Robert Blumofe
CIK 1576905 · View on SEC EDGAR ↗
Insider
First SEC filing: May 23, 2013 · Latest: May 23, 2013
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net:
$-826,487
+ 78 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
78 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 18, 2026 | AKAM | S 10b5-1 | 243 | $129.41 | $31,447 | 31,006 Direct | -0.78% | Disposed | -13.5% (price as of 2026-08-19) |
| Nov. 14, 2025 | AKAM | S 10b5-1 | 3,000 | $87.68 | $263,040 | 21,410 Direct | -12.29% | Disposed | 27.6% (price as of 2026-08-19) |
| Nov. 7, 2025 | AKAM | S 10b5-1 | 3,500 | $86.00 | $301,000 | 24,410 Direct | -12.54% | Disposed | 30.1% (price as of 2026-08-19) |
| Aug. 22, 2025 | AKAM | S 10b5-1 | 3,000 | $77.00 | $231,000 | 27,910 Direct | -9.71% | Disposed | 45.3% (price as of 2026-08-19) |
| June 12, 2025 | AKAM | S 10b5-1 | 3,254 | $77.97 | $253,714 | 30,910 Direct | -9.52% | Disposed | 43.5% (price as of 2026-08-19) |
| Nov. 15, 2024 | AKAM | S 10b5-1 | 2,500 | $88.61 | $221,525 | 19,510 Direct | -11.36% | Disposed | 26.3% (price as of 2026-08-19) |
| Aug. 16, 2024 | AKAM | S 10b5-1 | 2,500 | $100.69 | $251,725 | 22,010 Direct | -10.20% | Disposed | 11.1% (price as of 2026-08-19) |
| June 14, 2024 | AKAM | S | 219 | $88.34 | $19,346 | 24,510 Direct | -0.89% | Disposed | 26.6% (price as of 2026-08-19) |
| June 14, 2024 | AKAM | S | 3,000 | $88.34 | $265,020 | 24,729 Direct | -10.82% | Disposed | 26.6% (price as of 2026-08-19) |
| March 4, 2024 | AKAM | S | 6,000 | $110.60 | $663,600 | 23,566 Direct | -20.29% | Disposed | 1.2% (price as of 2026-08-19) |
| Nov. 17, 2023 | AKAM | S 10b5-1 | 2,000 | $111.47 | $222,940 | 15,609 Direct | -11.36% | Disposed | 0.4% (price as of 2026-08-19) |
| Aug. 18, 2023 | AKAM | S 10b5-1 | 2,000 | $99.53 | $199,060 | 17,609 Direct | -10.20% | Disposed | 12.4% (price as of 2026-08-19) |
| Aug. 9, 2023 | AKAM | S 10b5-1 | 3,000 | $101.08 | $303,240 | 19,609 Direct | -13.27% | Disposed | 10.7% (price as of 2026-08-19) |
| June 15, 2023 | AKAM | S 10b5-1 | 7,238 | $91.18 | $659,961 | 22,609 Direct | -24.25% | Disposed | 22.7% (price as of 2026-08-19) |
| March 15, 2023 | AKAM | S | 4,000 | $72.08 | $288,320 | 29,716 Direct | -11.86% | Disposed | 55.2% (price as of 2026-08-19) |
| Nov. 11, 2022 | AKAM | S 10b5-1 | 5,000 | $92.92 | $464,600 | 9,835 Direct | -33.70% | Disposed | 20.4% (price as of 2026-08-19) |
| Aug. 12, 2022 | AKAM | S 10b5-1 | 5,000 | $94.25 | $471,250 | 14,835 Direct | -25.21% | Disposed | 18.7% (price as of 2026-08-19) |
| May 13, 2022 | AKAM | S 10b5-1 | 5,000 | $97.68 | $488,400 | 19,725 Direct | -20.22% | Disposed | 14.5% (price as of 2026-08-19) |
| April 8, 2022 | AKAM | S 10b5-1 | 3,308 | $119.19 | $394,281 | 24,725 Direct | -11.80% | Disposed | -6.1% (price as of 2026-08-19) |
| March 8, 2022 | AKAM | S | 8,000 | $109.15 | $873,200 | 28,033 Direct | -22.20% | Disposed | 2.5% (price as of 2026-08-19) |
| April 30, 2021 | AKAM | S 10b5-1 | 346 | $108.72 | $37,617 | 16,123 Direct | -2.10% | Disposed | 2.9% (price as of 2026-08-19) |
| July 31, 2020 | AKAM | S 10b5-1 | 5,000 | $111.17 | $555,850 | 16,469 Direct | -23.29% | Disposed | 0.6% (price as of 2026-08-19) |
