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United States Insurance

Arch Capital Group Ltd (ACGL)

Track

In the last 90 days, Arch Capital Group Ltd. saw a net buy of $498,650.49 from insiders, with a total buy value of $498,650.50 and sell value of $93,263.00. One notable transaction was a buy of 5300 shares for $498,650.50 by Daniel Joseph Houston. The stock has experienced a 1.5% decrease over the past 90 days.
Stock chart
Ticker: ACGL Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Posner Brian S
1 sale — total 100,000 USD
Sale 3 Jun 2026
Value US$2,960,652.10 | Price 357.47 | Shares 99,424
Sale 11 May 2026
Value US$4,723,753.25 | Price 360.94 | Shares 865
Buy 30 Apr 2026
Value US$498,650.50 | Price 94.09 | Shares 5,300
Sale 11 Mar 2026
Value US$51,345.00 | Price 17.12 | Shares 3,000
Sale 10 Mar 2026
Value US$2,112,062.95 | Price 96.31 | Shares 21,930
Proposed sale 10 Mar 2026
Value US$2,112,063.00 | Price 96.31 | Shares 21,930
Sale 10 Mar 2026
Value US$569,266.45 | Price 96.37 | Shares 5,907
Proposed sale 10 Mar 2026
Value US$569,266.00 | Price 96.37 | Shares 5,907
Sale 11 Feb 2026
Value US$4,558,857.77 | Price 96.12 | Shares 47,430
Proposed sale 11 Feb 2026
Value US$4,558,859.00 | Price 96.12 | Shares 47,430
Sale 15 Dec 2025
Value US$828,683.68 | Price 94.17 | Shares 8,800
Proposed sale 15 Dec 2025
Value US$828,683.00 | Price 94.17 | Shares 8,800
Sale 12 Dec 2025
Value US$16,434,145.00 | Price 93.91 | Shares 175,000
Sale 12 Dec 2025
Value US$2,707,902.14 | Price 93.81 | Shares 28,866
Proposed sale 12 Dec 2025
Value US$16,434,138.00 | Price 93.91 | Shares 175,000
Proposed sale 12 Dec 2025
Value US$2,707,802.00 | Price 93.81 | Shares 28,866
Sale 28 Nov 2025
Value US$756,996.00 | Price 94.62 | Shares 8,000
Proposed sale 28 Nov 2025
Value US$756,996.00 | Price 94.62 | Shares 8,000
Sale 22 Aug 2025
Value US$941,464.00 | Price 94.15 | Shares 10,000
Proposed sale 22 Aug 2025
Value US$941,464.00 | Price 94.15 | Shares 10,000
Buy 1 Aug 2025
Value US$17,338.00 | Price 17.34 | Shares 1,000
Sale 16 May 2025
Value US$1,194,575.71 | Price 94.58 | Shares 12,630
Proposed sale 16 May 2025
Value US$1,194,575.00 | Price 94.58 | Shares 12,630
Sale 13 May 2025
Value US$2,272,939.51 | Price 94.72 | Shares 23,996
Proposed sale 13 May 2025
Value US$2,272,940.00 | Price 94.72 | Shares 23,996
Sale 12 May 2025
Value US$7,056,060.34 | Price 94.01 | Shares 75,060
Proposed sale 12 May 2025
Value US$7,056,060.33 | Price 94.01 | Shares 75,060
Sale 9 May 2025
Value US$1,573,944.48 | Price 94.53 | Shares 16,650
Proposed sale 9 May 2025
Value US$1,573,945.00 | Price 94.53 | Shares 16,650
Sale 2 May 2025
Value US$706,177.28 | Price 92.48 | Shares 7,636
Sale 5 Mar 2025
Value US$1,055,637.12 | Price 91.00 | Shares 11,600
Sale 4 Mar 2025
Value US$871,697.72 | Price 92.73 | Shares 9,400
Proposed sale 4 Mar 2025
Value US$1,947,410.00 | Price 92.73 | Shares 21,000
Sale 16 Aug 2024
Value US$1,174,169.83 | Price 102.46 | Shares 11,460
Proposed sale 16 Aug 2024
Value US$1,174,170.00 | Price 102.46 | Shares 11,460
Sale 6 May 2024
Value US$966,444.00 | Price 96.64 | Shares 10,000
Proposed sale 6 May 2024
Value US$966,444.00 | Price 96.64 | Shares 10,000
Sale 7 Mar 2024
Value US$5,251,302.00 | Price 87.52 | Shares 60,000
