SEC CIK 1576905
Blumofe Robert
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AKAMview stock → | 31,006 | 2026-06-18 |
Position History — AKAM
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AKAM
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-18 | Open-market sale | 243 | $129.41 | 31,006 |
| 2026-03-06 | Option exercise (derivative) | 5,116 | $0.00 | 0 |
| 2026-03-06 | Tax withholding | 2,474 | $101.00 | 31,110 |
| 2026-03-06 | Option exercise | 5,116 | — | 33,584 |
| 2026-03-04 | Option exercise (derivative) | 3,495 | $0.00 | 3,496 |
| 2026-03-04 | Tax withholding | 1,690 | $102.08 | 28,468 |
| 2026-03-04 | Option exercise | 3,495 | — | 30,158 |
| 2026-03-03 | Option exercise (derivative) | 5,293 | $0.00 | 10,589 |
| 2026-03-03 | Tax withholding | 2,560 | $97.64 | 26,663 |
| 2026-03-03 | Option exercise | 5,293 | — | 29,223 |
| 2026-03-02 | Grant / award (derivative) | 14,456 | $0.00 | 14,456 |
| 2026-02-20 | Tax withholding | 2,905 | $94.17 | 23,930 |
| 2026-02-20 | Grant / award | 6,617 | $0.00 | 26,835 |
| 2026-02-19 | Grant / award (derivative) | 2,154 | $0.00 | 3,279 |
| 2026-02-19 | Option exercise (derivative) | 7,906 | $0.00 | 0 |
| 2026-02-19 | Grant / award (derivative) | 3,152 | $0.00 | 7,906 |
| 2026-02-19 | Grant / award (derivative) | 3,262 | $0.00 | 3,262 |
| 2026-02-19 | Option exercise | 7,906 | — | 22,480 |
| 2026-02-19 | Tax withholding | 2,262 | $109.31 | 20,218 |
| 2026-02-13 | Open-market sale | 3,500 | $108.00 | 14,574 |
| 2026-01-22 | Open-market sale | 3,500 | $97.00 | 18,074 |
| 2025-11-14 | Open-market sale | 3,000 | $87.68 | 21,410 |
| 2025-11-07 | Open-market sale | 3,500 | $86.00 | 24,410 |
| 2025-08-22 | Open-market sale | 3,000 | $77.00 | 27,910 |
| 2025-06-12 | Open-market sale | 3,254 | $77.97 | 30,910 |
| 2025-03-07 | Option exercise (derivative) | 2,738 | $0.00 | 0 |
| 2025-03-07 | Tax withholding | 1,324 | $82.81 | 34,032 |
| 2025-03-07 | Option exercise | 2,738 | — | 35,356 |
| 2025-03-06 | Option exercise (derivative) | 5,115 | $0.00 | 5,116 |
| 2025-03-06 | Option exercise | 5,115 | $0.00 | 35,092 |
| 2025-03-06 | Tax withholding | 2,474 | $82.82 | 32,618 |
| 2025-03-04 | Option exercise (derivative) | 3,495 | $0.00 | 6,991 |
| 2025-03-04 | Option exercise | 3,495 | $0.00 | 31,747 |
| 2025-03-04 | Tax withholding | 1,770 | $81.00 | 29,977 |
| 2025-03-03 | Grant / award (derivative) | 15,882 | $0.00 | 15,882 |
| 2025-03-03 | Grant / award (derivative) | 6,353 | $0.00 | 6,353 |
| 2025-03-03 | Grant / award (derivative) | 9,529 | $0.00 | 9,529 |
| 2025-02-21 | Grant / award | 3,837 | $0.00 | 29,963 |
| 2025-02-21 | Tax withholding | 1,711 | $76.73 | 28,252 |
| 2025-02-19 | Option exercise (derivative) | 7,910 | $0.00 | 0 |
