SEC CIK 1335111
Begor Mark W
Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| EFXview stock → | 271,890 | 2026-07-24 |
| FICOview stock → | 3,174 | 2018-03-21 |
| RJFview stock → | 2,285 | 2026-02-19 |
Position History — EFX
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — EFX
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-07-24 | Option exercise (derivative) | 37,791 | $0.00 | 37,792 |
| 2026-07-24 | Open-market sale | 21,543 | $172.00 | 271,890 |
| 2026-07-24 | Open-market sale | 6,200 | $171.26 | 293,433 |
| 2026-07-24 | Open-market sale | 4,112 | $172.79 | 299,633 |
| 2026-07-24 | Open-market sale | 2,936 | $173.79 | 303,745 |
| 2026-07-24 | Open-market sale | 1,300 | $174.91 | 306,681 |
| 2026-07-24 | Open-market sale | 600 | $168.47 | 307,981 |
| 2026-07-24 | Open-market sale | 600 | $169.86 | 308,581 |
| 2026-07-24 | Open-market sale | 500 | $175.85 | 309,181 |
| 2026-07-24 | Option exercise | 37,791 | $112.46 | 309,681 |
| 2026-04-24 | Option exercise (derivative) | 37,791 | $112.46 | 75,583 |
| 2026-04-24 | Open-market sale | 20,471 | $172.46 | 271,730 |
| 2026-04-24 | Open-market sale | 10,944 | $171.57 | 292,201 |
| 2026-04-24 | Open-market sale | 4,659 | $173.39 | 303,145 |
| 2026-04-24 | Open-market sale | 1,717 | $174.32 | 307,804 |
| 2026-04-24 | Option exercise | 37,791 | $112.46 | 309,521 |
| 2026-02-25 | Grant / award | 40,955 | $0.00 | 271,461 |
| 2026-02-10 | Option exercise (derivative) | 37,791 | $0.00 | 113,374 |
| 2026-02-10 | Open-market sale | 18,352 | $202.15 | 230,506 |
| 2026-02-10 | Open-market sale | 1,772 | $200.03 | 263,915 |
| 2026-02-10 | Open-market sale | 4,057 | $201.26 | 259,858 |
| 2026-02-10 | Open-market sale | 11,000 | $203.08 | 248,858 |
| 2026-02-10 | Option exercise | 37,791 | $112.46 | 236,778 |
| 2026-02-10 | Grant / award | 33,278 | $0.00 | 270,056 |
| 2026-02-10 | Open-market sale | 201 | $197.79 | 269,855 |
| 2026-02-10 | Open-market sale | 213 | $203.76 | 269,642 |
| 2026-02-10 | Open-market sale | 227 | $192.89 | 269,415 |
| 2026-02-10 | Open-market sale | 331 | $194.22 | 269,084 |
| 2026-02-10 | Open-market sale | 364 | $195.40 | 268,720 |
| 2026-02-10 | Open-market sale | 445 | $196.43 | 268,275 |
| 2026-02-10 | Open-market sale | 829 | $199.00 | 267,446 |
| 2026-02-10 | Tax withholding | 1,759 | $202.71 | 265,687 |
| 2026-02-03 | Grant / award | 59,123 | $0.00 | 201,392 |
| 2026-02-03 | Tax withholding | 2,405 | $175.05 | 198,987 |
| 2025-12-31 | Tax withholding | 997 | $216.98 | 142,091 |
| 2025-10-27 | Option exercise (derivative) | 27,959 | $0.00 | 0 |
| 2025-10-27 | Open-market sale | 5,274 | $232.27 | 27,917 |
| 2025-10-27 | Open-market sale | 5,872 | $230.16 | 22,045 |
