Mercury Systems Inc (MRCY)

Mercury Systems experienced significant selling pressure, with insiders offloading over $41 million in net value recently. Following a 10% earnings report miss, the stock price declined 22.7% over ninety days. Executives, including the CEO, executed multiple divestments, reflecting a period of heavy liquidation activity amid broader downward market performance for the firm.
Ticker: MRCY Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Mercury Systems Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Planned sale
Price
234.05
Quantity 66,879 -39.3%
Value US$525,483
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
147.14
Quantity 22,164
Value US$2,930,966
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Planned sale
Price
430.06
Quantity 46,997 +47.1%
Value US$3,452,462
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
86.52
Quantity 1,000
Value US$86,520
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
84.51
Quantity 4,000 -17.2%
Value US$338,030
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
84.51
Quantity 4,000
Value US$338,030
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
89.74
Quantity 10,814 -2.9%
Value US$970,492
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
88.91
Quantity 38,276 -9.3%
Value US$3,403,234
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
89.10
Quantity 49,090
Value US$4,373,745
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
87.99
Quantity 3,448 -1.0%
Value US$303,400
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
87.09
Quantity 107,628 -23.7%
Value US$9,373,215
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
87.12
Quantity 111,076
Value US$9,676,608
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
90.60
Quantity 2,738 -0.9%
Value US$248,063
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
89.47
Quantity 105,471 -25.8%
Value US$9,436,807
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
90.25
Quantity 8,088
Value US$729,965
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
89.44
Quantity 100,121
Value US$8,954,914
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
91.36
Quantity 356 -100.0%
Value US$32,524
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Planned sale
Price
95.23
Quantity 1,000 -1.7%
Value US$95,230
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
93.51
Quantity 204 -0.1%
Value US$19,076
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
92.40
Quantity 64,796 -20.2%
Value US$5,987,410
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
92.41
Quantity 65,000
Value US$6,006,464
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
95.23
Quantity 1,000
Value US$95,230
2.4
Munro Douglas SVP, CAO Officer
Transaction date
Sale
Price
97.67
Quantity 109 -0.8%
Value US$10,646
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
97.67
Quantity 1,026 -4.2%
Value US$100,213
2.6
Farnsworth David E. EVP, CFO Officer
Transaction date
Sale
Price
97.67
Quantity 6,612 -5.3%
Value US$645,817
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
97.67
Quantity 22,010 -8.8%
Value US$2,149,792
2.6
Farnsworth David E. Officer Officer
Transaction date
Proposed sale
Price
97.67
Quantity 6,612
Value US$645,817
2.4
Munro Douglas Officer Officer
Transaction date
Proposed sale
Price
97.67
Quantity 109
Value US$10,646
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
97.67
Quantity 1,026
Value US$100,213
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
97.67
Quantity 22,010
Value US$2,149,792
2.4
Munro Douglas SVP, CAO Officer
Transaction date
Sale
Price
100.31
Quantity 548 -4.0%
Value US$54,968
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
100.31
Quantity 2,187 -8.3%
Value US$219,369
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Sale
Price
100.31
Quantity 1,308 -2.2%
Value US$131,200
2.6
Farnsworth David E. EVP, CFO Officer
Transaction date
Sale
Price
100.31
Quantity 8,155 -6.1%
Value US$817,995
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
100.31
Quantity 26,802 -9.7%
Value US$2,688,401
2.6
Farnsworth David E. Officer Officer
Transaction date
