Rambus Inc. planned insider sales
In the twelve months since 9 October 2025 insiders at Rambus Inc. filed 21 Form 144 notices of planned sales, 171,060 shares worth $21.1 million at the time of filing, from 10 sellers. The latest, filed 2 October 2026: Kissner Charles (director), 5,000 shares worth $555,000, planned for around 2 October 2026 through UBS Financial Services Inc..
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 2 October 2026 | Kissner Charles | Director | 5,000 | $555,000 | 2 October 2026 | UBS Financial Services Inc. | RSU | Form 144 |
| 22 September 2026 | Kissner Charles | Director | 5,000 | $525,000 | 22 September 2026 | UBS Financial Services Inc. | RSU | Form 144 |
| 7 August 2026 | Kissner Charles | Director | 5,000 | $504,600 | 7 August 2026 | UBS Financial Services Inc. | RSU | Form 144 |
| 3 June 2026 | Necip Sayiner | Officer | 5,000 | $850,750 | 3 June 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 2 June 2026 | Emiko Higashi | Director | 10,000 | $1.6 million | 2 June 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 1 June 2026 | Stang Family Trust | Affiliate | 5,000 | $730,000 | 1 June 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted stock vesting under a registered plan | Form 144 |
| 26 May 2026 | Emiko Higashi | Director | 5,000 | $787,850 | 26 May 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 26 May 2026 | Xianzhi S Fan | Officer | 37,914 | $5.8 million | 26 May 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Performance Shares; Restricted Stock | Form 144 |
| 22 May 2026 | John Shinn | Officer | 1,000 | $143,630 | 22 May 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 8 May 2026 | Necip Sayiner | Director | 9,824 | $1.3 million | 8 May 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 7 May 2026 | Steven Laub | Director | 1,500 | $188,279 | 7 May 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 24 April 2026 | Meera Rao | Director | 2,972 | $446,692 | 24 April 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 14 April 2026 | Meera Rao | Director | 8,538 | $1.0 million | 14 April 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 2 April 2026 | Desmond M Lynch | Officer | 1,586 | $135,920 | 2 April 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 2 April 2026 | Luc Seraphin | Officer, Director | 5,426 | $470,188 | 2 April 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 10 March 2026 | John Shinn | Officer | 4,556 | $404,008 | 10 March 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Performance Shares | Form 144 |
| 3 March 2026 | John Shinn | Officer | 4,557 | $426,319 | 3 March 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Performance Shares | Form 144 |
| 2 March 2026 | Luc Seraphin | Officer, Director | 39,914 | $3.9 million | 2 March 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Performance Shares; Restricted Stock | Form 144 |
| 23 February 2026 | Desmond M Lynch | Officer | 4,273 | $433,838 | 23 February 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 10 November 2025 | Stang Family Trust | Officer | 4,000 | $447,140 | 10 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Previously Exercised Options | Form 144 |
| 7 November 2025 | Stang Family Trust | Officer | 5,000 | $511,760 | 7 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Previously Exercised Options | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
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Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.Source
Form 144 filings on EDGAR for Rambus Inc.: the company's filing index, each notice read from its own XML.
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