Insider · CIK 0001941085
Desmond Lynch
Files at RMBS (RAMBUS INC), ALAB (Astera Labs, Inc.). First filing Dec 11, 2023, latest Feb 24, 2026.
In brief
Desmond Lynch files SEC Form 4 as CFO at RMBS (RAMBUS INC), and also at ALAB (Astera Labs, Inc.). Since Dec 11, 2023, Desmond Lynch has reported 0 open-market buys worth $0 and 6 open-market sells worth $3.4M, the latest filed on Feb 24, 2026.
A track record needs three past buys with six months of prices behind them; Desmond Lynch has 0, so none is measured yet.
The newest scored trade: sold $434k of RMBS on Feb 23, 2026, filed Feb 24, 2026, scored 34 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $434k.
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
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.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | RAMBUS INC | $434k 4,273 shares | -6% | +122% from low-24% from high | |
| 39Weak | RAMBUS INC | $921k 9,074 shares | -14% | +146% from low-6% from high | |
| 45Moderate | RAMBUS INC | $832k 9,074 shares | -12% | +148% from low0% from high | |
| 28Weak | RAMBUS INC | $157k 3,118 shares | -4% | +32% from low-26% from high | |
| 40Moderate | RAMBUS INC | $487k 7,837 shares | -16% | +52% from low-16% from high | |
| 34Weak | RAMBUS INC | $542k 8,365 shares | -13% | +85% from low-7% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Apr 2, 2026 | RMBS RAMBUS INC. | 1,586 0.00% of outstanding | $136k | Apr 2, 2026 | $434k |
| Feb 23, 2026 | RMBS RAMBUS INC. | 4,273 0.00% of outstanding | $434k | Feb 23, 2026 | none |
| Oct 6, 2025 | RMBS RAMBUS INC. | 9,074 0.01% of outstanding | $921k | Oct 6, 2025 | $832k |
| Sep 15, 2025 | RMBS RAMBUS INC. | 9,074 0.01% of outstanding | $832k | Sep 15, 2025 | none |
| May 5, 2025 | RMBS RAMBUS INC. | 3,118 0.00% of outstanding | $157k | May 5, 2025 | $199k |
| Mar 14, 2025 | RMBS RAMBUS INC. | 3,743 0.00% of outstanding | $199k | Mar 14, 2025 | none |
| Mar 11, 2024 | RMBS RAMBUS INC. | 7,837 0.01% of outstanding | $487k | Mar 11, 2024 | none |
| Dec 8, 2023 | RMBS RAMBUS INC. | 6,838 0.01% of outstanding | $443k | Dec 8, 2023 | $99k |
| Dec 7, 2023 | RMBS RAMBUS INC. | 1,527 0.00% of outstanding | $99k | Dec 7, 2023 | none |
Transactions
Every row this insider has filed, 18 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 1, 2026 | ALAB Astera Labs, Inc. | AGrant or award Common Stock | +42,501 | $0.00 | $0 | 42,501 | May 5, 2026 |
| May 1, 2026 | ALAB Astera Labs, Inc. | AGrant or award Common Stock | +7,083 | $0.00 | $0 | 49,584 | May 5, 2026 |
| Feb 23, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -4,273 | $101.53 | $434k | 63,618 | Feb 24, 2026 |
| Feb 1, 2026 | RMBS RAMBUS INC | AGrant or award Common Stock | +34,554 | $0.00 | $0 | 89,996 | Feb 3, 2026 |
| Feb 1, 2026 | RMBS RAMBUS INC | FTax withholding Common Stock | -22,105 | $113.71 | $2.5M | 67,891 | Feb 3, 2026 |
| Oct 6, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -5,467 | $101.17 | $553k | 58,963 | Oct 6, 2025 |
| Oct 6, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -3,607 | $101.99 | $368k | 55,356 | Oct 6, 2025 |
| Sep 15, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -9,074 | $91.70 | $832k | 64,430 | Sep 16, 2025 |
| Sep 1, 2025 | RMBS RAMBUS INC | FTax withholding Common Stock | -2,725 | $73.49 | $200k | 73,504 | Sep 3, 2025 |
| May 5, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -3,118 | $50.31 | $157k | 75,798 | May 6, 2025 |
| Apr 1, 2025 | RMBS RAMBUS INC | AGrant or award Common Stock | +18,167 | $0.00 | $0 | 80,745 | Apr 3, 2025 |
| Apr 1, 2025 | RMBS RAMBUS INC | FTax withholding Common Stock | -1,829 | $52.29 | $96k | 78,916 | Apr 3, 2025 |
| Mar 11, 2024 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -191 | $62.25 | $12k | 49,604 | Mar 12, 2024 |
| Mar 11, 2024 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -7,646 | $62.18 | $475k | 41,958 | Mar 12, 2024 |
| Mar 4, 2024 | RMBS RAMBUS INC | FTax withholding Common Stock | -2,406 | $63.09 | $152k | 49,795 | Mar 5, 2024 |
| Feb 1, 2024 | RMBS RAMBUS INC | FTax withholding Common Stock | -5,159 | $68.15 | $352k | 52,201 | Feb 2, 2024 |
| Dec 7, 2023 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -1,527 | $64.64 | $99k | 64,198 | Dec 11, 2023 |
| Dec 8, 2023 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -6,838 | $64.78 | $443k | 57,360 | Dec 11, 2023 |
Questions about Desmond Lynch
Answered from the filings on this page, as of the latest one.
Is Desmond Lynch buying or selling?
In the last 12 months Desmond Lynch reported 0 open-market buys worth $0 and 1 open-market sell worth $434k on SEC Form 4; the latest was sold $434k of RMBS on Feb 23, 2026. Grants, option exercises and tax withholding are not counted.
How did Desmond Lynch's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Desmond Lynch has 0.
Where does Desmond Lynch file Form 4?
Desmond Lynch has filed Form 4 at RMBS (RAMBUS INC) as SVP, CFO; ALAB (Astera Labs, Inc.) as Chief Financial Officer. 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.