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United States Aerospace & Defense

Mercury Systems Inc (MRCY)

Track

Over the last 90 days, Mercury Systems Inc. has seen significant insider selling, with a net value of -$2,040,851.64. Notably, large sell-offs occurred in March by JANA Partners Management, LP, and smaller sales by executives like LANCE HOWARD L and Carvalho Orlando D. No insider purchases were recorded during this period.
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Ticker: MRCY Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
LANCE HOWARD L
2 sales — total 922,744 USD
Sale 26 May 2026
Value US$2,247,696.02 | Price 181.24 | Shares 12,430
Sale 26 May 2026
Value US$111,433.87 | Price 397.59 | Shares 27,857
Sale 12 May 2026
Value US$3,693,601.69 | Price 393.37 | Shares 52,288
Proposed sale 12 May 2026
Value US$4,733,864.72 | Price 455.88 | Shares 42,924
Sale 11 May 2026
Value US$184,920.00 | Price 92.46 | Shares 2,000
Proposed sale 11 May 2026
Value US$184,920.00 | Price 92.46 | Shares 2,000
Sale 16 Apr 2026
Value US$307,660.64 | Price 84.87 | Shares 3,625
Proposed sale 16 Apr 2026
Value US$307,660.64 | Price 84.87 | Shares 3,625
Sale 4 Mar 2026
Value US$9,048,622.32 | Price 89.68 | Shares 100,899
Sale 3 Mar 2026
Value US$15,198,557.76 | Price 90.12 | Shares 168,648
Sale 2 Mar 2026
Value US$17,165,065.50 | Price 94.05 | Shares 182,510
Sale 25 Feb 2026
Value US$429,959.57 | Price 88.98 | Shares 4,832
Proposed sale 25 Feb 2026
Value US$429,960.16 | Price 88.98 | Shares 4,832
Sale 17 Feb 2026
Value US$191,091.20 | Price 83.56 | Shares 2,287
Proposed sale 17 Feb 2026
Value US$191,091.20 | Price 83.56 | Shares 2,287
Sale 17 Feb 2026
Value US$48,629.24 | Price 83.56 | Shares 582
Proposed sale 17 Feb 2026
Value US$48,629.25 | Price 83.56 | Shares 582
Sale 9 Feb 2026
Value US$32,400,000.00 | Price 81.00 | Shares 400,000
Sale 12 Nov 2025
Value US$97,569.73 | Price 73.42 | Shares 1,329
Proposed sale 12 Nov 2025
Value US$97,569.76 | Price 73.42 | Shares 1,329
Sale 7 Nov 2025
Value US$125,784.02 | Price 73.99 | Shares 1,700
Proposed sale 7 Nov 2025
Value US$125,784.02 | Price 73.99 | Shares 1,700
Sale 6 Nov 2025
Value US$75,450,000.00 | Price 75.45 | Shares 1,000,000
Sale 16 Sep 2025
Value US$4,918.08 | Price 73.40 | Shares 67
Proposed sale 16 Sep 2025
Value US$4,918.08 | Price 73.40 | Shares 67
Sale 20 Aug 2025
Value US$446,312.30 | Price 63.76 | Shares 7,000
Proposed sale 20 Aug 2025
Value US$446,312.19 | Price 63.76 | Shares 7,000
Sale 19 Aug 2025
Value US$841,255.20 | Price 64.46 | Shares 13,050
Proposed sale 19 Aug 2025
Value US$841,252.59 | Price 64.46 | Shares 13,050
Sale 19 Aug 2025
Value US$24,238.46 | Price 64.46 | Shares 376
Proposed sale 19 Aug 2025
Value US$24,238.38 | Price 64.46 | Shares 376
Sale 19 Aug 2025
Value US$78,646.08 | Price 64.46 | Shares 1,220
Proposed sale 19 Aug 2025
Value US$78,645.84 | Price 64.46 | Shares 1,220
Sale 19 Aug 2025
Value US$111,845.04 | Price 64.46 | Shares 1,735
Proposed sale 19 Aug 2025
Value US$111,844.69 | Price 64.46 | Shares 1,735
Sale 19 Aug 2025
Value US$488,121.41 | Price 64.46 | Shares 7,572
Proposed sale 19 Aug 2025
Value US$488,119.90 | Price 64.46 | Shares 7,572