Proposed sale 7 Mar 2024
Value US$5,249,451.00 | Price 87.49 | Shares 60,000
Proposed sale 7 Mar 2024
Value US$2,246,237.00 | Price 87.44 | Shares 25,689
Sale 7 Mar 2024
Value US$2,247,029.67 | Price 87.47 | Shares 25,689
Sale 5 Mar 2024
Value US$4,374,025.00 | Price 87.48 | Shares 50,000
Proposed sale 5 Mar 2024
Value US$4,374,024.00 | Price 87.48 | Shares 50,000
Sale 22 Nov 2023
Value US$5,147,766.00 | Price 85.80 | Shares 60,000
Proposed sale 22 Nov 2023
Value US$5,147,768.71 | Price 85.80 | Shares 60,000
Sale 6 Nov 2023
Value US$8,758,235.13 | Price 85.01 | Shares 103,028
Sale 3 Nov 2023
Value US$21,145,742.64 | Price 85.62 | Shares 246,972
Proposed sale 3 Nov 2023
Value US$32,000,000.00 | Price 91.43 | Shares 350,000
Sale 2 Nov 2023
Value US$657,787.52 | Price 89.49 | Shares 7,350
Proposed sale 2 Nov 2023
Value US$657,787.00 | Price 89.49 | Shares 7,350
Sale 19 May 2023
Value US$15,220,920.00 | Price 76.10 | Shares 200,000
Proposed sale 19 May 2023
Value US$15,220,000.00 | Price 76.10 | Shares 200,000
Proposed sale 10 May 2023
Value US$1,183,071.00 | Price 76.79 | Shares 15,406
Sale 10 May 2023
Value US$1,183,071.42 | Price 76.79 | Shares 15,406
Sale 9 May 2023
Value US$3,056,200.00 | Price 76.41 | Shares 40,000
Proposed sale 9 May 2023
Value US$3,056,199.00 | Price 76.40 | Shares 40,000
Sale 8 May 2023
Value US$761,105.00 | Price 76.11 | Shares 10,000
Proposed sale 8 May 2023
Value US$763,388.00 | Price 76.11 | Shares 10,030
Sale 3 May 2023
Value US$5,283,558.00 | Price 75.48 | Shares 70,000
Proposed sale 3 May 2023
Value US$5,283,556.00 | Price 75.48 | Shares 70,000
Sale 1 May 2023
Value US$1,209,479.61 | Price 76.07 | Shares 15,900
Sale 1 May 2023
Value US$1,524,400.72 | Price 76.07 | Shares 20,040
Proposed sale 1 May 2023
Value US$2,733,882.00 | Price 76.07 | Shares 35,940
Sale 2 Mar 2023
Value US$2,104,671.00 | Price 70.16 | Shares 30,000
Sale 21 Feb 2023
Value US$1,069,195.61 | Price 67.61 | Shares 15,814
Sale 15 Feb 2023
Value US$1,764,224.67 | Price 67.01 | Shares 26,329
Sale 15 Nov 2022
Value US$0.00 | Price 0.00 | Shares 250,000
Sale 10 Nov 2022
Value US$0.00 | Price 0.00 | Shares 30,503
Sale 4 Nov 2022
Value US$0.00 | Price 0.00 | Shares 35,625
Sale 31 Oct 2022
Value US$2,854,555.00 | Price 57.09 | Shares 50,000
Buy 28 Oct 2022
Value US$35,200.00 | Price 17.60 | Shares 2,000
Sale 19 Aug 2022
Value US$0.00 | Price 0.00 | Shares 40,000
Sale 19 Aug 2022
Value US$0.00 | Price 0.00 | Shares 112,281
Sale 18 Aug 2022
Value US$0.00 | Price 0.00 | Shares 112,834
Sale 17 Aug 2022
Value US$0.00 | Price 0.00 | Shares 74,885
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
2026-06-04 2026-06-03 S Sale
3.5
Posner Brian S
Non-Executive Director
99,424 -20.1%
357.47
US$2,960,652 		99,424 -20.1% 357.47 US$2,960,652
2026-05-12 2026-05-11 S Sale
3.5
Posner Brian S
Non-Executive Director
865 +22.5%
360.94
US$4,723,753 		865 +22.5% 360.94 US$4,723,753
2026-05-04 2026-04-30 B Purchase
Houston Daniel Joseph
Non-Executive Director
52,497 +40.6%
207.51
US$2,932,544 		52,497 +40.6% 207.51 US$2,932,544
2026-03-12 2026-03-11 S Sale
3.5
Posner Brian S
Non-Executive Director
3,000 -60.0%
17.12
US$51,345 		3,000 -60.0% 17.12 US$51,345
2026-03-12 2026-03-10 S Sale
2.8
Papadopoulo Nicolas

