Emiko Higashi

CIK: 0001318086

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (62.5%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (37.5%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (3)

RMBS

RAMBUS INC

Director

TAK

TAKEDA PHARMACEUTICAL CO LTD

Director

KLAC

KLA CORP

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

RMBS
RAMBUS INC
Jun 2, 2026
Sale(S)
Direct
5K shares at avg. $163.00$815K
RMBS
RAMBUS INC
Jun 2, 2026
Sale(S)
Direct
5K shares at avg. $158.00$790K
RMBS
RAMBUS INC
May 26, 2026
Sale(S)
Direct
5K shares at avg. $157.57$788K
RMBS
RAMBUS INC
Apr 1, 2026
Award(A)
Direct
2.2K shares-
RMBS
RAMBUS INC
Aug 13, 2025
Sale(S)
Direct
1.1K shares at avg. $77.75$84K
RMBS
RAMBUS INC
Aug 4, 2025
Sale(S)
Direct
1.1K shares at avg. $75.00$83K
RMBS
RAMBUS INC
Apr 1, 2025
Award(A)
Direct
3.8K shares-
KLAC
KLA CORP
Nov 6, 2024
Award(A)
Direct
350 shares-

		Type	Shares	Price		Ownership
Jun 2, 2026	RMBS RAMBUS INC	Sale(S)	5,000	$163.00	$815,000	Direct
Jun 2, 2026	RMBS RAMBUS INC	Sale(S)	5,000	$158.00	$790,000	Direct
May 26, 2026	RMBS RAMBUS INC	Sale(S)	5,000	$157.57	$787,851	Direct
Apr 1, 2026	RMBS RAMBUS INC	Award(A)	2,223	-	$0	Direct
Aug 13, 2025	RMBS RAMBUS INC	Sale(S)	1,075	$77.75	$83,581	Direct
Aug 4, 2025	RMBS RAMBUS INC	Sale(S)	1,111	$75.00	$83,325	Direct
Apr 1, 2025	RMBS RAMBUS INC	Award(A)	3,824	-	-	Direct
Nov 6, 2024	KLAC KLA CORP	Award(A)	350	-	$0	Direct

1-8 of 8 transactions

About Higashi Emiko

Higashi Emiko (SEC CIK 0001318086) files insider reports with the SEC as Director of RAMBUS INC (RMBS), Director of TAKEDA PHARMACEUTICAL CO LTD (TAK) and Director of KLA CORP (KLAC).

Signal8 holds 8 ownership filings by Higashi Emiko (1 Form 3, 7 Form 4), filed between Nov 8, 2024 and Jun 3, 2026. Those filings report 8 transactions, from Nov 6, 2024 to Jun 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Higashi Emiko's filings is in SAN JOSE, CA.

Recent filings by Higashi Emiko

Jun 2, 2026: Open-market sales of RMBS shares (2 lines, Form 4, code S).
May 26, 2026: Open-market sale of RMBS shares (Form 4, code S).
Apr 1, 2026: Grant or award of RMBS shares (Form 4, code A).
Aug 13, 2025: Open-market sale of RMBS shares (Form 4, code S).
Aug 4, 2025: Open-market sale of RMBS shares (Form 4, code S).

Other insiders filing for RAMBUS INC (RMBS)

KISSNER CHARLES, Director
Taulbee William Clarence II, Chief Accounting Officer
Sayiner Necip, Director
STANG ERIC B, Director
FAN XIANZHI SEAN, EVP, COO
Shinn John, SVP, General Counsel

How to read Form 4 transaction codes