| 2025-10-27 | Option exercise | 27,959 | $191.44 | 170,940 |
| 2025-10-27 | Gift | 47 | $0.00 | 170,893 |
| 2025-10-27 | Open-market sale | 174 | $233.88 | 170,719 |
| 2025-10-27 | Open-market sale | 3,995 | $229.12 | 33,191 |
| 2025-10-27 | Open-market sale | 3,757 | $231.46 | 166,758 |
| 2025-10-27 | Open-market sale | 4,015 | $233.01 | 162,743 |
| 2025-10-27 | Open-market sale | 6,227 | $229.20 | 156,516 |
| 2025-10-27 | Open-market sale | 6,639 | $230.18 | 149,877 |
| 2025-10-27 | Open-market sale | 6,943 | $232.19 | 142,934 |
| 2025-10-27 | Open-market sale | 37 | $233.95 | 43,394 |
| 2025-10-27 | Open-market sale | 76 | $234.93 | 43,318 |
| 2025-10-27 | Open-market sale | 2,801 | $233.12 | 40,517 |
| 2025-10-27 | Open-market sale | 3,331 | $231.59 | 37,186 |
| 2025-10-27 | Open-market sale | 204 | $235.22 | 170,515 |
| 2025-07-28 | Option exercise (derivative) | 27,960 | $0.00 | 27,959 |
| 2025-07-28 | Open-market sale | 364 | $244.95 | 190,772 |
| 2025-07-28 | Open-market sale | 19,841 | $240.95 | 142,872 |
| 2025-07-28 | Open-market sale | 831 | $243.90 | 189,941 |
| 2025-07-28 | Open-market sale | 9,497 | $242.70 | 180,444 |
| 2025-07-28 | Open-market sale | 17,731 | $241.87 | 162,713 |
| 2025-07-28 | Option exercise | 27,960 | $191.44 | 191,136 |
| 2025-04-28 | Option exercise (derivative) | 22,160 | $0.00 | 0 |
| 2025-04-28 | Open-market sale | 22,160 | $256.61 | 142,395 |
| 2025-04-28 | Option exercise | 22,160 | $175.48 | 164,555 |
| 2025-02-13 | Option exercise (derivative) | 22,161 | $0.00 | 22,160 |
| 2025-02-13 | Open-market sale | 7,151 | $251.60 | 142,243 |
| 2025-02-13 | Open-market sale | 6,199 | $250.74 | 149,394 |
| 2025-02-13 | Open-market sale | 5,214 | $255.27 | 155,593 |
| 2025-02-13 | Option exercise | 22,161 | $175.48 | 164,404 |
| 2025-02-13 | Open-market sale | 595 | $253.60 | 163,809 |
| 2025-02-13 | Open-market sale | 1,402 | $256.31 | 162,407 |
| 2025-02-13 | Open-market sale | 1,600 | $252.38 | 160,807 |
| 2025-02-11 | Tax withholding | 1,213 | $253.00 | 142,243 |
| 2025-02-11 | Grant / award | 20,527 | $0.00 | 143,456 |
| 2025-02-10 | Grant / award (derivative) | 21,668 | $0.00 | 21,668 |
| 2025-02-10 | Grant / award (derivative) | 23,519 | $0.00 | 23,519 |
| 2025-02-10 | Grant / award | 13,524 | $0.00 | 122,929 |
| 2024-10-25 | Option exercise (derivative) | 58,304 | $0.00 | 0 |
| 2024-10-25 | Open-market sale | 21,447 | $269.49 | 131,437 |
| 2024-10-25 | Open-market sale | 22,254 | $270.45 | 109,183 |
| 2024-10-25 | Open-market sale | 6,900 | $271.68 | 160,587 |
| 2024-10-25 | Open-market sale | 7,703 | $272.32 | 152,884 |
| 2024-10-25 | Option exercise | 58,304 | $149.53 | 167,487 |
| 2024-07-26 | Option exercise (derivative) | 23,892 | $0.00 | 0 |