| 2025-02-19 | Option exercise (derivative) | 1,149 | $0.00 | 0 |
| 2025-02-19 | Option exercise | 1,149 | $0.00 | 20,794 |
| 2025-02-19 | Tax withholding | 338 | $99.32 | 20,456 |
| 2025-02-19 | Option exercise | 7,910 | $0.00 | 28,366 |
| 2025-02-19 | Tax withholding | 2,240 | $99.32 | 26,126 |
| 2024-11-15 | Open-market sale | 2,500 | $88.61 | 19,510 |
| 2024-08-16 | Open-market sale | 2,500 | $100.69 | 22,010 |
| 2024-06-14 | Open-market sale | 3,000 | $88.34 | 24,729 |
| 2024-06-14 | Open-market sale | 219 | $88.34 | 24,510 |
| 2024-03-07 | Option exercise (derivative) | 2,738 | $0.00 | 2,738 |
| 2024-03-07 | Tax withholding | 1,324 | $110.16 | 27,621 |
| 2024-03-07 | Option exercise | 2,738 | $0.00 | 28,945 |
| 2024-03-06 | Option exercise (derivative) | 5,114 | $0.00 | 10,231 |
| 2024-03-06 | Option exercise | 5,114 | $0.00 | 28,680 |
| 2024-03-06 | Tax withholding | 2,473 | $109.38 | 26,207 |
| 2024-03-04 | Open-market sale | 6,000 | $110.60 | 23,566 |
| 2024-03-04 | Grant / award (derivative) | 10,486 | $0.00 | 10,486 |
| 2024-03-04 | Grant / award (derivative) | 4,194 | $0.00 | 4,194 |
| 2024-03-04 | Grant / award (derivative) | 6,291 | $0.00 | 6,291 |
| 2024-03-01 | Option exercise (derivative) | 3,197 | $0.00 | 0 |
| 2024-03-01 | Tax withholding | 2,118 | $110.92 | 29,566 |
| 2024-03-01 | Option exercise | 3,197 | $0.00 | 31,684 |
| 2024-02-21 | Option exercise (derivative) | 2,468 | $0.00 | 0 |
| 2024-02-21 | Option exercise (derivative) | 11,847 | $0.00 | 0 |
| 2024-02-21 | Tax withholding | 2,609 | $107.16 | 19,017 |
| 2024-02-21 | Grant / award | 5,882 | $0.00 | 21,626 |
| 2024-02-21 | Tax withholding | 1,095 | $108.36 | 28,487 |
| 2024-02-21 | Option exercise | 2,468 | $0.00 | 29,582 |
| 2024-02-21 | Tax withholding | 3,750 | $108.36 | 27,114 |
| 2024-02-21 | Option exercise | 11,847 | $0.00 | 30,864 |
| 2023-11-17 | Open-market sale | 2,000 | $111.47 | 15,609 |
| 2023-08-18 | Open-market sale | 2,000 | $99.53 | 17,609 |
| 2023-08-09 | Open-market sale | 3,000 | $101.08 | 19,609 |
| 2023-06-15 | Open-market sale | 7,238 | $91.18 | 22,609 |
| 2023-03-15 | Open-market sale | 4,000 | $72.08 | 29,716 |
| 2023-03-07 | Option exercise (derivative) | 2,737 | $0.00 | 5,476 |
| 2023-03-07 | Tax withholding | 1,223 | $74.94 | 33,716 |
| 2023-03-07 | Option exercise | 2,737 | $0.00 | 34,939 |
| 2023-03-07 | Option exercise (derivative) | 2,737 | $0.00 | 5,476 |
| 2023-03-07 | Tax withholding | 1,223 | $74.94 | 33,716 |
| 2023-03-07 | Option exercise | 2,737 | $0.00 | 34,939 |
| 2023-03-06 | Grant / award (derivative) | 15,345 | $0.00 | 15,345 |
| 2023-03-06 | Grant / award (derivative) | 6,138 | $0.00 | 6,138 |
| 2023-03-06 | Grant / award (derivative) | 9,207 | $0.00 | 9,207 |
