Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-05-02 Sale | 2025-05-06 5:16 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 7,636 | $92.48 | $706,177 | 795,718 (Direct) | View |
2024-03-07 Sale | 2024-03-08 5:47 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 60,000 | $87.52 | $5,251,302 | 651,931 (Direct) | View |
2023-11-22 Sale | 2023-11-27 5:47 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 60,000 | $85.8 | $5,147,766 | 630,387 (Direct) | View |
2023-05-03 Sale | 2023-05-05 12:38 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 70,000 | $75.48 | $5,283,558 | 689,970 (Direct) | View |
2023-03-02 Sale | 2023-03-06 5:44 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 30,000 | $70.16 | $2,104,671 | 759,970 (Direct) | View |
2022-11-04 Sale | 2022-11-08 5:48 pm | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 35,625 | $0 | $0 | 766,178 (Direct) | View |
2021-07-01 Sale | 2021-07-02 09:06 am | Watford Holdings Ltd. | WTRE | Papadopoulo Nicolas Director | 109,700 | $35 | $3,839,500 | 0 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-05-02 Exercise(A) | 2025-05-08 09:15 am | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 9,213 | $15.84 | 803,354 (Direct) | View |
2025-05-02 Tax Withholding(A) | 2025-05-08 09:15 am | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 1,577 | $92.48 | 803,354 (Direct) | View |
2025-05-02 Exercise(A) | 2025-05-08 09:15 am | N/A 2025-05-13 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 9,213 | $0 | 803,354 (Direct) | View |
2025-05-02 Exercise | 2025-05-06 5:16 pm | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 9,213 | $15.84 | 795,718 (Direct) | View |
2025-05-02 Tax Withholding | 2025-05-06 5:16 pm | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 1,577 | $92.48 | 795,718 (Direct) | View |
2025-05-02 Exercise | 2025-05-06 5:16 pm | N/A 2025-05-13 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 9,213 | $0 | 795,718 (Direct) | View |
2025-03-04 Option Award | 2025-03-06 5:05 pm | N/A 2035-03-04 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 71,921 | $0 | 851,791 (Direct) | View |
2025-02-27 Option Award | 2025-03-03 9:16 pm | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 55,532 | $0 | 779,870 (Direct) | View |
2024-11-19 Option Award | 2024-11-21 4:32 pm | 2027-11-19 2034-11-19 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas CEO | 634,975 | $0 | 1,287,205 (Direct) | View |
2024-02-27 Option Award | 2024-02-29 4:31 pm | N/A 2034-02-27 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 35,675 | $0 | 739,764 (Direct) | View |
2024-02-23 Option Award | 2024-02-27 5:03 pm | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 73,702 | $0 | 704,089 (Direct) | View |
2023-02-24 Option Award | 2023-02-28 7:34 pm | N/A 2033-02-24 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas OFFICER OF SUBSIDIARY | 54,453 | $0 | 821,234 (Direct) | View |
2022-02-25 Option Award | 2022-02-28 5:54 pm | N/A 2032-02-25 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas President & CUO | 101,954 | $0 | 847,498 (Direct) | View |
2021-02-26 Option Award | 2021-03-02 4:51 pm | N/A N/A | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas President & CUO | 51,696 | $0 | 744,779 (Direct) | View |
2021-02-26 Option Award | 2021-03-01 3:26 pm | N/A 2031-02-26 | ARCH CAPITAL GROUP LTD. | ACGL | Papadopoulo Nicolas President & CUO | 78,602 | $0 | 758,285 (Direct) | View |