | −14.8K | $99.13 | −$1.46M | −11.1%118.0K after | 2 lots |
| Aug 21, 2026 (view filing)4:50 PM ET | Aug 19 | 2 days | Kupinsky StuartEVP, CLO & Corp Sec | SSale | −1.31K | $100.31 | −$131.2K | −2.2%57.4K after | |
| Aug 21, 2026 (view filing)4:51 PM ET | Aug 19-20 | 2 days | Ratner StevenEVP, CHRO | SSale | −3.21K | $99.47 | −$319.6K | −12.1%23.3K after | 2 lots |
| Aug 21, 2026 (view filing)4:52 PM ET | Aug 19-20 | 2 days | Munro DouglasSVP, CAO | SSale | −657 | $99.87 | −$65.6K | −4.8%13.0K after | 2 lots |
| Aug 25, 2026 (view filing)5:53 PM ET | Aug 21-24 | 4 days | Ballhaus William LChairman, President & CEO | SSale | −173.2K | $90.59 | −$15.7M | −36.6%299.8K after | 4 lots |
| Aug 25, 2026 (view filing)5:54 PM ET | Aug 21 | 4 days | Kupinsky StuartEVP, CLO & Corp Sec | SSale | −1.00K | $95.23 | −$95.2K | −1.7%56.4K after | 10b5-1 |
| Aug 25, 2026 (view filing)6:00 PM ET | Aug 21 | 4 days | Ratner StevenEVP, CHRO | SSale | −356 | $91.36 | −$32.5K | −100.0%0 after | |
| Aug 27, 2026 (view filing)4:54 PM ET | Aug 25-26 | 2 days | Ballhaus William LChairman, President & CEO | SSale | −160.2K | $87.72 | −$14.1M | −30.7%361.8K after | 4 lots |
| Sep 8, 2026 (view filing)9:46 PM ET | Sep 3 | 5 days | Ratner StevenEVP, CHRO | SSale | −4.00K | $84.51 | −$338.0K | −17.2%19.3K after | |
| Sep 23, 2026 (view filing)5:37 PM ET | Sep 21 | 2 days | Kupinsky StuartEVP, CLO & Corp Sec | SSale | −1.00K | $86.52 | −$86.5K | −1.6%61.0K after | 10b5-1 |