| 2023-03-06 | Grant / award (derivative) | 9,207 | $0.00 | 9,207 |
| 2023-03-06 | Grant / award (derivative) | 6,138 | $0.00 | 6,138 |
| 2023-03-06 | Grant / award (derivative) | 15,345 | $0.00 | 15,345 |
| 2023-03-03 | Option exercise (derivative) | 4,136 | $0.00 | 0 |
| 2023-03-03 | Tax withholding | 1,848 | $73.51 | 32,202 |
| 2023-03-03 | Option exercise | 4,136 | $0.00 | 34,050 |
| 2023-03-01 | Option exercise (derivative) | 3,196 | $0.00 | 3,197 |
| 2023-03-01 | Tax withholding | 1,502 | $72.60 | 29,914 |
| 2023-03-01 | Option exercise | 3,196 | $0.00 | 31,416 |
| 2023-02-21 | Option exercise (derivative) | 14,545 | $0.00 | 0 |
| 2023-02-21 | Tax withholding | 1,014 | $76.40 | 18,386 |
| 2023-02-21 | Option exercise | 14,545 | $0.00 | 32,931 |
| 2023-02-21 | Tax withholding | 4,711 | $77.30 | 28,220 |
| 2023-02-21 | Grant / award | 3,277 | $0.00 | 19,400 |
| 2022-11-11 | Open-market sale | 5,000 | $92.92 | 9,835 |
| 2022-08-12 | Open-market sale | 5,000 | $94.25 | 14,835 |
| 2022-05-13 | Open-market sale | 5,000 | $97.68 | 19,725 |
| 2022-04-08 | Open-market sale | 3,308 | $119.19 | 24,725 |
| 2022-03-08 | Open-market sale | 8,000 | $109.15 | 28,033 |
| 2022-03-07 | Grant / award (derivative) | 8,213 | $0.00 | 8,213 |
| 2022-03-07 | Grant / award (derivative) | 8,213 | $0.00 | 8,213 |
| 2022-03-07 | Grant / award (derivative) | 4,106 | $0.00 | 4,106 |
| 2022-03-03 | Option exercise (derivative) | 4,135 | $0.00 | 4,136 |
| 2022-03-03 | Tax withholding | 1,836 | $0.00 | 36,033 |
| 2022-03-03 | Option exercise | 4,135 | $0.00 | 37,869 |
| 2022-03-01 | Option exercise (derivative) | 3,196 | $0.00 | 6,393 |
| 2022-03-01 | Option exercise (derivative) | 5,065 | $0.00 | 0 |
| 2022-03-01 | Option exercise | 3,196 | $0.00 | 35,412 |
| 2022-03-01 | Tax withholding | 1,678 | $0.00 | 33,734 |
| 2022-03-01 | Option exercise | 5,065 | $0.00 | 34,465 |
| 2022-03-01 | Tax withholding | 2,249 | $0.00 | 32,216 |
| 2022-02-22 | Tax withholding | 2,023 | $0.00 | 29,400 |
| 2022-02-22 | Grant / award | 6,772 | $0.00 | 31,423 |
| 2022-02-21 | Option exercise (derivative) | 5,241 | $0.00 | 0 |
| 2022-02-21 | Option exercise (derivative) | 23,192 | $0.00 | 0 |
| 2022-02-21 | Tax withholding | 2,328 | $0.00 | 24,651 |
| 2022-02-21 | Option exercise | 23,192 | $0.00 | 31,207 |
| 2022-02-21 | Tax withholding | 9,469 | $0.00 | 21,738 |
| 2022-02-21 | Option exercise | 5,241 | $0.00 | 26,979 |
| 2021-10-29 | Open-market sale | 6,000 | $104.15 | 7,906 |
| 2021-07-30 | Open-market sale | 6,000 | $118.54 | 13,906 |
| 2021-07-23 | Open-market sale | 3,000 | $120.00 | 19,906 |
| 2021-04-30 | Open-market sale | 9,000 | $108.72 | 22,786 |