| 2024-07-26 | Option exercise (derivative) | 34,408 | $0.00 | 58,304 |
| 2024-07-26 | Open-market sale | 5,671 | $267.54 | 157,543 |
| 2024-07-26 | Open-market sale | 7,958 | $268.04 | 149,585 |
| 2024-07-26 | Open-market sale | 17,594 | $269.38 | 131,991 |
| 2024-07-26 | Open-market sale | 22,873 | $270.24 | 109,118 |
| 2024-07-26 | Open-market sale | 4,204 | $271.04 | 163,214 |
| 2024-07-26 | Option exercise | 23,892 | $138.45 | 167,418 |
| 2024-07-26 | Option exercise | 34,408 | $149.53 | 143,526 |
| 2024-07-23 | Gift | 1,853 | $0.00 | 109,118 |
| 2024-04-26 | Option exercise (derivative) | 53,003 | $138.45 | 23,892 |
| 2024-04-26 | Option exercise (derivative) | 5,297 | $127.37 | 0 |
| 2024-04-26 | Option exercise | 53,003 | $138.45 | 162,223 |
| 2024-04-26 | Option exercise | 5,297 | $127.37 | 167,520 |
| 2024-04-26 | Open-market sale | 3,129 | $227.06 | 164,391 |
| 2024-04-26 | Open-market sale | 18,907 | $225.88 | 145,484 |
| 2024-04-26 | Open-market sale | 36,264 | $225.08 | 109,220 |
| 2024-02-28 | Option exercise (derivative) | 58,300 | $0.00 | 5,297 |
| 2024-02-28 | Open-market sale | 18,323 | $266.88 | 143,952 |
| 2024-02-28 | Open-market sale | 35,040 | $267.94 | 108,912 |
| 2024-02-28 | Open-market sale | 2,008 | $268.58 | 162,275 |
| 2024-02-28 | Option exercise | 58,300 | $127.37 | 167,212 |
| 2024-02-28 | Open-market sale | 1,939 | $265.99 | 164,283 |
| 2024-02-28 | Open-market sale | 990 | $264.97 | 166,222 |
| 2024-02-12 | Tax withholding | 2,114 | $255.78 | 108,912 |
| 2024-02-12 | Grant / award | 39,822 | $0.00 | 111,026 |
| 2024-02-09 | Grant / award (derivative) | 15,662 | $0.00 | 15,662 |
| 2024-02-09 | Grant / award (derivative) | 14,097 | $0.00 | 14,097 |
| 2024-02-09 | Grant / award | 8,107 | $0.00 | 71,204 |
| 2023-11-01 | Open-market sale | 2,054 | $165.68 | 63,011 |
| 2023-11-01 | Open-market sale | 1,872 | $168.39 | 65,065 |
| 2023-11-01 | Open-market sale | 1,504 | $165.07 | 66,937 |
| 2023-11-01 | Open-market sale | 1,482 | $166.92 | 68,441 |
| 2023-11-01 | Open-market sale | 88 | $168.88 | 69,923 |
| 2023-08-02 | Open-market sale | 473 | $200.32 | 76,429 |
| 2023-08-02 | Open-market sale | 5,740 | $201.37 | 69,902 |
| 2023-08-02 | Open-market sale | 787 | $202.11 | 75,642 |
| 2023-05-18 | Open-market sale | 808 | $206.22 | 140,188 |
| 2023-05-18 | Open-market sale | 650 | $207.62 | 140,996 |
| 2023-05-18 | Open-market sale | 4,016 | $208.49 | 134,646 |
| 2023-05-18 | Open-market sale | 1,526 | $209.49 | 138,662 |
| 2023-02-21 | Grant / award | 30,816 | $0.00 | 108,647 |
| 2023-02-21 | Tax withholding | 19,764 | $203.81 | 88,883 |
| 2023-02-10 | Grant / award (derivative) | 18,346 | $0.00 | 18,346 |