Sale 18 Aug 2025
Value US$691,436.94 | Price 66.52 | Shares 10,395
Proposed sale 18 Aug 2025
Value US$691,436.94 | Price 66.52 | Shares 10,395
Sale 18 Aug 2025
Value US$24,145.42 | Price 66.52 | Shares 363
Proposed sale 18 Aug 2025
Value US$24,145.42 | Price 66.52 | Shares 363
Sale 18 Aug 2025
Value US$78,622.27 | Price 66.52 | Shares 1,182
Proposed sale 18 Aug 2025
Value US$78,622.27 | Price 66.52 | Shares 1,182
Sale 18 Aug 2025
Value US$111,813.90 | Price 66.52 | Shares 1,681
Proposed sale 18 Aug 2025
Value US$111,813.90 | Price 66.52 | Shares 1,681
Sale 18 Aug 2025
Value US$488,163.13 | Price 66.52 | Shares 7,339
Proposed sale 18 Aug 2025
Value US$488,163.12 | Price 66.52 | Shares 7,339
Sale 13 Aug 2025
Value US$52,139,740.00 | Price 65.42 | Shares 797,000
Sale 16 Jun 2025
Value US$98,344.57 | Price 53.48 | Shares 1,839
Proposed sale 16 Jun 2025
Value US$98,344.57 | Price 53.48 | Shares 1,839
Sale 14 May 2025
Value US$36,307.92 | Price 44.88 | Shares 809
Sale 14 May 2025
Value US$73,480.40 | Price 45.64 | Shares 1,610
Proposed sale 14 May 2025
Value US$73,480.40 | Price 45.64 | Shares 1,610
Sale 9 May 2025
Value US$4,587,000.00 | Price 45.87 | Shares 100,000
Sale 8 May 2025
Value US$14,959.75 | Price 46.03 | Shares 325
Sale 8 May 2025
Value US$185,645.29 | Price 47.70 | Shares 3,892
Proposed sale 8 May 2025
Value US$185,645.21 | Price 47.70 | Shares 3,892
Sale 8 May 2025
Value US$4,078,793.04 | Price 46.27 | Shares 88,152
Sale 18 Feb 2025
Value US$104,882.75 | Price 44.12 | Shares 2,377
Proposed sale 18 Feb 2025
Value US$104,882.75 | Price 44.12 | Shares 2,377
Planned sale 18 Feb 2025
Value US$26,253.78 | Price 44.12 | Shares 595
Proposed sale 18 Feb 2025
Value US$26,253.78 | Price 44.12 | Shares 595
Sale 18 Feb 2025
Value US$103,338.41 | Price 44.12 | Shares 2,342
Proposed sale 18 Feb 2025
Value US$103,338.41 | Price 44.12 | Shares 2,342
Sale 18 Nov 2024
Value US$59,241.49 | Price 38.80 | Shares 1,527
Proposed sale 18 Nov 2024
Value US$59,241.64 | Price 38.80 | Shares 1,527
Proposed sale 8 Oct 2024
Value US$73,867.44 | Price 36.70 | Shares 2,013
Sale 16 Sep 2024
Value US$2,594.23 | Price 37.60 | Shares 69
Proposed sale 16 Sep 2024
Value US$2,594.23 | Price 37.60 | Shares 69
Sale 30 Aug 2024
Value US$70,157.48 | Price 38.07 | Shares 1,843
Proposed sale 29 Aug 2024
Value US$75,640.00 | Price 37.82 | Shares 2,000
Buy 27 Aug 2024
Value US$506,600.00 | Price 37.25 | Shares 13,600
Sale 22 Aug 2024
Value US$15,867.00 | Price 36.90 | Shares 430
Sale 21 Aug 2024
Value US$149,456.03 | Price 38.41 | Shares 3,891
Proposed sale 21 Aug 2024
Value US$149,456.03 | Price 38.41 | Shares 3,891
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-27 2026-05-26 S Sale
3.8
LANCE HOWARD L
Non-Executive Director
12,430 -2.7%
181.24
US$2,247,696 		12,430 -2.7% 181.24 US$2,247,696
2026-05-27 2026-05-26 S Sale
3.8
LANCE HOWARD L
Non-Executive Director
27,857 -0.6%
397.59
US$111,434 		27,857 -0.6% 397.59 US$111,434
2026-05-13 2026-05-12 S Sale
2.6
Carvalho Orlando D
Non-Executive Director
52,288 +17.5%
393.37
US$3,693,602 		52,288 +17.5% 393.37 US$3,693,602
2026-05-12 2026-05-12 PrS Proposed sale
2.6
Carvalho Orlando D

