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Insider · CIK 0001188095

Charles Kissner

director

Files at RMBS (RAMBUS INC). First filing Aug 10, 2026, latest Oct 5, 2026.

In brief

Charles Kissner files SEC Form 4 as director at RMBS (RAMBUS INC). Since Aug 10, 2026, Charles Kissner has reported 0 open-market buys worth $0 and 3 open-market sells worth $1.6M, the latest filed on Oct 5, 2026.

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

The newest scored trade: sold $555k of RMBS on Oct 2, 2026, filed Oct 5, 2026, scored 34 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 3 sells worth $1.6M.

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 / 3
$0 bought, $1.6M 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
34Weak
RMBSsell10b5-1
RAMBUS INC
$555k
5,000 shares
-57%+40% from low-34% from high
23Weak
RMBSsell10b5-1
RAMBUS INC
$525k
5,000 shares
-36%+32% from low-38% from high
23Weak
RMBSsell10b5-1
RAMBUS INC
$505k
5,000 shares
-27%+46% from low-41% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Oct 2, 2026 RMBS
RAMBUS INC
5,000
0.00% of outstanding
$555kOct 2, 2026$1.0M
Sep 22, 2026 RMBS
RAMBUS INC
5,000
0.00% of outstanding
$525kSep 22, 2026$505k
Aug 7, 2026 RMBS
RAMBUS INC
5,000
0.00% of outstanding
$505kAug 7, 2026none

Transactions

Every row this insider has filed, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 2, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stockindirect: See Footnote10b5-1
-5,000$111.00$555k3,7478 d ago
Sep 22, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stockindirect: See Footnote10b5-1
-5,000$105.00$525k8,74719 d ago
Aug 7, 2026RMBS
RAMBUS INC
SOpen-market sale
Common Stockindirect: See Footnote10b5-1
-5,000$100.92$505k13,747Aug 10, 2026
Apr 1, 2026RMBS
RAMBUS INC
AGrant or award
Common Stock
+2,223$0.00$040,545Apr 3, 2026
Apr 1, 2025RMBS
RAMBUS INC
AGrant or award
Common Stock
+3,824$0.00$038,322Apr 3, 2025

Questions about Charles Kissner

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

Is Charles Kissner buying or selling?

In the last 12 months Charles Kissner reported 0 open-market buys worth $0 and 3 open-market sells worth $1.6M on SEC Form 4; the latest was sold $555k of RMBS on Oct 2, 2026. Grants, option exercises and tax withholding are not counted.

How did Charles Kissner's past buys perform?

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

Where does Charles Kissner file Form 4?

Charles Kissner has filed Form 4 at RMBS (RAMBUS INC). 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.

Charles Kissner: insider trades and track record | InsiderTell