Proposed sale
Price
100.31
Quantity 8,155
Value US$817,995
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
100.31
Quantity 26,802
Value US$2,688,401
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
100.31
Quantity 2,187
Value US$219,369
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
100.31
Quantity 1,308
Value US$131,200
2.4
Munro Douglas Officer Officer
Transaction date
Proposed sale
Price
100.31
Quantity 548
Value US$54,968
2.4
Munro Douglas SVP, CAO Officer
Transaction date
Sale
Price
111.36
Quantity 494 -3.5%
Value US$55,011
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
111.36
Quantity 1,971 -6.9%
Value US$219,486
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Sale
Price
111.36
Quantity 1,178 -2.0%
Value US$131,179
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
111.36
Quantity 24,144 -8.0%
Value US$2,688,620
2.6
Farnsworth David E. EVP, CFO Officer
Transaction date
Sale
Price
111.36
Quantity 7,347 -5.2%
Value US$818,145
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
111.36
Quantity 24,144
Value US$2,688,620
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
111.36
Quantity 1,178
Value US$131,179
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
111.36
Quantity 1,971
Value US$219,486
2.6
Farnsworth David E. Officer Officer
Transaction date
Proposed sale
Price
111.36
Quantity 7,347
Value US$818,145
2.4
Munro Douglas Officer Officer
Transaction date
Proposed sale
Price
111.36
Quantity 494
Value US$55,011
2.4
Munro Douglas SVP, CAO Officer
Transaction date
Sale
Price
109.95
Quantity 404 -2.8%
Value US$44,420
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
109.95
Quantity 1,084 -3.7%
Value US$119,187
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Sale
Price
109.95
Quantity 1,195 -2.0%
Value US$131,391
3.3
Ballhaus William L Chairman, President & CEO Executive Director
Transaction date
Sale
Price
109.95
Quantity 3,536 -1.2%
Value US$388,786
2.6
Farnsworth David E. EVP, CFO Officer
Transaction date
Sale
Price
109.95
Quantity 1,345 -1.0%
Value US$147,884
3.3
Ballhaus William L Officer; Director Executive Director
Transaction date
Proposed sale
Price
109.95
Quantity 3,536
Value US$388,786
2.4
Munro Douglas Officer Officer
Transaction date
Proposed sale
Price
109.95
Quantity 404
Value US$44,420
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
109.95
Quantity 1,084
Value US$119,187
2.6
Farnsworth David E. Officer Officer
Transaction date
Proposed sale
Price
109.95
Quantity 1,345
Value US$147,884
2.2
KUPINSKY STUART Officer Officer
Transaction date
Proposed sale
Price
109.95
Quantity 1,195
Value US$131,391
3.9
LANCE HOWARD L Non-Executive Director
Transaction date
Sale
Price
98.50
Quantity 1,250 -100.0%
Value US$123,124
3.9
LANCE HOWARD L Non-Executive Director
Transaction date
Sale
Price
99.95
Quantity 8,000 -86.5%
Value US$799,620
2.7
Carvalho Orlando D Non-Executive Director
Transaction date
Sale
Price
89.36
Quantity 7,000 -11.8%
Value US$625,527
2.7
Carvalho Orlando D Director Non-Executive Director
Transaction date
Proposed sale
Price
89.36
Quantity 7,000
Value US$625,527
2.5
Ratner Steven EVP, CHRO Officer
Transaction date
Sale
Price
92.46
Quantity 2,000 -5.8%
Value US$184,920
2.5
Ratner Steven Officer Officer
Transaction date
Proposed sale
Price
92.46
Quantity 2,000
Value US$184,920
2.6
Farnsworth David E. EVP, CFO Officer
Transaction date
Sale
Price
84.87
Quantity 3,625 -2.2%
Value US$307,661
2.6
Farnsworth David E. Officer Officer
Transaction date
Proposed sale
Price
84.87
Quantity 3,625
Value US$307,661
3.9
LANCE HOWARD L Non-Executive Director
Transaction date
Sale
Price
88.98
Quantity 4,832 -15.1%
Value US$429,960
3.9
LANCE HOWARD L Director Non-Executive Director
Transaction date
Proposed sale
Price
88.98
Quantity 4,832
Value US$429,960
2.2
KUPINSKY STUART EVP, CLO & Corp Sec Officer
Transaction date
Sale
Price
83.56
Quantity 2,287 -3.3%
Value US$191,091
2.4
Munro Douglas SVP, CAO Officer
Transaction date
Sale
Price
83.56
Quantity 582 -3.9%
Value US$48,629
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-10-26 2026-10-21 PlS Planned sale