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
2.1
Ratner Steven

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
2.1
Ratner Steven

Officer

Officer
2,000
92.46
US$184,920 		2,000 92.46 US$184,920
2026-04-17 2026-04-16 S Sale
2.4
Farnsworth David E.

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
2.4
Farnsworth David E.

Officer

Officer
3,625
84.87
US$307,661 		3,625 84.87 US$307,661
2026-03-04 2026-03-04 S Sale
3.3
JANA Partners Management, LP
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
3.3
JANA Partners Management, LP
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
3.3
JANA Partners Management, LP
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
3.8
LANCE HOWARD L
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
3.8
LANCE HOWARD L

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
1.8
KUPINSKY STUART

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
2.1
Munro Douglas

SVP, CAO

Officer
582 -3.9%
83.56
US$48,629 		582 -3.9% 83.56 US$48,629
2026-02-17 2026-02-17 PrS Proposed sale
1.8
KUPINSKY STUART

Officer

Officer
2,287
83.56
US$191,091 		2,287 83.56 US$191,091
2026-02-17 2026-02-17 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
582
83.56
US$48,629 		582 83.56 US$48,629
2026-02-11 2026-02-09 S Sale
3.3
JANA Partners Management, LP
Non-Executive Director
400,000 -8.1%
81.00
US$32,400,000 		400,000 -8.1% 81.00 US$32,400,000
2025-11-13 2025-11-12 S Sale
2.1
Munro Douglas

SVP, CAO

Officer
1,329 -8.3%
73.42
US$97,570 		1,329 -8.3% 73.42 US$97,570
2025-11-12 2025-11-12 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
1,329
73.42
US$97,570 		1,329 73.42 US$97,570
2025-11-10 2025-11-07 S Sale
2.8
Plunkett Debora A
Non-Executive Director
1,700 -9.2%
73.99
US$125,784 		1,700 -9.2% 73.99 US$125,784
2025-11-07 2025-11-07 PrS Proposed sale
2.8
Plunkett Debora A

Director

Non-Executive Director
1,700
73.99
US$125,784 		1,700 73.99 US$125,784
2025-11-10 2025-11-06 S Sale
3.3
JANA Partners Management, LP
Non-Executive Director
1,000,000 -16.8%
75.45
US$75,450,000 		1,000,000 -16.8% 75.45 US$75,450,000
2025-09-17 2025-09-16 S Sale
2.1
Munro Douglas

VP, CAO

Officer
67 -0.4%
73.40
US$4,918 		67 -0.4% 73.40 US$4,918
2025-09-16 2025-09-16 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
67
73.40
US$4,918 		67 73.40 US$4,918
2025-08-25 2025-08-20 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
7,000 -17.2%
63.76
US$446,312 		7,000 -17.2% 63.76 US$446,312
2025-08-20 2025-08-20 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
7,000
63.76
US$446,312 		7,000 63.76 US$446,312
2025-08-20 2025-08-19 S Sale
3.0
Ballhaus William L

Chairman, President & CEO

Executive Director
13,050 -3.4%
64.46
US$841,255 		13,050 -3.4% 64.46 US$841,255
2025-08-20 2025-08-19 S Sale
2.1
Munro Douglas

VP, CAO

Officer
376 -2.3%
64.46
US$24,238 		376 -2.3% 64.46 US$24,238
2025-08-20 2025-08-19 S Sale
1.8
KUPINSKY STUART

EVP, CLO & Corp Sec

Officer
1,220 -1.7%
64.46
US$78,646 		1,220 -1.7% 64.46 US$78,646
2025-08-20 2025-08-19 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
1,735 -4.1%
64.46
US$111,845 		1,735 -4.1% 64.46 US$111,845
2025-08-20 2025-08-19 S Sale
2.4
Farnsworth David E.