CEO

Executive Director
21,930 -2.5%
96.31
US$2,112,063 		21,930 -2.5% 96.31 US$2,112,063
2026-03-12 2026-03-10 S Sale
2.8
Gansberg David

President, Arch Capital Group

Officer
5,907 -1.7%
96.37
US$569,266 		5,907 -1.7% 96.37 US$569,266
2026-03-10 2026-03-10 PrS Proposed sale
2.8
Gansberg David

Officer

Officer
5,907
96.37
US$569,266 		5,907 96.37 US$569,266
2026-03-10 2026-03-10 PrS Proposed sale
2.8
Papadopoulo Nicolas

Officer

Officer
21,930
96.31
US$2,112,063 		21,930 96.31 US$2,112,063
2026-02-13 2026-02-11 S Sale
2.9
Rajeh Maamoun

President, Arch Capital Group

Officer
47,430 -9.9%
96.12
US$4,558,858 		47,430 -9.9% 96.12 US$4,558,858
2026-02-11 2026-02-11 PrS Proposed sale
2.9
Rajeh Maamoun

Officer

Officer
47,430
96.12
US$4,558,859 		47,430 96.12 US$4,558,859
2025-12-16 2025-12-15 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
8,800 -2.9%
94.17
US$828,684 		8,800 -2.9% 94.17 US$828,684
2025-12-15 2025-12-15 PrS Proposed sale
3.6
PASQUESI JOHN M

Director; CHAIR

Non-Executive Director
8,800
94.17
US$828,683 		8,800 94.17 US$828,683
2025-12-16 2025-12-12 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
175,000 -33.2%
93.91
US$16,434,145 		175,000 -33.2% 93.91 US$16,434,145
2025-12-16 2025-12-12 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
28,866 -5.2%
93.81
US$2,707,902 		28,866 -5.2% 93.81 US$2,707,902
2025-12-12 2025-12-12 PrS Proposed sale
3.6
PASQUESI JOHN M

Director; CHAIR

Non-Executive Director
175,000
93.91
US$16,434,138 		175,000 93.91 US$16,434,138
2025-12-12 2025-12-12 PrS Proposed sale
3.6
John Murray Pasquesi

Director; CHAIR

Non-Executive Director
28,866
93.81
US$2,707,802 		28,866 93.81 US$2,707,802
2025-12-02 2025-11-28 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
8,000 -2.9%
94.62
US$756,996 		8,000 -2.9% 94.62 US$756,996
2025-11-28 2025-11-28 PrS Proposed sale
2.9
Morin Francois