| 2021-04-30 | Open-market sale | 346 | $108.72 | 16,123 |
| 2021-03-09 | Open-market sale | 10,000 | $98.53 | 31,786 |
| 2021-03-03 | Option exercise (derivative) | 4,134 | $0.00 | 8,271 |
| 2021-03-03 | Option exercise | 2,298 | $0.00 | 41,786 |
| 2021-03-01 | Grant / award (derivative) | 9,589 | $0.00 | 9,589 |
| 2021-03-01 | Grant / award (derivative) | 9,589 | $0.00 | 9,589 |
| 2021-03-01 | Option exercise (derivative) | 5,064 | $0.00 | 5,065 |
| 2021-03-01 | Grant / award (derivative) | 4,794 | $0.00 | 4,794 |
| 2021-03-01 | Option exercise | 2,505 | $0.00 | 39,488 |
| 2021-02-18 | Option exercise (derivative) | 26,117 | $0.00 | 0 |
| 2021-02-18 | Option exercise | 14,954 | $0.00 | 36,983 |
| 2021-02-18 | Grant / award | 3,062 | $0.00 | 12,855 |
| 2021-02-18 | Option exercise | 9,174 | $0.00 | 22,029 |
| 2021-02-08 | Option exercise (derivative) | 5,761 | $0.00 | 0 |
| 2021-02-08 | Option exercise | 4,032 | $0.00 | 9,793 |
| 2021-02-08 | Option exercise (derivative) | 5,761 | $0.00 | 0 |
| 2021-02-08 | Option exercise | 5,761 | $0.00 | 22,915 |
| 2021-02-08 | Tax withholding | 1,729 | $117.28 | 21,186 |
| 2020-10-30 | Open-market sale | 6,089 | $95.23 | 17,154 |
| 2020-07-31 | Open-market sale | 5,000 | $111.17 | 18,243 |
| 2020-07-31 | Open-market sale | 5,000 | $111.17 | 16,469 |
| 2020-05-01 | Open-market sale | 7,100 | $96.31 | 23,100 |
| 2020-03-03 | Option exercise (derivative) | 24,705 | $0.00 | 0 |
| 2020-03-03 | Option exercise | 2,190 | $0.00 | 30,200 |
| 2020-03-03 | Option exercise | 13,686 | $0.00 | 28,010 |
| 2020-03-03 | Grant / award (derivative) | 12,405 | $0.00 | 12,405 |
| 2020-03-03 | Grant / award (derivative) | 6,202 | $0.00 | 6,202 |
| 2020-03-01 | Option exercise (derivative) | 5,063 | $0.00 | 10,129 |
| 2020-03-01 | Option exercise | 2,815 | $0.00 | 14,324 |
| 2020-02-18 | Open-market sale | 8,389 | $99.29 | 11,509 |
| 2020-02-09 | Option exercise (derivative) | 5,639 | $0.00 | 0 |
| 2020-02-09 | Option exercise | 3,830 | $0.00 | 19,898 |
| 2020-02-08 | Option exercise (derivative) | 5,761 | $0.00 | 5,761 |
| 2020-02-08 | Option exercise | 4,029 | $0.00 | 16,068 |
| 2019-10-31 | Open-market sale | 9,000 | $86.87 | 11,874 |
| 2019-08-01 | Open-market sale | 5,000 | $88.12 | 21,290 |
| 2019-05-02 | Open-market sale | 5,000 | $80.95 | 26,109 |
| 2019-03-01 | Grant / award (derivative) | 7,596 | $0.00 | 7,596 |
| 2019-03-01 | Grant / award (derivative) | 15,192 | $0.00 | 15,192 |
| 2019-02-21 | Option exercise (derivative) | 23,376 | $0.00 | 0 |
| 2019-02-21 | Option exercise | 12,997 | $0.00 | 31,109 |
| 2019-02-19 | Open-market sale | 10,000 | $69.73 | 18,112 |
| 2019-02-11 | Option exercise (derivative) | 6,241 | $0.00 | 0 |
| 2019-02-11 | Option exercise | 4,001 | $0.00 | 28,112 |