EVP, CLO & Corp Sec

Officer
66,879 -39.3%
234.05
US$525,483
66,879 -39.3% 234.05 US$525,483
2026-10-21 2026-10-21 PrS Proposed sale

Officer

Officer
22,164
147.14
US$2,930,966
22,164 147.14 US$2,930,966
2026-09-23 2026-09-21 PlS Planned sale

EVP, CLO & Corp Sec

Officer
46,997 +47.1%
430.06
US$3,452,462
46,997 +47.1% 430.06 US$3,452,462
2026-09-21 2026-09-21 PrS Proposed sale

Officer

Officer
1,000
86.52
US$86,520
1,000 86.52 US$86,520
2026-09-08 2026-09-03 S Sale

EVP, CHRO

Officer
4,000 -17.2%
84.51
US$338,030
4,000 -17.2% 84.51 US$338,030
2026-09-03 2026-09-03 PrS Proposed sale

Officer

Officer
4,000
84.51
US$338,030
4,000 84.51 US$338,030
2026-08-27 2026-08-26 S Sale

Chairman, President & CEO

Executive Director
10,814 -2.9%
89.74
US$970,492
10,814 -2.9% 89.74 US$970,492
2026-08-27 2026-08-26 S Sale

Chairman, President & CEO

Executive Director
38,276 -9.3%
88.91
US$3,403,234
38,276 -9.3% 88.91 US$3,403,234
2026-08-26 2026-08-26 PrS Proposed sale

Officer; Director

Executive Director
49,090
89.10
US$4,373,745
49,090 89.10 US$4,373,745
2026-08-27 2026-08-25 S Sale

Chairman, President & CEO

Executive Director
3,448 -1.0%
87.99
US$303,400
3,448 -1.0% 87.99 US$303,400
2026-08-27 2026-08-25 S Sale

Chairman, President & CEO

Executive Director
107,628 -23.7%
87.09
US$9,373,215
107,628 -23.7% 87.09 US$9,373,215
2026-08-25 2026-08-25 PrS Proposed sale

Officer; Director

Executive Director
111,076
87.12
US$9,676,608
111,076 87.12 US$9,676,608
2026-08-25 2026-08-24 S Sale

Chairman, President & CEO

Executive Director
2,738 -0.9%
90.60
US$248,063
2,738 -0.9% 90.60 US$248,063
2026-08-25 2026-08-24 S Sale

Chairman, President & CEO

Executive Director
105,471 -25.8%
89.47
US$9,436,807
105,471 -25.8% 89.47 US$9,436,807
2026-08-24 2026-08-24 PrS Proposed sale

Officer; Director

Executive Director
8,088
90.25
US$729,965
8,088 90.25 US$729,965
2026-08-24 2026-08-24 PrS Proposed sale

Officer; Director

Executive Director
100,121
89.44
US$8,954,914
100,121 89.44 US$8,954,914
2026-08-25 2026-08-21 S Sale

EVP, CHRO

Officer
356 -100.0%
91.36
US$32,524
356 -100.0% 91.36 US$32,524
2026-08-25 2026-08-21 PlS Planned sale

EVP, CLO & Corp Sec

Officer
1,000 -1.7%
95.23
US$95,230
1,000 -1.7% 95.23 US$95,230
2026-08-25 2026-08-21 S Sale

Chairman, President & CEO

Executive Director
204 -0.1%
93.51
US$19,076
204 -0.1% 93.51 US$19,076
2026-08-25 2026-08-21 S Sale

Chairman, President & CEO

Executive Director
64,796 -20.2%
92.40
US$5,987,410
64,796 -20.2% 92.40 US$5,987,410
2026-08-21 2026-08-21 PrS Proposed sale

Officer; Director

Executive Director
65,000
92.41
US$6,006,464
65,000 92.41 US$6,006,464
2026-08-21 2026-08-21 PrS Proposed sale

Officer

Officer
1,000
95.23
US$95,230
1,000 95.23 US$95,230
2026-08-21 2026-08-20 S Sale

SVP, CAO

Officer
109 -0.8%
97.67
US$10,646
109 -0.8% 97.67 US$10,646
2026-08-21 2026-08-20 S Sale

EVP, CHRO

Officer
1,026 -4.2%
97.67
US$100,213
1,026 -4.2% 97.67 US$100,213
2026-08-21 2026-08-20 S Sale

EVP, CFO

Officer
6,612 -5.3%
97.67
US$645,817
6,612 -5.3% 97.67 US$645,817
2026-08-21 2026-08-20 S Sale