Officer

Officer
8,000
94.62
US$756,996 		8,000 94.62 US$756,996
2025-08-25 2025-08-22 S Sale
2.9
Rajeh Maamoun

PRESIDENT, ARCH CAPITAL GROUP

Officer
10,000 -2.3%
94.15
US$941,464 		10,000 -2.3% 94.15 US$941,464
2025-08-22 2025-08-22 PrS Proposed sale
2.9
Rajeh Maamoun

Officer

Officer
10,000
94.15
US$941,464 		10,000 94.15 US$941,464
2025-08-04 2025-08-01 B Purchase
3.5
Posner Brian S
Non-Executive Director
1,000 +25.0%
17.34
US$17,338 		1,000 +25.0% 17.34 US$17,338
2025-05-20 2025-05-16 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
12,630 -4.4%
94.58
US$1,194,576 		12,630 -4.4% 94.58 US$1,194,576
2025-05-16 2025-05-16 PrS Proposed sale
2.9
Morin Francois

Officer

Officer
12,630
94.58
US$1,194,575 		12,630 94.58 US$1,194,575
2025-05-14 2025-05-13 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
23,996 -4.1%
94.72
US$2,272,940 		23,996 -4.1% 94.72 US$2,272,940
2025-05-13 2025-05-13 PrS Proposed sale
3.6
PASQUESI JOHN M

Director; CHAIR

Non-Executive Director
23,996
94.72
US$2,272,940 		23,996 94.72 US$2,272,940
2025-05-14 2025-05-12 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
75,060 -11.5%
94.01
US$7,056,060 		75,060 -11.5% 94.01 US$7,056,060
2025-05-12 2025-05-12 PrS Proposed sale
3.6
John Murray Pasquesi

Director; CHAIR

Non-Executive Director
75,060
94.01
US$7,056,060 		75,060 94.01 US$7,056,060
2025-05-12 2025-05-09 S Sale
3.0
PETRILLO LOUIS T

OFFICER OF SUBSIDIARY

Officer
16,650 -10.6%
94.53
US$1,573,944 		16,650 -10.6% 94.53 US$1,573,944
2025-05-09 2025-05-09 PrS Proposed sale
3.0
PETRILLO LOUIS T

Officer

Officer
16,650
94.53
US$1,573,945 		16,650 94.53 US$1,573,945
2025-05-06 2025-05-02 S Sale
2.8
Papadopoulo Nicolas

CEO

Executive Director
7,636 -1.0%
92.48
US$706,177 		7,636 -1.0% 92.48 US$706,177
2025-03-06 2025-03-05 S Sale
3.0
PETRILLO LOUIS T

OFFICER OF SUBSIDIARY

Officer
11,600 -7.7%
91.00
US$1,055,637 		11,600 -7.7% 91.00 US$1,055,637
2025-03-06 2025-03-04 S Sale
3.0
PETRILLO LOUIS T

OFFICER OF SUBSIDIARY

Officer
9,400 -6.3%
92.73
US$871,698 		9,400 -6.3% 92.73 US$871,698
2025-03-04 2025-03-04 PrS Proposed sale
3.0
PETRILLO LOUIS T

Officer

Officer
21,000
92.73
US$1,947,410 		21,000 92.73 US$1,947,410
2024-08-19 2024-08-16 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
11,460 -4.9%
102.46
US$1,174,170 		11,460 -4.9% 102.46 US$1,174,170
2024-08-16 2024-08-16 PrS Proposed sale
2.9
Morin Francois

Officer

Officer
11,460
102.46
US$1,174,170 		11,460 102.46 US$1,174,170
2024-05-07 2024-05-06 S Sale
2.8
Gansberg David

CEO, GLOBAL MORTGAGE GROUP

Officer
10,000 -4.2%
96.64
US$966,444 		10,000 -4.2% 96.64 US$966,444
2024-05-06 2024-05-06 PrS Proposed sale
2.8
Gansberg David

