LEIGHTON F THOMSON 4

4 · AKAMAI TECHNOLOGIES INC · Filed Mar 4, 2026

Form 4

Period: 2026-03-02

DirectorChief Executive Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-03-03+28,333→ 89,912 total
Tax Payment
Common Stock
2026-03-03$97.64/sh−14,490$1,414,804→ 75,422 total
Award
Restricted Stock Units
[F1][F5]
2026-03-02+74,252→ 74,252 total
→ Common Stock (74,252 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F6]
2026-03-03−28,333→ 56,667 total
→ Common Stock (28,333 underlying)

Holdings

Footnotes (6)

[F1]Each restricted stock unit ("RSU") represents the right to receive one share of Akamai common stock upon vesting.
[F2]Held by the F. Thomson Leighton and Bonnie B. Leighton Revocable Trust dtd 11/3/99 of which Mr. Leighton serves as a trustee. Mr. Leighton disclaims beneficial ownership of shares held by such trust except to the extent of his pecuniary interest therein.
[F3]Includes 10,481 shares received pursuant to a distribution from the David T. Leighton trust, of which the Reporting Person served as trustee. Such distribution was made in accordance with the exemptions afforded under 16a-9 and 16a-13.
[F4]Held by the TBL Foundation of which Mr. Leighton serves as a trustee.
[F5]On March 2, 2026, the Reporting Person was granted 74,252 RSUs. Such RSUs vest over three years in equal installments on the first, second and third anniversaries of the grant date.
[F6]On March 3, 2025, the Reporting Person was granted 85,000 RSUs. Such RSUs vest over three years in equal installments on the first, second and third anniversaries of the grant date.

Signature

/s/ Thomas M. Lair, as power of attorney|2026-03-04

Documents

1 file