Showing latest 100 of 243 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 7, 2025 | AKAM | Restricted Stock Units | Common Stock (2,738) | — | — | 2,738 | Disposed |
| March 6, 2025 | AKAM | Restricted Stock Units [F2] | Common Stock (5,115) | $0.00 | March 7, 2026 | 5,115 | Disposed |
| March 4, 2025 | AKAM | Restricted Stock Units [F6] | Common Stock (3,495) | $0.00 | March 5, 2027 | 3,495 | Disposed |
| March 3, 2025 | AKAM | Restricted Stock Units [F6] | Common Stock (15,882) | $0.00 | March 4, 2028 | 15,882 | Acquired |
| March 3, 2025 | AKAM | TSR Restricted Stock Units [F4] | Common Stock (9,529) | $0.00 | March 4, 2028 | 9,529 | Acquired |
| March 3, 2025 | AKAM | Performance Restricted Stock Units [F2] | Common Stock (6,353) | $0.00 | March 4, 2028 | 6,353 | Acquired |
| Feb. 19, 2025 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (7,910) | $0.00 | March 8, 2025 | 7,910 | Disposed |
| Feb. 19, 2025 | AKAM | TSR Restricted Stock Units [F1] | Common Stock (1,149) | $0.00 | March 8, 2025 | 1,149 | Disposed |
| March 7, 2024 | AKAM | Restricted Stock Units [F1] | Common Stock (2,738) | $0.00 | March 8, 2025 | 2,738 | Disposed |
| March 6, 2024 | AKAM | Restricted Stock Units [F7] | Common Stock (5,114) | $0.00 | March 7, 2026 | 5,114 | Disposed |
| March 4, 2024 | AKAM | Restricted Stock Units [F5] | Common Stock (10,486) | $0.00 | March 5, 2027 | 10,486 | Acquired |
| March 4, 2024 | AKAM | TSR Restricted Stock Units [F3] | Common Stock (6,291) | $0.00 | March 5, 2027 | 6,291 | Acquired |
| March 4, 2024 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (4,194) | $0.00 | March 5, 2027 | 4,194 | Acquired |
| March 1, 2024 | AKAM | Restricted Stock Units [F2] | Common Stock (3,197) | $0.00 | March 2, 2024 | 3,197 | Disposed |
| Feb. 21, 2024 | AKAM | TSR Restricted Stock Units [F2] | Common Stock (2,468) | $0.00 | March 2, 2024 | 2,468 | Disposed |
| Feb. 21, 2024 | AKAM | Performance Restricted Stock Units [F2] | Common Stock (11,847) | $0.00 | March 2, 2024 | 11,847 | Disposed |
| March 7, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (2,737) | $0.00 | March 8, 2025 | 2,737 | Disposed |
| March 7, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (2,737) | $0.00 | March 8, 2025 | 2,737 | Disposed |
| March 6, 2023 | AKAM | TSR Restricted Stock Units [F1] | Common Stock | $0.00 | March 7, 2026 | 9,207 | Acquired |
| March 6, 2023 | AKAM | Performance Restricted Stock Units [F1] | Common Stock | $0.00 | March 7, 2026 | 6,138 | Acquired |
| March 6, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (15,345) | $0.00 | March 7, 2026 | 15,345 | Acquired |
| March 6, 2023 | AKAM | TSR Restricted Stock Units [F1] | Common Stock (6,138) | $0.00 | March 7, 2026 | 6,138 | Acquired |
| March 6, 2023 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (9,207) | $0.00 | March 7, 2026 | 9,207 | Acquired |
| March 6, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (15,345) | $0.00 | March 7, 2026 | 15,345 | Acquired |
| March 3, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (4,136) | $0.00 | March 4, 2023 | 4,136 | Disposed |
| March 1, 2023 | AKAM | Restricted Stock Units [F1] | Common Stock (3,196) | $0.00 | March 2, 2024 | 3,196 | Disposed |
| Feb. 21, 2023 | AKAM | Performance Restricted Stock Units [F2] | Common Stock (14,545) | $0.00 | March 4, 2023 | 14,545 | Disposed |
