John K. Allen

CIK: 0001397728

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (28.6%)

Compensation grants

Other (G, F, J, C, D, …)5 (71.4%)

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

Companies & Roles (1)

RMBS

RAMBUS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

RMBS
RAMBUS INC
Apr 3, 2026
Tax Payment(F)
Direct
1.1K shares at avg. $92.22$104K
RMBS
RAMBUS INC
Apr 1, 2026
Award(A)
Direct
2.8K shares-
RMBS
RAMBUS INC
Apr 1, 2026
Tax Payment(F)
Direct
495 shares at avg. $89.95$45K
RMBS
RAMBUS INC
Apr 1, 2026
Tax Payment(F)
Direct
658 shares at avg. $89.95$59K
RMBS
RAMBUS INC
Apr 3, 2025
Tax Payment(F)
Direct
1.1K shares at avg. $46.15$52K
RMBS
RAMBUS INC
Apr 1, 2025
Tax Payment(F)
Direct
490 shares at avg. $52.29$26K
RMBS
RAMBUS INC
Apr 1, 2025
Award(A)
Direct
5.2K shares-

		Type	Shares	Price		Ownership
Apr 3, 2026	RMBS RAMBUS INC	Tax Payment(F)	1,131	$92.22	$104,301	Direct
Apr 1, 2026	RMBS RAMBUS INC	Award(A)	2,779	-	$0	Direct
Apr 1, 2026	RMBS RAMBUS INC	Tax Payment(F)	495	$89.95	$44,525	Direct
Apr 1, 2026	RMBS RAMBUS INC	Tax Payment(F)	658	$89.95	$59,187	Direct
Apr 3, 2025	RMBS RAMBUS INC	Tax Payment(F)	1,129	$46.15	$52,103	Direct
Apr 1, 2025	RMBS RAMBUS INC	Tax Payment(F)	490	$52.29	$25,622	Direct
Apr 1, 2025	RMBS RAMBUS INC	Award(A)	5,168	-	-	Direct

1-7 of 7 transactions

About Allen John K

Allen John K (SEC CIK 0001397728) files insider reports with the SEC as Chief Accounting Officer of RAMBUS INC (RMBS).

Signal8 holds 3 ownership filings by Allen John K, all Form 4s, filed between Apr 3, 2025 and Apr 7, 2026. Those filings report 7 transactions, from Apr 1, 2025 to Apr 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Allen John K's filings is in SAN JOSE, CA.

Recent filings by Allen John K

Apr 3, 2026: Tax withholding of RMBS shares (Form 4, code F).
Apr 1, 2026: Grant or award of RMBS shares (Form 4, code A).
Apr 1, 2026: Tax withholdings of RMBS shares (2 lines, Form 4, code F).
Apr 3, 2025: Tax withholding of RMBS shares (Form 4, code F).
Apr 1, 2025: Tax withholding of RMBS shares (Form 4, code F).

Other insiders filing for RAMBUS INC (RMBS)

KISSNER CHARLES, Director
Taulbee William Clarence II, Chief Accounting Officer
Sayiner Necip, Director
Higashi Emiko, Director
STANG ERIC B, Director
FAN XIANZHI SEAN, EVP, COO

How to read Form 4 transaction codes