Chairman, President & CEO

Executive Director
22,010 -8.8%
97.67
US$2,149,792
22,010 -8.8% 97.67 US$2,149,792
2026-08-20 2026-08-20 PrS Proposed sale

Officer

Officer
6,612
97.67
US$645,817
6,612 97.67 US$645,817
2026-08-20 2026-08-20 PrS Proposed sale

Officer

Officer
109
97.67
US$10,646
109 97.67 US$10,646
2026-08-20 2026-08-20 PrS Proposed sale

Officer

Officer
1,026
97.67
US$100,213
1,026 97.67 US$100,213
2026-08-20 2026-08-20 PrS Proposed sale

Officer; Director

Executive Director
22,010
97.67
US$2,149,792
22,010 97.67 US$2,149,792
2026-08-21 2026-08-19 S Sale

SVP, CAO

Officer
548 -4.0%
100.31
US$54,968
548 -4.0% 100.31 US$54,968
2026-08-21 2026-08-19 S Sale

EVP, CHRO

Officer
2,187 -8.3%
100.31
US$219,369
2,187 -8.3% 100.31 US$219,369
2026-08-21 2026-08-19 S Sale

EVP, CLO & Corp Sec

Officer
1,308 -2.2%
100.31
US$131,200
1,308 -2.2% 100.31 US$131,200
2026-08-21 2026-08-19 S Sale

EVP, CFO

Officer
8,155 -6.1%
100.31
US$817,995
8,155 -6.1% 100.31 US$817,995
2026-08-21 2026-08-19 S Sale

Chairman, President & CEO

Executive Director
26,802 -9.7%
100.31
US$2,688,401
26,802 -9.7% 100.31 US$2,688,401
2026-08-19 2026-08-19 PrS Proposed sale

Officer

Officer
8,155
100.31
US$817,995
8,155 100.31 US$817,995
2026-08-19 2026-08-19 PrS Proposed sale

Officer; Director

Executive Director
26,802
100.31
US$2,688,401
26,802 100.31 US$2,688,401
2026-08-19 2026-08-19 PrS Proposed sale

Officer

Officer
2,187
100.31
US$219,369
2,187 100.31 US$219,369
2026-08-19 2026-08-19 PrS Proposed sale

Officer

Officer
1,308
100.31
US$131,200
1,308 100.31 US$131,200
2026-08-19 2026-08-19 PrS Proposed sale

Officer

Officer
548
100.31
US$54,968
548 100.31 US$54,968
2026-08-19 2026-08-18 S Sale

SVP, CAO

Officer
494 -3.5%
111.36
US$55,011
494 -3.5% 111.36 US$55,011
2026-08-19 2026-08-18 S Sale

EVP, CHRO

Officer
1,971 -6.9%
111.36
US$219,486
1,971 -6.9% 111.36 US$219,486
2026-08-19 2026-08-18 S Sale

EVP, CLO & Corp Sec

Officer
1,178 -2.0%
111.36
US$131,179
1,178 -2.0% 111.36 US$131,179
2026-08-19 2026-08-18 S Sale

Chairman, President & CEO

Executive Director
24,144 -8.0%
111.36
US$2,688,620
24,144 -8.0% 111.36 US$2,688,620
2026-08-19 2026-08-18 S Sale

EVP, CFO

Officer
7,347 -5.2%
111.36
US$818,145
7,347 -5.2% 111.36 US$818,145
2026-08-18 2026-08-18 PrS Proposed sale

Officer; Director

Executive Director
24,144
111.36
US$2,688,620
24,144 111.36 US$2,688,620
2026-08-18 2026-08-18 PrS Proposed sale

Officer

Officer
1,178
111.36
US$131,179
1,178 111.36 US$131,179
2026-08-18 2026-08-18 PrS Proposed sale

Officer

Officer
1,971
111.36
US$219,486
1,971 111.36 US$219,486
2026-08-18 2026-08-18 PrS Proposed sale

Officer

Officer
7,347
111.36
US$818,145
7,347 111.36 US$818,145
2026-08-18 2026-08-18 PrS Proposed sale