| 2023-02-10 | Grant / award (derivative) | 16,580 | $0.00 | 16,580 |
| 2023-02-10 | Grant / award | 9,799 | $0.00 | 77,831 |
| 2022-10-26 | Open-market sale | 640 | $167.66 | 102,898 |
| 2022-10-26 | Open-market sale | 713 | $162.19 | 102,185 |
| 2022-10-26 | Open-market sale | 2,394 | $165.58 | 99,791 |
| 2022-10-26 | Open-market sale | 3,148 | $166.98 | 96,643 |
| 2022-10-26 | Open-market sale | 3,725 | $164.71 | 92,918 |
| 2022-10-26 | Open-market sale | 380 | $163.45 | 103,538 |
| 2022-07-29 | Grant / award (derivative) | 43,440 | $0.00 | 43,440 |
| 2022-07-29 | Grant / award (derivative) | 48,281 | $0.00 | 48,281 |
| 2022-07-29 | Grant / award | 23,934 | $0.00 | 103,798 |
| 2022-04-27 | Open-market sale | 995 | $209.73 | 55,045 |
| 2022-04-27 | Open-market sale | 429 | $200.78 | 58,263 |
| 2022-04-27 | Open-market sale | 490 | $207.71 | 57,773 |
| 2022-04-27 | Open-market sale | 741 | $208.73 | 57,032 |
| 2022-04-27 | Open-market sale | 3,869 | $203.63 | 43,692 |
| 2022-04-27 | Open-market sale | 2,225 | $204.70 | 47,561 |
| 2022-04-27 | Open-market sale | 2,147 | $202.90 | 49,786 |
| 2022-04-27 | Open-market sale | 1,962 | $205.76 | 51,933 |
| 2022-04-27 | Open-market sale | 1,150 | $201.68 | 53,895 |
| 2022-04-27 | Open-market sale | 992 | $206.87 | 56,040 |
| 2022-02-22 | Grant / award | 86,818 | $0.00 | 145,120 |
| 2022-02-22 | Tax withholding | 46,485 | $212.24 | 98,635 |
| 2022-02-11 | Grant / award (derivative) | 17,522 | $0.00 | 17,522 |
| 2022-02-11 | Grant / award (derivative) | 19,649 | $0.00 | 19,649 |
| 2022-02-11 | Grant / award | 8,978 | $0.00 | 58,302 |
| 2021-05-04 | Tax withholding | 75,479 | $237.01 | 141,008 |
| 2021-05-04 | Grant / award | 128,264 | $0.00 | 216,487 |
| 2021-02-12 | Grant / award (derivative) | 26,751 | $0.00 | 26,751 |
| 2021-02-12 | Grant / award (derivative) | 30,596 | $0.00 | 30,596 |
| 2021-02-12 | Grant / award | 11,400 | $0.00 | 88,046 |
| 2020-02-21 | Grant / award (derivative) | 44,321 | $0.00 | 44,321 |
| 2020-02-21 | Grant / award (derivative) | 55,919 | $0.00 | 55,919 |
| 2020-02-21 | Grant / award | 12,694 | $0.00 | 76,003 |
| 2019-02-22 | Grant / award (derivative) | 92,712 | $0.00 | 92,712 |
| 2019-02-22 | Grant / award (derivative) | 63,597 | $0.00 | 63,597 |
| 2019-02-22 | Grant / award (derivative) | 76,895 | $0.00 | 76,895 |
| 2019-02-22 | Grant / award | 15,800 | $0.00 | 62,670 |
| 2018-05-25 | Open-market buy | 8,700 | $115.01 | 46,491 |
| 2018-05-04 | Grant / award (derivative) | 62,246 | $0.00 | 151,165 |
| 2018-05-04 | Grant / award (derivative) | 88,919 | $0.00 | 88,919 |
| 2018-05-04 | Grant / award | 15,561 | $0.00 | 37,791 |
| 2018-05-04 | Grant / award | 22,230 | $0.00 | 22,230 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.