About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker MRCY

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Oct 21, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,000$76.00$76.0K SaleForm 4 ↗
Sep 21, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,000$86.52$86.5K SaleForm 4 ↗
Sep 3, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale4,000$84.51$338.0K SaleForm 4 ↗
Aug 26, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale10,814$89.74$970.4K SaleForm 4 ↗
Aug 26, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale38,276$88.91$3.4M SaleForm 4 ↗
Aug 25, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale3,448$87.99$303.4K SaleForm 4 ↗
Aug 25, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale107,628$87.09$9.4M SaleForm 4 ↗
Aug 24, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale2,738$90.60$248.1K SaleForm 4 ↗
Aug 24, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale105,471$89.47$9.4M SaleForm 4 ↗
Aug 21, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale356$91.36$32.5K SaleForm 4 ↗
Aug 21, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,000$95.23$95.2K SaleForm 4 ↗
Aug 21, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale204$93.51$19.1K SaleForm 4 ↗
Aug 21, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale64,796$92.40$6.0M SaleForm 4 ↗
Aug 20, 2026Douglas Munro
SVP, CAO
MRCY
Mercury Systems Inc
Sale109$97.67$10.6K SaleForm 4 ↗
Aug 20, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale1,026$97.67$100.2K SaleForm 4 ↗
Aug 20, 2026David E. Farnsworth
EVP, CFO
MRCY
Mercury Systems Inc
Sale6,612$97.67$645.8K SaleForm 4 ↗
Aug 20, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale22,010$97.67$2.1M SaleForm 4 ↗
Aug 19, 2026Douglas Munro
SVP, CAO
MRCY
Mercury Systems Inc
Sale548$100.31$55.0K SaleForm 4 ↗
Aug 19, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale2,187$100.31$219.4K SaleForm 4 ↗
Aug 19, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,308$100.31$131.2K SaleForm 4 ↗
Aug 19, 2026David E. Farnsworth
EVP, CFO
MRCY
Mercury Systems Inc
Sale8,155$100.31$818.0K SaleForm 4 ↗
Aug 19, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale26,802$100.31$2.7M SaleForm 4 ↗
Aug 18, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale1,971$111.36$219.5K SaleForm 4 ↗
Aug 18, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,178$111.36$131.2K SaleForm 4 ↗
Aug 18, 2026David E. Farnsworth
EVP, CFO
MRCY
Mercury Systems Inc
Sale7,347$111.36$818.2K SaleForm 4 ↗
Aug 18, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale24,144$111.36$2.7M SaleForm 4 ↗
Aug 17, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale1,084$109.95$119.2K SaleForm 4 ↗
Aug 17, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,195$109.95$131.4K SaleForm 4 ↗
Aug 17, 2026David E. Farnsworth
EVP, CFO
MRCY
Mercury Systems Inc
Sale1,345$109.95$147.9K SaleForm 4 ↗
Aug 17, 2026William L. Ballhaus
Chairman, President & CEO, Director
MRCY
Mercury Systems Inc
Sale3,536$109.95$388.8K SaleForm 4 ↗
May 26, 2026Howard L. Lance
Director
MRCY
Mercury Systems Inc
Sale1,250$98.50$123.1K SaleForm 4 ↗
May 26, 2026Howard L. Lance
Director
MRCY
Mercury Systems Inc
Sale8,000$99.95$799.6K SaleForm 4 ↗
May 12, 2026Orlando D. Carvalho
Director
MRCY
Mercury Systems Inc
Sale7,000$89.36$625.5K SaleForm 4 ↗
May 11, 2026Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale2,000$92.46$184.9K SaleForm 4 ↗
Apr 16, 2026David E. Farnsworth
EVP, CFO
MRCY
Mercury Systems Inc
Sale3,625$84.87$307.7K SaleForm 4 ↗
Mar 4, 2026JANA Partners Management, LP
Director
MRCY
Mercury Systems Inc
Sale100,899$89.68$9.0M SaleForm 4 ↗
Mar 3, 2026JANA Partners Management, LP
Director
MRCY
Mercury Systems Inc
Sale168,648$90.12$15.2M SaleForm 4 ↗
Mar 2, 2026JANA Partners Management, LP
Director
MRCY
Mercury Systems Inc
Sale182,510$94.05$17.2M SaleForm 4 ↗
Feb 25, 2026Howard L. Lance
Director
MRCY
Mercury Systems Inc
Sale4,832$88.98$430.0K SaleForm 4 ↗
Feb 17, 2026Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale2,287$83.56$191.1K SaleForm 4 ↗
Feb 17, 2026Douglas Munro
SVP, CAO
MRCY
Mercury Systems Inc
Sale582$83.56$48.6K SaleForm 4 ↗
Feb 9, 2026JANA Partners Management, LP
Director
MRCY
Mercury Systems Inc
Sale400,000$81.00$32.4M SaleForm 4 ↗
Nov 12, 2025Douglas Munro
SVP, CAO
MRCY
Mercury Systems Inc
Sale1,329$73.42$97.6K SaleForm 4 ↗
Nov 7, 2025Debora A. Plunkett
Director
MRCY
Mercury Systems Inc
Sale1,700$73.99$125.8K SaleForm 4 ↗
Nov 6, 2025JANA Partners Management, LP
Director
MRCY
Mercury Systems Inc
Sale1.00M$75.45$75.5M SaleForm 4 ↗
Sep 16, 2025Douglas Munro
VP, CAO
MRCY
Mercury Systems Inc
Sale67$73.40$4,918 SaleForm 4 ↗
Aug 20, 2025Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale7,000$63.76$446.3K SaleForm 4 ↗
Aug 19, 2025Douglas Munro
VP, CAO
MRCY
Mercury Systems Inc
Sale376$64.46$24.2K SaleForm 4 ↗
Aug 19, 2025Steven Ratner
EVP, CHRO
MRCY
Mercury Systems Inc
Sale1,735$64.46$111.8K SaleForm 4 ↗
Aug 19, 2025Stuart Kupinsky
EVP, CLO & Corp Sec
MRCY
Mercury Systems Inc
Sale1,220$64.46$78.6K SaleForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:01 PM EST.

Download CSV The rows of this feed, with the filters above. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

Other feeds: Congressional trades · Executive-branch trades · Bills in Congress · Roll-call votes · Corporate PAC donations · Lobbying · Capitol Hires · Lobbying and contracts · Government contracts · Planned insider sales · Executive pay · Ownership stakes (13D / 13G) · Institutional holdings (13F) · Short interest · Fails to deliver · Daily short volume · Wikipedia page views · App store ratings · H-1B visa applications · Stock splits · 8-K events · IPO filings · Deals · Private placements (Form D) · Merger clearances (HSR) · Layoff notices (WARN) · SEC enforcement · Patents · Clinical trial updates · FDA approvals and clearances