Officer

Officer
494
111.36
US$55,011
494 111.36 US$55,011
2026-08-19 2026-08-17 S Sale

SVP, CAO

Officer
404 -2.8%
109.95
US$44,420
404 -2.8% 109.95 US$44,420
2026-08-19 2026-08-17 S Sale

EVP, CHRO

Officer
1,084 -3.7%
109.95
US$119,187
1,084 -3.7% 109.95 US$119,187
2026-08-19 2026-08-17 S Sale

EVP, CLO & Corp Sec

Officer
1,195 -2.0%
109.95
US$131,391
1,195 -2.0% 109.95 US$131,391
2026-08-19 2026-08-17 S Sale

Chairman, President & CEO

Executive Director
3,536 -1.2%
109.95
US$388,786
3,536 -1.2% 109.95 US$388,786
2026-08-19 2026-08-17 S Sale

EVP, CFO

Officer
1,345 -1.0%
109.95
US$147,884
1,345 -1.0% 109.95 US$147,884
2026-08-17 2026-08-17 PrS Proposed sale

Officer; Director

Executive Director
3,536
109.95
US$388,786
3,536 109.95 US$388,786
2026-08-17 2026-08-17 PrS Proposed sale

Officer

Officer
404
109.95
US$44,420
404 109.95 US$44,420
2026-08-17 2026-08-17 PrS Proposed sale

Officer

Officer
1,084
109.95
US$119,187
1,084 109.95 US$119,187
2026-08-17 2026-08-17 PrS Proposed sale

Officer

Officer
1,345
109.95
US$147,884
1,345 109.95 US$147,884
2026-08-17 2026-08-17 PrS Proposed sale

Officer

Officer
1,195
109.95
US$131,391
1,195 109.95 US$131,391
2026-05-27 2026-05-26 S Sale Non-Executive Director
1,250 -100.0%
98.50
US$123,124
1,250 -100.0% 98.50 US$123,124
2026-05-27 2026-05-26 S Sale Non-Executive Director
8,000 -86.5%
99.95
US$799,620
8,000 -86.5% 99.95 US$799,620
2026-05-13 2026-05-12 S Sale Non-Executive Director
7,000 -11.8%
89.36
US$625,527
7,000 -11.8% 89.36 US$625,527
2026-05-12 2026-05-12 PrS Proposed sale

Director

Non-Executive Director
7,000
89.36
US$625,527
7,000 89.36 US$625,527
2026-05-12 2026-05-11 S Sale

EVP, CHRO

Officer
2,000 -5.8%
92.46
US$184,920
2,000 -5.8% 92.46 US$184,920
2026-05-11 2026-05-11 PrS Proposed sale

Officer

Officer
2,000
92.46
US$184,920
2,000 92.46 US$184,920
2026-04-17 2026-04-16 S Sale

EVP, CFO

Officer
3,625 -2.2%
84.87
US$307,661
3,625 -2.2% 84.87 US$307,661
2026-04-16 2026-04-16 PrS Proposed sale

Officer

Officer
3,625
84.87
US$307,661
3,625 84.87 US$307,661
2026-03-04 2026-03-04 S Sale Non-Executive Director
100,899 -2.4%
89.68
US$9,048,622
100,899 -2.4% 89.68 US$9,048,622
2026-03-04 2026-03-03 S Sale Non-Executive Director
168,648 -3.8%
90.12
US$15,198,558
168,648 -3.8% 90.12 US$15,198,558
2026-03-04 2026-03-02 S Sale Non-Executive Director
182,510 -4.0%
94.05
US$17,165,066
182,510 -4.0% 94.05 US$17,165,066
2026-02-27 2026-02-25 S Sale Non-Executive Director
4,832 -15.1%
88.98
US$429,960
4,832 -15.1% 88.98 US$429,960
2026-02-25 2026-02-25 PrS Proposed sale

Director

Non-Executive Director
4,832
88.98
US$429,960
4,832 88.98 US$429,960
2026-02-19 2026-02-17 S Sale

EVP, CLO & Corp Sec

Officer
2,287 -3.3%
83.56
US$191,091
2,287 -3.3% 83.56 US$191,091
2026-02-19 2026-02-17 S Sale

SVP, CAO

Officer
582 -3.9%
83.56
US$48,629
582 -3.9% 83.56 US$48,629

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