Blumofe Robert

Officer · AKAM

As of 2026-09-16, Blumofe Robert has 50 Form 4 transactions on record across 1 company — 27 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $3.2MIndirect: $0$3.2Mas of 2026-09-16
  • Direct $3.2M
  • Indirect $0
AKAMdirect31,006 sh$3.2M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

AKAM · 50 trades
2026-06-18: Sale, 243 sh ($31K)2026-03-06: Withheld for tax, 2,474 sh ($250K)2026-03-06: Option exercise, 5,116 sh ($0)2026-03-06: Option exercise, 5,116 sh2026-03-06: Option exercise, 5,116 sh2026-03-04: Withheld for tax, 1,690 sh ($173K)2026-03-04: Option exercise, 3,495 sh ($0)2026-03-04: Option exercise, 3,495 sh2026-03-04: Option exercise, 3,495 sh2026-03-03: Withheld for tax, 2,560 sh ($250K)2026-03-03: Option exercise, 5,293 sh ($0)2026-03-03: Option exercise, 5,293 sh2026-03-03: Option exercise, 5,293 sh2026-03-02: Award / grant, 14,456 sh ($0)2026-02-20: Withheld for tax, 2,905 sh ($274K)2026-02-20: Award / grant, 6,617 sh ($0)2026-02-19: Withheld for tax, 2,262 sh ($247K)2026-02-19: Option exercise, 7,906 sh ($0)2026-02-19: Award / grant, 3,262 sh ($0)2026-02-19: Award / grant, 2,154 sh ($0)2026-02-19: Award / grant, 3,152 sh ($0)2026-02-19: Option exercise, 7,906 sh2026-02-19: Option exercise, 7,906 sh2026-02-13: Sale, 3,500 sh ($378K)2026-01-22: Sale, 3,500 sh ($340K)2025-11-14: Sale, 3,000 sh ($263K)2025-11-07: Sale, 3,500 sh ($301K)2025-08-22: Sale, 3,000 sh ($231K)2025-06-12: Sale, 3,254 sh ($254K)2025-03-07: Withheld for tax, 1,324 sh ($110K)2025-03-07: Option exercise, 2,738 sh ($0)2025-03-07: Option exercise, 2,738 sh2025-03-07: Option exercise, 2,738 sh2025-03-06: Withheld for tax, 2,474 sh ($205K)2025-03-06: Option exercise, 5,115 sh ($0)2025-03-06: Option exercise, 5,115 sh ($0)2025-03-04: Withheld for tax, 1,770 sh ($143K)2025-03-04: Option exercise, 3,495 sh ($0)2025-03-04: Option exercise, 3,495 sh ($0)2025-03-03: Award / grant, 9,529 sh ($0)2025-03-03: Award / grant, 15,882 sh ($0)2025-03-03: Award / grant, 6,353 sh ($0)2025-02-21: Withheld for tax, 1,711 sh ($131K)2025-02-21: Award / grant, 3,837 sh ($0)2025-02-19: Withheld for tax, 2,240 sh ($222K)2025-02-19: Withheld for tax, 338 sh ($34K)2025-02-19: Option exercise, 1,149 sh ($0)2025-02-19: Option exercise, 7,910 sh ($0)2025-02-19: Option exercise, 1,149 sh ($0)2025-02-19: Option exercise, 7,910 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-18AKAMSale243 @ $129.41$31K−0.8% of holding31,006Form 4
2026-02-13AKAMSale3,500 @ $108.00$378K−19.4% of holding14,574Form 4
2026-01-22AKAMSale3,500 @ $97.00$340K−16.2% of holding18,074Form 4
2025-11-14AKAMSale3,000 @ $87.68$263K−12.3% of holding21,410Form 4
2025-11-07AKAMSale3,500 @ $86.00$301K−12.5% of holding24,410Form 4
2025-08-22AKAMSale3,000 @ $77.00$231K−9.7% of holding27,910Form 4
2025-06-12AKAMSale3,254 @ $77.97$254K−9.5% of holding30,910Form 4
43 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-06AKAMWithheld for tax2,47431,110Form 4
2026-03-06AKAMOption exercise5,1160Form 4
2026-03-06AKAMOption exercise5,11633,584Form 4
2026-03-06AKAMOption exercise5,11633,584Form 4
2026-03-04AKAMWithheld for tax1,69028,468Form 4
2026-03-04AKAMOption exercise3,4953,496Form 4
2026-03-04AKAMOption exercise3,49530,158Form 4
2026-03-04AKAMOption exercise3,49530,158Form 4
2026-03-03AKAMWithheld for tax2,56026,663Form 4
2026-03-03AKAMOption exercise5,29310,589Form 4
2026-03-03AKAMOption exercise5,29329,223Form 4
2026-03-03AKAMOption exercise5,29329,223Form 4
2026-03-02AKAMAward / grant14,45614,456Form 4
2026-02-20AKAMWithheld for tax2,90523,930Form 4
2026-02-20AKAMAward / grant6,61726,835Form 4
2026-02-19AKAMWithheld for tax2,26220,218Form 4
2026-02-19AKAMOption exercise7,9060Form 4
2026-02-19AKAMAward / grant3,2623,262Form 4
2026-02-19AKAMAward / grant2,1543,279Form 4
2026-02-19AKAMAward / grant3,1527,906Form 4
2026-02-19AKAMOption exercise7,90622,480Form 4
2026-02-19AKAMOption exercise7,90622,480Form 4
2025-03-07AKAMWithheld for tax1,32434,032Form 4
2025-03-07AKAMOption exercise2,7380Form 4
2025-03-07AKAMOption exercise2,73835,356Form 4
2025-03-07AKAMOption exercise2,73835,356Form 4
2025-03-06AKAMWithheld for tax2,47432,618Form 4
2025-03-06AKAMOption exercise5,1155,116Form 4
2025-03-06AKAMOption exercise5,11535,092Form 4
2025-03-04AKAMWithheld for tax1,77029,977Form 4
2025-03-04AKAMOption exercise3,4956,991Form 4
2025-03-04AKAMOption exercise3,49531,747Form 4
2025-03-03AKAMAward / grant9,5299,529Form 4
2025-03-03AKAMAward / grant15,88215,882Form 4
2025-03-03AKAMAward / grant6,3536,353Form 4
2025-02-21AKAMWithheld for tax1,71128,252Form 4
2025-02-21AKAMAward / grant3,83729,963Form 4
2025-02-19AKAMWithheld for tax2,24026,126Form 4
2025-02-19AKAMWithheld for tax33820,456Form 4
2025-02-19AKAMOption exercise1,14920,794Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.