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Insider · CIK 0001318086

Emiko Higashi

director

Files at KLAC (KLA CORP), RMBS (RAMBUS INC). First filing Aug 6, 2025, latest Jun 3, 2026.

In brief

Emiko Higashi files SEC Form 4 as director at RMBS (RAMBUS INC), and also at KLAC (KLA CORP). Since Aug 6, 2025, Emiko Higashi has reported 0 open-market buys worth $0 and 4 open-market sells worth $2.6M, the latest filed on Jun 3, 2026.

A track record needs three past buys with six months of prices behind them; Emiko Higashi has 0, so none is measured yet.

The newest scored trade: sold $1.6M of RMBS on Jun 2, 2026, filed Jun 3, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 2 sells worth $2.4M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 4
$0 bought, $2.6M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

RMBS: RAMBUS INC

RMBSOct 9, 2026 · close 107.47

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
60Notable
RMBSsell 5
RAMBUS INC
$1.6M
10,000 shares
-17%+205% from low0% from high
52Moderate
RMBSsell 5
RAMBUS INC
$788k
5,000 shares
-8%+194% from low-1% from high
39Weak
RMBSsell 3
RAMBUS INC
$84k
1,075 shares
-2%+101% from low0% from high
39Weak
RMBSsell 3
RAMBUS INC
$83k
1,111 shares
-2%+98% from low0% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 2, 2026 RMBS
RAMBUS INC.
10,000
0.01% of outstanding
$1.6MJun 2, 2026$788k
May 26, 2026 RMBS
RAMBUS INC.
5,000
0.00% of outstanding
$788kMay 26, 2026none
Aug 13, 2025 RMBS
RAMBUS INC.
1,075
0.00% of outstanding
$84kAug 13, 2025$83k
Aug 4, 2025 RMBS
RAMBUS INC.
1,111
0.00% of outstanding
$83kAug 4, 2025none
Nov 8, 2023 RMBS
RAMBUS INC
8,000
0.01% of outstanding
$480kNov 8, 2023none

Transactions

Every row this insider has filed, 8 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 2, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stock
-5,000$163.00$815k54,519Jun 3, 2026
Jun 2, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stock
-5,000$158.00$790k49,519Jun 3, 2026
May 26, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stock
-5,000$157.57$788k59,519May 27, 2026
Apr 1, 2026RMBS
RAMBUS INC
AGrant or award
Common Stock
+2,223$0.00$064,519Apr 3, 2026
Aug 13, 2025RMBS
RAMBUS INC
SOpen-market sale
Common Stock
-1,075$77.75$84k62,296Aug 15, 2025
Aug 4, 2025RMBS
RAMBUS INC
SOpen-market sale
Common Stock
-1,111$75.00$83k63,371Aug 6, 2025
Apr 1, 2025RMBS
RAMBUS INC
AGrant or award
Common Stock
+3,824$0.00$064,482Apr 3, 2025
Nov 6, 2024KLAC
KLA CORP
AGrant or award
Common Stock
+350$0.00$014,766Nov 8, 2024

Questions about Emiko Higashi

Answered from the filings on this page, as of the latest one.

Is Emiko Higashi buying or selling?

In the last 12 months Emiko Higashi reported 0 open-market buys worth $0 and 2 open-market sells worth $2.4M on SEC Form 4; the latest was sold $1.6M of RMBS on Jun 2, 2026. Grants, option exercises and tax withholding are not counted.

How did Emiko Higashi's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Emiko Higashi has 0.

Where does Emiko Higashi file Form 4?

Emiko Higashi has filed Form 4 at RMBS (RAMBUS INC); KLAC (KLA CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Emiko Higashi: insider trades and track record | InsiderTell