EVP, CFO

Officer
7,572 -4.5%
64.46
US$488,121 		7,572 -4.5% 64.46 US$488,121
2025-08-19 2025-08-19 PrS Proposed sale
1.8
KUPINSKY STUART

Officer

Officer
1,220
64.46
US$78,646 		1,220 64.46 US$78,646
2025-08-19 2025-08-19 PrS Proposed sale
2.4
Farnsworth David E.

Officer

Officer
7,572
64.46
US$488,120 		7,572 64.46 US$488,120
2025-08-19 2025-08-19 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
1,735
64.46
US$111,845 		1,735 64.46 US$111,845
2025-08-19 2025-08-19 PrS Proposed sale
3.0
Ballhaus William L

Officer; Director

Executive Director
13,050
64.46
US$841,253 		13,050 64.46 US$841,253
2025-08-19 2025-08-19 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
376
64.46
US$24,238 		376 64.46 US$24,238
2025-08-20 2025-08-18 S Sale
3.0
Ballhaus William L

Chairman, President & CEO

Executive Director
10,395 -2.6%
66.52
US$691,437 		10,395 -2.6% 66.52 US$691,437
2025-08-20 2025-08-18 S Sale
2.1
Munro Douglas

VP, CAO

Officer
363 -2.2%
66.52
US$24,145 		363 -2.2% 66.52 US$24,145
2025-08-20 2025-08-18 S Sale
1.8
KUPINSKY STUART

EVP, CLO & Corp Sec

Officer
1,182 -1.6%
66.52
US$78,622 		1,182 -1.6% 66.52 US$78,622
2025-08-20 2025-08-18 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
1,681 -3.8%
66.52
US$111,814 		1,681 -3.8% 66.52 US$111,814
2025-08-20 2025-08-18 S Sale
2.4
Farnsworth David E.

EVP, CFO

Officer
7,339 -4.2%
66.52
US$488,163 		7,339 -4.2% 66.52 US$488,163
2025-08-18 2025-08-18 PrS Proposed sale
2.4
Farnsworth David E.

Officer

Officer
7,339
66.52
US$488,163 		7,339 66.52 US$488,163
2025-08-18 2025-08-18 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
363
66.52
US$24,145 		363 66.52 US$24,145
2025-08-18 2025-08-18 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
1,681
66.52
US$111,814 		1,681 66.52 US$111,814
2025-08-18 2025-08-18 PrS Proposed sale
3.0
Ballhaus William L

Officer; Director

Executive Director
10,395
66.52
US$691,437 		10,395 66.52 US$691,437
2025-08-18 2025-08-18 PrS Proposed sale
1.8
KUPINSKY STUART

Officer

Officer
1,182
66.52
US$78,622 		1,182 66.52 US$78,622
2025-08-15 2025-08-13 S Sale
3.3
JANA Partners Management, LP
Non-Executive Director
797,000 -11.8%
65.42
US$52,139,740 		797,000 -11.8% 65.42 US$52,139,740
2025-06-18 2025-06-16 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
1,839 -5.0%
53.48
US$98,345 		1,839 -5.0% 53.48 US$98,345
2025-06-16 2025-06-16 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
1,839
53.48
US$98,345 		1,839 53.48 US$98,345
2025-05-16 2025-05-14 S Sale
2.1
Munro Douglas

VP, CAO

Officer
809 -100.0%
44.88
US$36,308 		809 -100.0% 44.88 US$36,308
2025-05-16 2025-05-14 S Sale
2.1
Munro Douglas