| March 7, 2022 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (8,213) | $0.00 | March 8, 2025 | 8,213 | Acquired |
| March 7, 2022 | AKAM | TSR Restricted Stock Units [F1] | Common Stock (4,106) | $0.00 | March 8, 2025 | 4,106 | Acquired |
| March 7, 2022 | AKAM | Restricted Stock Units [F1] | Common Stock (8,213) | $0.00 | March 8, 2025 | 8,213 | Acquired |
| March 3, 2022 | AKAM | Restricted Stock Units [F1] | Common Stock (4,135) | $0.00 | March 4, 2023 | 4,135 | Disposed |
| March 1, 2022 | AKAM | Restricted Stock Units [F1] | Common Stock (3,196) | $0.00 | March 2, 2024 | 3,196 | Disposed |
| March 1, 2022 | AKAM | Restricted Stock Units [F1] | Common Stock (5,065) | $0.00 | March 1, 2022 | 5,065 | Disposed |
| Feb. 21, 2022 | AKAM | TSR Restricted Stock Units [F1] | Common Stock (5,241) | $0.00 | March 3, 2022 | 5,241 | Disposed |
| Feb. 21, 2022 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (23,192) | $0.00 | March 2, 2022 | 23,192 | Disposed |
| March 3, 2021 | AKAM | Restricted Stock Units [F1] | Common Stock (4,134) | $0.00 | March 4, 2023 | 4,134 | Disposed |
| March 1, 2021 | AKAM | Restricted Stock Units [F1] | Common Stock (5,064) | $0.00 | March 1, 2022 | 5,064 | Disposed |
| March 1, 2021 | AKAM | TSR Restricted Stock Units [F1] | Common Stock (4,794) | $0.00 | March 2, 2024 | 4,794 | Acquired |
| March 1, 2021 | AKAM | Performance Restricted Stock Units [F1] | Common Stock (9,589) | $0.00 | March 2, 2024 | 9,589 | Acquired |
| March 1, 2021 | AKAM | Restricted Stock Units [F1] | Common Stock (9,589) | $0.00 | March 2, 2024 | 9,589 | Acquired |
| Feb. 18, 2021 | AKAM | Restricted Stock Units [F2] | Common Stock (26,117) | $0.00 | Feb. 19, 2021 | 26,117 | Disposed |
| Feb. 18, 2021 | AKAM | Restricted Stock Units [F2] | Common Stock (15,605) | $0.00 | Feb. 19, 2021 | 15,605 | Disposed |
| Feb. 8, 2021 | AKAM | Restricted Stock Units [F2] | Common Stock (5,761) | $0.00 | Feb. 19, 2021 | 5,761 | Disposed |
| Feb. 8, 2021 | AKAM | Restricted Stock Units [F1] | Common Stock (5,761) | $0.00 | Feb. 9, 2021 | 5,761 | Disposed |
| March 3, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (6,202) | $0.00 | March 6, 2023 | 6,202 | Acquired |
| March 3, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (12,405) | $0.00 | March 6, 2023 | 12,405 | Acquired |
| March 3, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (12,405) | $0.00 | March 6, 2023 | 12,405 | Acquired |
| March 3, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (3,940) | $0.00 | Feb. 14, 2020 | 3,940 | Disposed |
| March 3, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (24,705) | $0.00 | Feb. 12, 2020 | 24,705 | Disposed |
| March 1, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (5,063) | $0.00 | March 1, 2022 | 5,063 | Disposed |
| Feb. 9, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (5,639) | $0.00 | Feb. 11, 2020 | 5,639 | Disposed |
| Feb. 8, 2020 | AKAM | Restricted Stock Units [F1] | Common Stock (5,761) | $0.00 | Feb. 9, 2021 | 5,761 | Disposed |
| March 1, 2019 | AKAM | Restricted Stock Units [F1] | Common Stock (7,596) | $0.00 | March 3, 2022 | 7,596 | Acquired |
| March 1, 2019 | AKAM | Restricted Stock Units [F1] | Common Stock (15,192) | $0.00 | March 2, 2022 | 15,192 | Acquired |
