F. Thomson Leighton

CIK: 0001106232

Transaction Breakdown

Open Market Buys (P)4 (11.8%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)9 (26.5%)

Derivative conversions

Awards (A)9 (26.5%)

Compensation grants

Other (G, F, J, C, D, …)12 (35.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AKAM

AKAMAI TECHNOLOGIES INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (34 total)

AKAM
AKAMAI TECHNOLOGIES INC
Mar 6, 2026
Tax Payment(F)
Direct
11.3K shares at avg. $101.00$1.1M
AKAM
AKAMAI TECHNOLOGIES INC
Mar 6, 2026
Exercise(M)
Direct
23.4K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 4, 2026
Tax Payment(F)
Direct
9.8K shares at avg. $102.08$1.0M
AKAM
AKAMAI TECHNOLOGIES INC
Mar 4, 2026
Exercise(M)
Direct
20.3K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 3, 2026
Tax Payment(F)
Direct
14.5K shares at avg. $97.64$1.4M
AKAM
AKAMAI TECHNOLOGIES INC
Mar 3, 2026
Exercise(M)
Direct
28.3K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 2, 2026
Award(A)
Restricted Stock Units
Direct
74.3K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Feb 20, 2026
Award(A)
Direct
24.1K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Feb 20, 2026
Tax Payment(F)
Direct
11.7K shares at avg. $94.17$1.1M
AKAM
AKAMAI TECHNOLOGIES INC
Feb 19, 2026
Award(A)
Performance Restricted Stock Units
Direct
12.5K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Feb 19, 2026
Award(A)
Performance Restricted Stock Units
Direct
14.4K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Feb 19, 2026
Exercise(M)
Direct
36.1K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Feb 19, 2026
Tax Payment(F)
Direct
15.3K shares at avg. $109.31$1.7M
AKAM
AKAMAI TECHNOLOGIES INC
Feb 19, 2026
Award(A)
Performance Restricted Stock Units
Direct
17.5K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Aug 11, 2025
Purchase(P)
Indirect
2.1K shares at avg. $71.33$148K
AKAM
AKAMAI TECHNOLOGIES INC
Aug 11, 2025
Purchase(P)
Indirect
47.9K shares at avg. $72.30$3.5M
AKAM
AKAMAI TECHNOLOGIES INC
Mar 7, 2025
Exercise(M)
Direct
11.9K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 7, 2025
Tax Payment(F)
Direct
5.8K shares at avg. $82.81$477K
AKAM
AKAMAI TECHNOLOGIES INC
Mar 6, 2025
Exercise(M)
Direct
23.4K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 6, 2025
Tax Payment(F)
Direct
11.3K shares at avg. $82.82$935K
AKAM
AKAMAI TECHNOLOGIES INC
Mar 4, 2025
Exercise(M)
Direct
20.3K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 4, 2025
Tax Payment(F)
Direct
10.2K shares at avg. $81.00$828K
AKAM
AKAMAI TECHNOLOGIES INC
Mar 3, 2025
Gift(G)
Direct
37.7K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 3, 2025
Award(A)
Restricted Stock Units
Direct
85K shares-
AKAM
AKAMAI TECHNOLOGIES INC
Mar 3, 2025
Award(A)
TSR Restricted Stock Units
Direct
51K shares-

		Type	Shares	Price		Ownership
Mar 6, 2026	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	11,292	$101.00	$1,140,492	Direct
Mar 6, 2026	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	23,353	-	$0	Direct
Mar 4, 2026	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	9,822	$102.08	$1,002,630	Direct
Mar 4, 2026	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	20,314	-	$0	Direct
Mar 3, 2026	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	14,490	$97.64	$1,414,804	Direct
Mar 3, 2026	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	28,333	-	$0	Direct
Mar 2, 2026	AKAM AKAMAI TECHNOLOGIES INC	Award(A) Restricted Stock Units	74,252	-	-	Direct
Feb 20, 2026	AKAM AKAMAI TECHNOLOGIES INC	Award(A)	24,094	-	$0	Direct
Feb 20, 2026	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	11,650	$94.17	$1,097,081	Direct
Feb 19, 2026	AKAM AKAMAI TECHNOLOGIES INC	Award(A) Performance Restricted Stock Units	12,520	-	-	Direct
Feb 19, 2026	AKAM AKAMAI TECHNOLOGIES INC	Award(A) Performance Restricted Stock Units	14,396	-	-	Direct
Feb 19, 2026	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	36,101	-	$0	Direct
Feb 19, 2026	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	15,261	$109.31	$1,668,180	Direct
Feb 19, 2026	AKAM AKAMAI TECHNOLOGIES INC	Award(A) Performance Restricted Stock Units	17,464	-	-	Direct
Aug 11, 2025	AKAM AKAMAI TECHNOLOGIES INC	Purchase(P)	2,076	$71.33	$148,084	Indirect
Aug 11, 2025	AKAM AKAMAI TECHNOLOGIES INC	Purchase(P)	47,924	$72.30	$3,464,963	Indirect
Mar 7, 2025	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	11,904	-	-	Direct
Mar 7, 2025	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	5,756	$82.81	$476,654	Direct
Mar 6, 2025	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	23,352	-	-	Direct
Mar 6, 2025	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	11,291	$82.82	$935,121	Direct
Mar 4, 2025	AKAM AKAMAI TECHNOLOGIES INC	Exercise(M)	20,313	-	-	Direct
Mar 4, 2025	AKAM AKAMAI TECHNOLOGIES INC	Tax Payment(F)	10,227	$81.00	$828,387	Direct
Mar 3, 2025	AKAM AKAMAI TECHNOLOGIES INC	Gift(G)	37,670	-	-	Direct
Mar 3, 2025	AKAM AKAMAI TECHNOLOGIES INC	Award(A) Restricted Stock Units	85,000	-	-	Direct
Mar 3, 2025	AKAM AKAMAI TECHNOLOGIES INC	Award(A) TSR Restricted Stock Units	51,000	-	-	Direct

1-25 of 34 transactions

About LEIGHTON F THOMSON

LEIGHTON F THOMSON (SEC CIK 0001106232) files insider reports with the SEC as Chief Executive Officer of AKAMAI TECHNOLOGIES INC (AKAM).

Signal8 holds 12 ownership filings by LEIGHTON F THOMSON, all Form 4s, filed between Feb 21, 2025 and Mar 6, 2026. Those filings report 34 transactions, from Feb 19, 2025 to Mar 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on LEIGHTON F THOMSON's filings is in CAMBRIDGE, MA.

Recent filings by LEIGHTON F THOMSON

Mar 6, 2026: Tax withholding of AKAM shares (Form 4, code F).
Mar 6, 2026: Option exercise of AKAM shares (Form 4, code M).
Mar 4, 2026: Tax withholding of AKAM shares (Form 4, code F).
Mar 4, 2026: Option exercise of AKAM shares (Form 4, code M).
Mar 3, 2026: Tax withholding of AKAM shares (Form 4, code F).

Other insiders filing for AKAMAI TECHNOLOGIES INC (AKAM)

Sundaram Mani, EVP and GM Security
Salem-Jackson Kim, EVP, Chief Marketing Officer
Joseph Paul C, EVP - Global Sales
Howell Laura, SVP, Chief Accounting Officer
Blumofe Robert, Chief Technology Officer
HESSE DANIEL, Director

How to read Form 4 transaction codes