Officer

Officer
10,000
96.64
US$966,444 		10,000 96.64 US$966,444
2024-03-08 2024-03-07 S Sale
2.8
Papadopoulo Nicolas

OFFICER OF SUBSIDIARY

Officer
60,000 -8.4%
87.52
US$5,251,302 		60,000 -8.4% 87.52 US$5,251,302
2024-03-07 2024-03-07 PrS Proposed sale
2.8
Papadopoulo Nicolas

Officer

Officer
60,000
87.49
US$5,249,451 		60,000 87.49 US$5,249,451
2024-03-07 2024-03-07 PrS Proposed sale
2.9
Morin Francois

Officer

Officer
25,689
87.44
US$2,246,237 		25,689 87.44 US$2,246,237
2024-03-07 2024-03-07 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
25,689 -10.4%
87.47
US$2,247,030 		25,689 -10.4% 87.47 US$2,247,030
2024-03-07 2024-03-05 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
50,000 -12.9%
87.48
US$4,374,025 		50,000 -12.9% 87.48 US$4,374,025
2024-03-05 2024-03-05 PrS Proposed sale
2.9
Rajeh Maamoun

Officer

Officer
50,000
87.48
US$4,374,024 		50,000 87.48 US$4,374,024
2023-11-27 2023-11-22 S Sale
2.8
Papadopoulo Nicolas

OFFICER OF SUBSIDIARY

Officer
60,000 -8.7%
85.80
US$5,147,766 		60,000 -8.7% 85.80 US$5,147,766
2023-11-22 2023-11-22 PrS Proposed sale
2.8
Papadopoulo Nicolas

Officer

Officer
60,000
85.80
US$5,147,769 		60,000 85.80 US$5,147,769
2023-11-07 2023-11-06 S Sale
3.1
GRANDISSON MARC

CEO

Executive Director
103,028 -5.0%
85.01
US$8,758,235 		103,028 -5.0% 85.01 US$8,758,235
2023-11-07 2023-11-03 S Sale
3.1
GRANDISSON MARC

CEO

Executive Director
246,972 -10.8%
85.62
US$21,145,743 		246,972 -10.8% 85.62 US$21,145,743
2023-11-03 2023-11-03 PrS Proposed sale
3.1
Marc Grandisson

Officer

Officer
350,000
91.43
US$32,000,000 		350,000 91.43 US$32,000,000
2023-11-06 2023-11-02 S Sale
2.8
Gansberg David

CEO, GLOBAL MORTGAGE GROUP

Officer
7,350 -3.4%
89.49
US$657,788 		7,350 -3.4% 89.49 US$657,788
2023-11-02 2023-11-02 PrS Proposed sale
2.8
Gansberg David

Officer

Officer
7,350
89.49
US$657,787 		7,350 89.49 US$657,787
2023-05-23 2023-05-19 S Sale
3.1
GRANDISSON MARC

CEO

Executive Director
200,000 -8.0%
76.10
US$15,220,920 		200,000 -8.0% 76.10 US$15,220,920
2023-05-19 2023-05-19 PrS Proposed sale
3.1
marc grandisson

Officer

Officer
200,000
76.10
US$15,220,000 		200,000 76.10 US$15,220,000
2023-05-10 2023-05-10 PrS Proposed sale
3.0
PETRILLO LOUIS T

Officer

Officer
15,406
76.79
US$1,183,071 		15,406 76.79 US$1,183,071
2023-05-10 2023-05-10 S Sale
3.0
PETRILLO LOUIS T

OFFICER OF SUBSIDIARY

Officer
15,406 -12.8%
76.79
US$1,183,071 		15,406 -12.8% 76.79 US$1,183,071
2023-05-10 2023-05-09 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
40,000 -10.7%
76.41
US$3,056,200 		40,000 -10.7% 76.41 US$3,056,200
2023-05-09 2023-05-09 PrS Proposed sale
2.9
Rajeh Maamoun