| March 1, 2019 | AKAM | Restricted Stock Units [F1] | Common Stock (15,192) | $0.00 | March 1, 2022 | 15,192 | Acquired |
| Feb. 21, 2019 | AKAM | Restricted Stock Units | Common Stock (23,376) | $0.00 | Feb. 21, 2019 | 23,376 | Disposed |
| Feb. 11, 2019 | AKAM | Restricted Stock Units [F2] | Common Stock (6,241) | $0.00 | — | 6,241 | Disposed |
| Feb. 9, 2019 | AKAM | Restricted Stock Units [F2] | Common Stock (5,638) | $0.00 | Feb. 11, 2020 | 5,638 | Disposed |
| Feb. 8, 2019 | AKAM | Restricted Stock Units | Common Stock (5,760) | $0.00 | Feb. 9, 2021 | 5,760 | Disposed |
| Feb. 23, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (4,867) | $0.00 | — | 4,867 | Disposed |
| Feb. 12, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (3,354) | $0.00 | — | 3,354 | Disposed |
| Feb. 11, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (6,241) | $0.00 | — | 6,241 | Disposed |
| Feb. 9, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (5,637) | $0.00 | Feb. 11, 2020 | 5,637 | Disposed |
| Feb. 8, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (8,641) | $0.00 | Feb. 22, 2018 | 8,641 | Acquired |
| Feb. 8, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (17,282) | $0.00 | Feb. 10, 2020 | 17,282 | Acquired |
| Feb. 8, 2018 | AKAM | Restricted Stock Units [F1] | Common Stock (17,282) | $0.00 | Feb. 9, 2021 | 17,282 | Acquired |
| March 3, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (7,643) | $0.00 | — | 7,643 | Disposed |
| Feb. 23, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (4,866) | $0.00 | — | 4,866 | Disposed |
| Feb. 12, 2017 | AKAM | Restricted Stock Units | Common Stock (3,353) | $0.00 | — | 3,353 | Disposed |
| Feb. 11, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (6,240) | $0.00 | — | 6,240 | Disposed |
| Feb. 9, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (16,914) | $0.00 | Feb. 14, 2020 | 16,914 | Acquired |
| Feb. 9, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (33,828) | $0.00 | Feb. 12, 2020 | 33,828 | Acquired |
| Feb. 9, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (16,914) | $0.00 | Feb. 11, 2020 | 16,914 | Acquired |
| Feb. 7, 2017 | AKAM | Restricted Stock Units [F1] | Common Stock (3,061) | $0.00 | — | 3,061 | Disposed |
| March 3, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (7,642) | $0.00 | — | 7,642 | Disposed |
| Feb. 17, 2016 | AKAM | Stock option (right to buy) | Common Stock (14,704) | $35.42 | Feb. 8, 2020 | 14,704 | Disposed |
| Feb. 12, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (3,353) | $0.00 | — | 3,353 | Disposed |
| Feb. 11, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (18,722) | $0.00 | — | 18,722 | Acquired |
| Feb. 11, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (18,722) | $0.00 | Feb. 12, 2019 | 18,722 | Acquired |
| Feb. 11, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (37,444) | $0.00 | Feb. 12, 2019 | 37,444 | Acquired |
| Feb. 8, 2016 | AKAM | Restricted Stock Units [F5] | Common Stock (8,427) | $0.00 | — | 8,427 | Disposed |
| Feb. 8, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (3,060) | $0.00 | — | 3,060 | Disposed |
| Feb. 8, 2016 | AKAM | Restricted Stock Units [F1] | Common Stock (2,824) | $0.00 | — | 2,824 | Disposed |
