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sellWeak cluster of 310b5-1 plan

Desmond Lynch sold $434k of RMBS

SVP, CFO at RAMBUS INC. 4,273 shares at an average of $101.53, traded Feb 23, 2026, filed Feb 24, 2026.

Warning score
34
Value
$434k
4,273 shares
Holdings after
63,618
-6% from before
From 52-week low
+122%
low $42.90, close $95.27
From 52-week high
-24%
high $125.93, as of Feb 23, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $434k at market
    +17
  • Share of holdings sold
    Sold 6.3% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -7.2%, 3m +59.5%, 6m -8.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

RMBSOct 12, 2026 · close 101.04
Since filing Feb 24, 2026: +2.5%SPY +14.1% · excess -11.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-066434, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 23, 2026SOpen-market sale
Common Stock10b5-1
-4,273$101.53$434k63,618Feb 24, 2026

Related signals

Other insiders at RAMBUS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
RMBSsell10b5-1
RAMBUS INC
Charles Kissner
director
$555k
5,000 shares
-57%
23Weak
RMBSsell10b5-1
RAMBUS INC
Charles Kissner
director
$525k
5,000 shares
-36%
23Weak
RMBSsell10b5-1
RAMBUS INC
Charles Kissner
director
$505k
5,000 shares
-27%
60Notable
RMBSsell 5
RAMBUS INC
Emiko Higashi
director
$1.6M
10,000 shares
-17%
58Moderate
RMBSsell 5
RAMBUS INC
Necip Sayiner
director
$851k
5,000 shares
-22%
56Moderate
RMBSsell 5
RAMBUS INC
Eric B Stang
director
$730k
5,000 shares
-21%
52Moderate
RMBSsell 5
RAMBUS INC
Emiko Higashi
director
$788k
5,000 shares
-8%
65Notable
RMBSsell 5
RAMBUS INC
Xianzhi Sean Fan
EVP, COO
$5.8M
37,914 shares
-18%
41Moderate
RMBSsell 5
RAMBUS INC
John Shinn
SVP, General Counsel
$144k
1,000 shares
-5%
47Moderate
RMBSsell 3
RAMBUS INC
Steven Laub
director
$188k
1,500 shares
-17%

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.

Desmond Lynch sold $434k of RMBS | InsiderTell