| 2019-02-09 | Option exercise (derivative) | 5,638 | $0.00 | 5,639 |
| 2019-02-09 | Option exercise | 3,980 | $0.00 | 24,111 |
| 2019-02-08 | Option exercise (derivative) | 5,760 | $0.00 | 11,522 |
| 2019-02-08 | Option exercise | 4,015 | $0.00 | 20,131 |
| 2018-10-31 | Open-market sale | 4,000 | $73.34 | 15,951 |
| 2018-08-02 | Open-market sale | 4,000 | $71.20 | 19,951 |
| 2018-05-02 | Open-market sale | 4,000 | $70.78 | 23,727 |
| 2018-04-02 | Open-market sale | 8,379 | $70.81 | 27,727 |
| 2018-02-23 | Option exercise (derivative) | 4,867 | $0.00 | 0 |
| 2018-02-23 | Option exercise | 2,776 | $0.00 | 34,144 |
| 2018-02-12 | Option exercise (derivative) | 3,354 | $0.00 | 0 |
| 2018-02-12 | Option exercise | 44 | $0.00 | 31,368 |
| 2018-02-11 | Option exercise (derivative) | 6,241 | $0.00 | 6,241 |
| 2018-02-11 | Option exercise | 4,403 | $0.00 | 31,324 |
| 2018-02-09 | Grant / award (derivative) | 5,637 | $0.00 | 11,277 |
| 2018-02-09 | Option exercise | 3,932 | $0.00 | 26,921 |
| 2018-02-08 | Grant / award (derivative) | 17,282 | $0.00 | 17,282 |
| 2018-02-08 | Grant / award (derivative) | 8,641 | $0.00 | 8,641 |
| 2017-10-30 | Open-market sale | 4,000 | $53.11 | 22,364 |
| 2017-05-08 | Open-market sale | 4,000 | $52.09 | 26,177 |
| 2017-03-03 | Option exercise (derivative) | 7,643 | $0.00 | 0 |
| 2017-03-03 | Option exercise | 4,046 | $0.00 | 30,177 |
| 2017-02-23 | Option exercise (derivative) | 4,866 | $0.00 | 4,867 |
| 2017-02-23 | Option exercise | 2,976 | $0.00 | 26,131 |
| 2017-02-17 | Open-market sale | 5,973 | $63.83 | 23,155 |
| 2017-02-12 | Option exercise (derivative) | 3,353 | $0.00 | 3,354 |
| 2017-02-12 | Option exercise | 2,264 | $0.00 | 29,128 |
| 2017-02-11 | Option exercise (derivative) | 6,240 | $0.00 | 12,482 |
| 2017-02-11 | Option exercise | 4,215 | $0.00 | 26,864 |
| 2017-02-09 | Grant / award (derivative) | 16,914 | $0.00 | 16,914 |
| 2017-02-09 | Grant / award (derivative) | 33,828 | $0.00 | 33,828 |
| 2017-02-07 | Option exercise (derivative) | 3,061 | $0.00 | 0 |
| 2017-02-07 | Option exercise | 2,005 | $0.00 | 22,649 |
| 2016-11-01 | Open-market sale | 2,000 | $69.39 | 20,415 |
| 2016-08-01 | Open-market sale | 2,000 | $50.56 | 22,415 |
| 2016-05-02 | Open-market sale | 2,000 | $50.75 | 24,199 |
| 2016-03-03 | Option exercise (derivative) | 7,642 | $0.00 | 7,643 |
| 2016-03-03 | Option exercise | 4,046 | $0.00 | 29,393 |
| 2016-02-17 | Option exercise (derivative) | 14,704 | $0.00 | 0 |
| 2016-02-17 | Option exercise | 14,704 | $35.42 | 40,051 |
| 2016-02-17 | Open-market sale | 14,704 | $53.36 | 25,347 |
| 2016-02-12 | Option exercise (derivative) | 3,353 | $0.00 | 6,707 |
| 2016-02-11 | Grant / award (derivative) | 37,444 | $0.00 | 37,444 |