| March 3, 2015 | AKAM | Stock option (right to buy) | Common Stock (13,404) | $38.43 | Feb. 10, 2019 | 13,404 | Disposed |
| March 3, 2015 | AKAM | Stock option (right to buy) | Common Stock (14,311) | $41.43 | Feb. 11, 2018 | 14,311 | Disposed |
| Feb. 12, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (30,180) | $0.00 | — | 30,180 | Acquired |
| Feb. 12, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (10,060) | $0.00 | — | 10,060 | Acquired |
| Feb. 9, 2015 | AKAM | Restricted Stock Units [F5] | Common Stock (8,427) | $0.00 | — | 8,427 | Disposed |
| Feb. 9, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (3,059) | $0.00 | — | 3,059 | Disposed |
| Feb. 9, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (2,823) | $0.00 | — | 2,823 | Disposed |
| Jan. 20, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (4,818) | $0.00 | — | 4,818 | Disposed |
| Jan. 20, 2015 | AKAM | Restricted Stock Units [F1] | Common Stock (4,079) | $0.00 | — | 4,079 | Disposed |
| May 14, 2014 | AKAM | Stock option (right to buy) | Common Stock (5,814) | $25.32 | Feb. 5, 2017 | 5,814 | Disposed |
| Feb. 7, 2014 | AKAM | Restricted Stock Units [F1] | Common Stock (9,180) | $0.00 | — | 9,180 | Acquired |
| Feb. 7, 2014 | AKAM | Restricted Stock Units [F1] | Common Stock (27,542) | $0.00 | — | 27,542 | Acquired |
| Feb. 7, 2014 | AKAM | Stock option (right to buy) | Common Stock (4,901) | $35.42 | Feb. 8, 2020 | 4,901 | Disposed |
| Jan. 21, 2014 | AKAM | Restricted Stock Units [F1] | Common Stock (4,817) | $0.00 | — | 4,817 | Disposed |
| Jan. 21, 2014 | AKAM | Restricted Stock Units [F1] | Common Stock (4,079) | $0.00 | — | 4,079 | Disposed |
| Jan. 21, 2014 | AKAM | Restricted Stock Units [F1] | Common Stock (1,554) | $0.00 | — | 1,554 | Disposed |
| Oct. 28, 2013 | AKAM | Restricted Stock Units | Common Stock (26,511) | $0.00 | — | 26,511 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 23, 2013 | AKAM | Common Stock | 8,368 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units [F1]→ Common Stock (12,424) | 12,424 | Direct |
| May 23, 2013 | AKAM | Stock option (right to buy)→ Common Stock (14,704) | 14,704 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units [F1]→ Common Stock (12,236) | 12,236 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units [F1]→ Common Stock (28,232) | 28,232 | Direct |
| May 23, 2013 | AKAM | Stock option (right to buy)→ Common Stock (13,404) | 13,404 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units→ Common Stock (8,469) | 8,469 | Direct |
| May 23, 2013 | AKAM | Stock option (right to buy) [F1]→ Common Stock (5,814) | 5,814 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units [F1]→ Common Stock (1,554) | 1,554 | Direct |
| May 23, 2013 | AKAM | Stock option (right to buy)→ Common Stock (14,311) | 14,311 | Direct |
| May 23, 2013 | AKAM | Restricted Stock Units [F1]→ Common Stock (26,511) | 26,511 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $497,500 | — | $3,053,222 | — | $598,761 | — | — | $4,149,483 |
| 2018 | $482,500 | — | $3,038,659 | — | $599,143 | — | — | $4,120,302 |
| 2017 | $463,750 | — | $2,528,362 | — | $374,629 | — | — | $3,366,741 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.