Mercury Systems Inc. (MRCY) Insider Trading
Directors, officers and holders of more than 10% of MRCY report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 141 transactions on file: 0 with code P, 31 with code S and 19 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 28, 2026 | DEMURO GERARD J | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | BUA JEAN A | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | Nearhos Barry R | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | LANCE HOWARD L | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | DISBROW LISA S | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | Plunkett Debora A | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | Carvalho Orlando D | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 28, 2026 | Ostfeld Scott | Director | A Award | 2,348 | Not measured | Not measured |
| Oct 21, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,000 | $76.00 | $76,000 |
| Oct 15, 2026 | Nearhos Barry R | Director | A Award | 235 | Not measured | Not measured |
| Sep 21, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,000 | $86.52 | $86,520 |
| Sep 3, 2026 | Ratner Steven | EVP, CHRO | S Sale | 4,000 | $84.51 | $338,030 |
| Aug 26, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 38,276 | $88.91 | $3,403,234 |
| Aug 26, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 10,814 | $89.74 | $970,492 |
| Aug 26, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 68,476 | Not measured | Not measured |
| Aug 26, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 68,476 | $43.00 | $2,944,468 |
| Aug 25, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 3,448 | $87.99 | $303,400 |
| Aug 25, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 153,676 | $43.00 | $6,608,068 |
| Aug 25, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 153,676 | Not measured | Not measured |
| Aug 25, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 107,628 | $87.09 | $9,373,215 |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 140,650 | $42.00 | $5,907,300 |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 11,348 | Not measured | Not measured |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 140,650 | Not measured | Not measured |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 2,738 | $90.60 | $248,063 |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 11,348 | $43.00 | $487,964 |
| Aug 24, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 105,471 | $89.47 | $9,436,807 |
| Aug 21, 2026 | Ratner Steven | EVP, CHRO | S Sale | 356 | $91.36 | $32,524 |
| Aug 21, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,000 | $95.23 | $95,230 |
| Aug 21, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 204 | $93.51 | $19,076 |
| Aug 21, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 64,796 | $92.40 | $5,987,410 |
| Aug 21, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 92,850 | $42.00 | $3,899,700 |
| Aug 21, 2026 | Ballhaus William L | Chairman, President & CEO | M Exercise | 92,850 | Not measured | Not measured |
| Aug 20, 2026 | Ratner Steven | EVP, CHRO | S Sale | 1,026 | $97.67 | $100,213 |
| Aug 20, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 22,010 | $97.67 | $2,149,792 |
| Aug 20, 2026 | Munro Douglas | SVP, CAO | S Sale | 109 | $97.67 | $10,646 |
| Aug 20, 2026 | Farnsworth David E. | EVP, CFO | S Sale | 6,612 | $97.67 | $645,817 |
| Aug 19, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,308 | $100.31 | $131,200 |
| Aug 19, 2026 | Farnsworth David E. | EVP, CFO | S Sale | 8,155 | $100.31 | $817,995 |
| Aug 19, 2026 | Ratner Steven | EVP, CHRO | S Sale | 2,187 | $100.31 | $219,369 |
| Aug 19, 2026 | Munro Douglas | SVP, CAO | S Sale | 548 | $100.31 | $54,968 |
| Aug 19, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 26,802 | $100.31 | $2,688,401 |
| Aug 18, 2026 | Ratner Steven | EVP, CHRO | S Sale | 1,971 | $111.36 | $219,486 |
| Aug 18, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,178 | $111.36 | $131,179 |
| Aug 18, 2026 | Farnsworth David E. | EVP, CFO | S Sale | 7,347 | $111.36 | $818,145 |
| Aug 18, 2026 | Munro Douglas | SVP, CAO | S Sale | 494 | $111.36 | $55,011 |
| Aug 18, 2026 | Ballhaus William L | Chairman, President & CEO | S Sale | 24,144 | $111.36 | $2,688,620 |
| Aug 17, 2026 | Ratner Steven | EVP, CHRO | S Sale | 1,084 | $109.95 | $119,187 |
| Aug 17, 2026 | Munro Douglas | SVP, CAO | S Sale | 404 | $109.95 | $44,420 |
| Aug 17, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S Sale | 1,195 | $109.95 | $131,391 |
| Aug 17, 2026 | Farnsworth David E. | EVP, CFO | S Sale | 1,345 | $109.95 | $147,884 |
The full Form 4 history is on the MRCY company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.