| 2016-02-11 | Grant / award (derivative) | 18,722 | $0.00 | 28,782 |
| 2016-02-11 | Grant / award (derivative) | 18,722 | $0.00 | 56,166 |
| 2016-02-11 | Option exercise | 2,264 | $0.00 | 25,347 |
| 2016-02-11 | Option exercise | 3,353 | $0.00 | 23,083 |
| 2016-02-08 | Option exercise (derivative) | 2,824 | $0.00 | 0 |
| 2016-02-08 | Option exercise (derivative) | 3,060 | $0.00 | 3,061 |
| 2016-02-08 | Option exercise | 1,911 | $0.00 | 12,043 |
| 2016-02-08 | Option exercise | 1,995 | $0.00 | 14,038 |
| 2016-02-08 | Option exercise | 5,692 | $0.00 | 19,730 |
| 2015-03-03 | Option exercise (derivative) | 13,404 | $38.43 | 0 |
| 2015-03-03 | Option exercise | 13,404 | $38.43 | 53,421 |
| 2015-03-03 | Open-market sale | 27,715 | $69.86 | 25,706 |
| 2015-03-03 | Open-market sale | 15,767 | $70.01 | 9,939 |
| 2015-03-03 | Option exercise | 14,311 | $41.43 | 40,017 |
| 2015-02-12 | Grant / award (derivative) | 10,060 | $0.00 | 10,060 |
| 2015-02-12 | Grant / award (derivative) | 30,180 | $0.00 | 30,180 |
| 2015-02-09 | Option exercise (derivative) | 3,059 | $0.00 | 6,121 |
| 2015-02-09 | Option exercise (derivative) | 2,823 | $0.00 | 2,824 |
| 2015-02-09 | Option exercise (derivative) | 8,427 | $0.00 | 8,427 |
| 2015-02-09 | Option exercise | 1,904 | $0.00 | 18,689 |
| 2015-02-09 | Option exercise | 2,063 | $0.00 | 20,752 |
| 2015-02-09 | Option exercise | 4,724 | $0.00 | 25,476 |
| 2015-01-20 | Option exercise (derivative) | 4,818 | $0.00 | 0 |
| 2015-01-20 | Option exercise | 2,689 | $0.00 | 16,785 |
| 2015-01-20 | Option exercise | 3,249 | $0.00 | 14,096 |
| 2014-05-14 | Option exercise (derivative) | 5,814 | $25.32 | 0 |
| 2014-05-14 | Open-market sale | 14,614 | $54.65 | 10,568 |
| 2014-05-14 | Option exercise | 5,814 | $25.32 | 25,182 |
| 2014-02-07 | Option exercise (derivative) | 4,901 | $0.00 | 9,803 |
| 2014-02-07 | Grant / award (derivative) | 27,542 | $0.00 | 27,542 |
| 2014-02-07 | Grant / award (derivative) | 9,180 | $0.00 | 9,180 |
| 2014-02-07 | Option exercise | 1,902 | $35.42 | 19,368 |
| 2014-01-21 | Option exercise (derivative) | 4,817 | $0.00 | 4,818 |
| 2014-01-21 | Grant / award (derivative) | 1,554 | $0.00 | 0 |
| 2014-01-21 | Grant / award (derivative) | 4,079 | $0.00 | 4,079 |
| 2014-01-21 | Option exercise | 1,047 | $0.00 | 17,737 |
| 2014-01-21 | Option exercise | 2,749 | $0.00 | 16,690 |
| 2014-01-21 | Option exercise | 3,165 | $0.00 | 13,941 |
| 2013-12-05 | Open-market sale | 14,200 | $45.16 | 10,505 |
| 2013-10-28 | Option exercise (derivative) | 26,511 | $0.00 | 0 |
| 2013-10-28 | Option exercise | 15,725 | $0.00 | 24,434 |
| 2013-05-15 | — | — | — | 8,368 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.