Higashi Emiko

Director at TAKEDA PHARMACEUTICAL CO LTD · on record since Mar 18, 2026
Director at KLA CORP · on record since Nov 4, 2010
Director at RAMBUS INC · on record since Apr 3, 2026
Director at InvenSense Inc · on record since Nov 3, 2014
Director at One Equity Partners Open Water I Corp. · on record since Jan 21, 2021

Insider trading activity of Higashi Emiko

Transactions on record: 59; since Nov 4, 2010

Open-market buys: 0

Open-market sells: 13; $4M

Companies traded: 3; last filing Jun 3, 2026

Figures computed from official regulatory filings — .

Companies where Higashi Emiko has traded

RAMBUS INC17 tx · $3M · Jun 3, 2026
KLA CORP32 tx · $950.7K · Nov 8, 2024
InvenSense Inc10 tx · $295.2K · May 22, 2017

Track record of Higashi Emiko

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Higashi Emiko

Co-insiders of Higashi Emiko

DENTINGER MARK PInvenSense Inc +1
PENG VICTORKLA CORP +1
STANG ERIC BInvenSense Inc +1
45th Parallel LLCInvenSense Inc
Abdi Behrooz L.InvenSense Inc
AKINS ROBERT PKLA CORP
ALLEN JOHN KRAMBUS INC
Artiman, L.L.C.InvenSense Inc
ARTIMAN VENTURES L PInvenSense Inc
Artiman Ventures Side Fund II, L.P.InvenSense Inc
ARTIMAN VENTURES SIDE FUND L PInvenSense Inc
BARNHOLT EDWARD WKLA CORP
BELINFANTI GREGORYOne Equity Partners Open Water I Corp.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RAMBUS INCListing on record	Jun 3, 2026	Sell	-5,000	163.00 USD	$815K	Unusual size	SEC
RAMBUS INCListing on record	Jun 3, 2026	Sell	-5,000	158.00 USD	$790K	Unusual size	SEC
RAMBUS INCListing on record	May 27, 2026	Sell	-5,000	157.57 USD	$787.9K	Unusual size	SEC
RAMBUS INCListing on record	Apr 3, 2026	Award	2,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Aug 15, 2025	Sell	-1,075	77.75 USD	$83.6K		SEC
RAMBUS INCListing on record	Aug 6, 2025	Sell	-1,111	75.00 USD	$83.3K		SEC
RAMBUS INCListing on record	Apr 3, 2025	Award	3,824	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 8, 2024	Award	350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2024	Award	2,972	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Nov 9, 2023	Sell	-8,000	60.00 USD	$480K	Unusual size	SEC
KLA CORPListing on record	Nov 3, 2023	Award	493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 5, 2023	Award	3,653	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 4, 2022	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 4, 2022	Award	5,408	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 5, 2021	Award	558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2021	Award	8,538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Exercise	-1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Award	906	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Exercise	1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2020	Award	13,927	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Award	1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Exercise	-2,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Exercise	2,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	May 2, 2019	Award	14,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Mar 13, 2019	Sell	-2,141	117.43 USD	$251.4K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RAMBUS INCListing on record	Jun 3, 2026	Sell	-5,000	163.00 USD	$815K	Unusual size	SEC
RAMBUS INCListing on record	Jun 3, 2026	Sell	-5,000	158.00 USD	$790K	Unusual size	SEC
RAMBUS INCListing on record	May 27, 2026	Sell	-5,000	157.57 USD	$787.9K	Unusual size	SEC
RAMBUS INCListing on record	Apr 3, 2026	Award	2,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Aug 15, 2025	Sell	-1,075	77.75 USD	$83.6K		SEC
RAMBUS INCListing on record	Aug 6, 2025	Sell	-1,111	75.00 USD	$83.3K		SEC
RAMBUS INCListing on record	Apr 3, 2025	Award	3,824	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 8, 2024	Award	350	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2024	Award	2,972	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Nov 9, 2023	Sell	-8,000	60.00 USD	$480K	Unusual size	SEC
KLA CORPListing on record	Nov 3, 2023	Award	493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 5, 2023	Award	3,653	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 4, 2022	Award	704	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 4, 2022	Award	5,408	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 5, 2021	Award	558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2021	Award	8,538	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Exercise	-1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Award	906	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 6, 2020	Exercise	1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	Apr 2, 2020	Award	13,927	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Award	1,162	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Exercise	-2,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Nov 7, 2019	Exercise	2,072	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
RAMBUS INCListing on record	May 2, 2019	Award	14,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
KLA CORPListing on record	Mar 13, 2019	Sell	-2,141	117.43 USD	$251.4K		SEC