Officer

Officer
40,000
76.40
US$3,056,199 		40,000 76.40 US$3,056,199
2023-05-10 2023-05-08 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
10,000 -4.9%
76.11
US$761,105 		10,000 -4.9% 76.11 US$761,105
2023-05-08 2023-05-08 PrS Proposed sale
2.9
Morin Francois

Officer

Officer
10,030
76.11
US$763,388 		10,030 76.11 US$763,388
2023-05-05 2023-05-03 S Sale
2.8
Papadopoulo Nicolas

OFFICER OF SUBSIDIARY

Officer
70,000 -9.2%
75.48
US$5,283,558 		70,000 -9.2% 75.48 US$5,283,558
2023-05-03 2023-05-03 PrS Proposed sale
2.8
Papadopoulo Nicolas

Officer

Officer
70,000
75.48
US$5,283,556 		70,000 75.48 US$5,283,556
2023-05-03 2023-05-01 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
15,900 -4.1%
76.07
US$1,209,480 		15,900 -4.1% 76.07 US$1,209,480
2023-05-03 2023-05-01 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
20,040 -5.1%
76.07
US$1,524,401 		20,040 -5.1% 76.07 US$1,524,401
2023-05-01 2023-05-01 PrS Proposed sale
2.9
Rajeh Maamoun

Officer

Officer
35,940
76.07
US$2,733,882 		35,940 76.07 US$2,733,882
2023-03-06 2023-03-02 S Sale
2.8
Papadopoulo Nicolas

OFFICER OF SUBSIDIARY

Officer
30,000 -3.8%
70.16
US$2,104,671 		30,000 -3.8% 70.16 US$2,104,671
2023-02-21 2023-02-21 S Sale
2.9
Morin Francois

EVP AND CFO

Officer
15,814 -7.8%
67.61
US$1,069,196 		15,814 -7.8% 67.61 US$1,069,196
2023-02-17 2023-02-15 S Sale
3.6
PASQUESI JOHN M
Non-Executive Director
26,329 -3.4%
67.01
US$1,764,225 		26,329 -3.4% 67.01 US$1,764,225
2022-11-17 2022-11-15 S Sale
BUNCE JOHN L JR
Non-Executive Director
250,000
0.00
US$0 		250,000 0.00 US$0
2022-11-14 2022-11-10 S Sale
2.8
Gansberg David

CEO, GLOBAL MORTGAGE GROUP

Officer
30,503
0.00
US$0 		30,503 0.00 US$0
2022-11-08 2022-11-04 S Sale
2.8
Papadopoulo Nicolas

OFFICER OF SUBSIDIARY

Officer
35,625
0.00
US$0 		35,625 0.00 US$0
2022-11-02 2022-10-31 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
50,000 -12.1%
57.09
US$2,854,555 		50,000 -12.1% 57.09 US$2,854,555
2022-11-01 2022-10-28 B Purchase
3.5
Posner Brian S
Non-Executive Director
2,000 +100.0%
17.60
US$35,200 		2,000 +100.0% 17.60 US$35,200
2022-08-22 2022-08-19 S Sale
2.9
Rajeh Maamoun

CHAIRMAN & CEO ARCH RE GROUP

Officer
40,000
0.00
US$0 		40,000 0.00 US$0
2022-08-19 2022-08-19 S Sale
BUNCE JOHN L JR
Non-Executive Director
112,281
0.00
US$0 		112,281 0.00 US$0
2022-08-19 2022-08-18 S Sale
BUNCE JOHN L JR
Non-Executive Director
112,834
0.00
US$0 		112,834 0.00 US$0
2022-08-19 2022-08-17 S Sale
BUNCE JOHN L JR
Non-Executive Director
74,885
0.00
US$0 		74,885 0.00 US$0
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