VP, CAO

Officer
1,610 -10.7%
45.64
US$73,480 		1,610 -10.7% 45.64 US$73,480
2025-05-14 2025-05-14 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
1,610
45.64
US$73,480 		1,610 45.64 US$73,480
2025-05-09 2025-05-09 S Sale
3.3
JANA Partners Management, LP
Non-Executive Director Large shareholder
100,000 -1.5%
45.87
US$4,587,000 		100,000 -1.5% 45.87 US$4,587,000
2025-05-12 2025-05-08 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
325 -100.0%
46.03
US$14,960 		325 -100.0% 46.03 US$14,960
2025-05-12 2025-05-08 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
3,892 -6.5%
47.70
US$185,645 		3,892 -6.5% 47.70 US$185,645
2025-05-09 2025-05-08 S Sale
3.3
JANA Partners Management, LP
Non-Executive Director Large shareholder
88,152 -1.3%
46.27
US$4,078,793 		88,152 -1.3% 46.27 US$4,078,793
2025-05-08 2025-05-08 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
3,892
47.70
US$185,645 		3,892 47.70 US$185,645
2025-02-19 2025-02-18 S Sale
1.8
KUPINSKY STUART

EVP, CLO & Corp Sec

Officer
2,377 -3.6%
44.12
US$104,883 		2,377 -3.6% 44.12 US$104,883
2025-02-19 2025-02-18 PlS Planned sale
2.1
Munro Douglas

VP, CAO

Officer
595 -3.9%
44.12
US$26,254 		595 -3.9% 44.12 US$26,254
2025-02-19 2025-02-18 S Sale
2.7
Wells Charles Roger IV

EVP, COO

Officer
2,342 -2.4%
44.12
US$103,338 		2,342 -2.4% 44.12 US$103,338
2025-02-18 2025-02-18 PrS Proposed sale
2.7
Wells Charles Roger IV

Officer

Officer
2,342
44.12
US$103,338 		2,342 44.12 US$103,338
2025-02-18 2025-02-18 PrS Proposed sale
1.8
KUPINSKY STUART

Officer

Officer
2,377
44.12
US$104,883 		2,377 44.12 US$104,883
2025-02-18 2025-02-18 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
595
44.12
US$26,254 		595 44.12 US$26,254
2024-11-19 2024-11-18 S Sale
2.7
Wells Charles Roger IV

EVP, COO

Officer
1,527 -1.3%
38.80
US$59,241 		1,527 -1.3% 38.80 US$59,241
2024-11-18 2024-11-18 PrS Proposed sale
2.7
Wells Charles Roger IV

Officer

Officer
1,527
38.80
US$59,242 		1,527 38.80 US$59,242
2024-10-08 2024-10-08 PrS Proposed sale
3.0
Georges Stephanie

Former Officer

Officer
2,013
36.70
US$73,867 		2,013 36.70 US$73,867
2024-09-18 2024-09-16 S Sale
2.1
Munro Douglas

VP, CAO

Officer
69 -0.4%
37.60
US$2,594 		69 -0.4% 37.60 US$2,594
2024-09-16 2024-09-16 PrS Proposed sale
2.1
Munro Douglas

Officer

Officer
69
37.60
US$2,594 		69 37.60 US$2,594
2024-09-13 2024-08-30 S Sale
2.8
Plunkett Debora A
Non-Executive Director
1,843 -14.0%
38.07
US$70,157 		1,843 -14.0% 38.07 US$70,157
2024-08-29 2024-08-29 PrS Proposed sale
2.8
Plunkett Debora A

Director

Non-Executive Director
2,000
37.82
US$75,640 		2,000 37.82 US$75,640
2024-08-29 2024-08-27 B Purchase
3.3
JANA Partners Management, LP
Non-Executive Director Large shareholder
13,600 +0.2%
37.25
US$506,600 		13,600 +0.2% 37.25 US$506,600
2024-08-26 2024-08-22 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
430 -100.0%
36.90
US$15,867 		430 -100.0% 36.90 US$15,867
2024-08-23 2024-08-21 S Sale
2.1
Ratner Steven

EVP, CHRO

Officer
3,891 -6.1%
38.41
US$149,456 		3,891 -6.1% 38.41 US$149,456
2024-08-21 2024-08-21 PrS Proposed sale
2.1
Ratner Steven

Officer

Officer
3,891
38.41
US$149,456 		3,891 38.41 US$149,456
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