RMBSTechnologyLarge-Cap
RAMBUS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for RAMBUS INC (RMBS), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are RMBS insiders buying or selling?
RAMBUS INC insiders reported 0 open-market buys ($0) and 148 sells ($73.9M) across 148 Form 4 filings — a net selling position of $73.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 3, 2026)
Total Form 4 filings
148
SEC EDGAR
Insider filers
14
Insider buys (0)
$0
Insider sells (148)
$73.9M
Insider sentiment
Net sellingNet insider flow of $73.9M in net selling.
Recent RMBS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 3, 2026 | Necip Sayiner | Director | Sale | 5.0K | $170.15 | $850.8K |
| Jun 3, 2026 | Emiko Higashi | Director | Sale | 10.0K | $160.50 | $1.6M |
| Jun 2, 2026 | Eric B Stang | Director | Sale | 5.0K | $146.00 | $730.0K |
| May 27, 2026 | Emiko Higashi | Director | Sale | 5.0K | $157.57 | $787.9K |
| May 26, 2026 | Xianzhi Sean Fan | EVP, COO | Sale | 37.9K | $151.69 | $5.8M |
| May 26, 2026 | John Shinn | SVP, General Counsel | Sale | 1.0K | $143.63 | $143.6K |
| May 11, 2026 | Necip Sayiner | Director | Sale | 9.8K | $130.18 | $1.3M |
| May 11, 2026 | Steven Laub | Director | Sale | 1.5K | $125.52 | $188.3K |
| Apr 27, 2026 | Meera Rao | Director | Sale | 3.0K | $150.30 | $446.7K |
| Apr 15, 2026 | Meera Rao | Director | Sale | 8.5K | $118.08 | $1.0M |
| Apr 4, 2026 | Luc Seraphin | President and CEO | Sale | 5.4K | $86.65 | $470.2K |
| Mar 11, 2026 | John Shinn | SVP, General Counsel | Sale | 4.6K | $88.68 | $404.0K |
| Mar 4, 2026 | John Shinn | SVP, General Counsel | Sale | 4.6K | $93.55 | $426.3K |
| Mar 4, 2026 | Luc Seraphin | President and CEO | Sale | 39.9K | $98.63 | $3.9M |
| Feb 24, 2026 | Desmond Lynch | SVP, CFO | Sale | 4.3K | $101.53 | $433.8K |
| Nov 12, 2025 | Eric B Stang | Director | Sale | 9.0K | $106.54 | $958.9K |
| Oct 6, 2025 | Desmond Lynch | SVP, CFO | Sale | 9.1K | $101.50 | $921.0K |
| Oct 2, 2025 | Meera Rao | Director | Sale | 653 | $101.99 | $66.6K |
| Sep 16, 2025 | Desmond Lynch | SVP, CFO | Sale | 9.1K | $91.70 | $832.1K |
| Sep 12, 2025 | Necip Sayiner | Director | Sale | 7.5K | $85.63 | $642.2K |
| Sep 4, 2025 | Meera Rao | Director | Sale | 3.0K | $71.72 | $215.2K |
| Sep 2, 2025 | Steven Laub | Director | Sale | 2.3K | $78.72 | $178.0K |
| Aug 15, 2025 | Emiko Higashi | Director | Sale | 1.1K | $77.75 | $83.6K |
| Aug 11, 2025 | Necip Sayiner | Director | Sale | 7.5K | $73.53 | $551.4K |
| Aug 6, 2025 | Emiko Higashi | Director | Sale | 1.1K | $75.00 | $83.3K |
Showing the 25 most recent of 148 Form 4 filings for RAMBUS INC.
Most active RMBS insiders
- Luc Seraphin52 filings
- John Shinn16 filings
- Jae Kim15 filings
- Xianzhi Sean Fan11 filings
- Eric B Stang10 filings
Ask anything about RMBS insider activity
Use Trabud's AI agent to query RAMBUS INC's Form 4 history in plain English — "Show me RMBS CEO purchases this year" or compare it against any other ticker.
Open the AI agentRMBS insider trading FAQ
Are RAMBUS INC insiders buying or selling?
Across 148 SEC Form 4 filings, RAMBUS INC (RMBS) insiders reported 0 open-market purchases totaling $0 and 148 sales totaling $73.9M. That is a net selling position of $73.9M.
How many insiders trade RMBS stock?
14 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for RAMBUS INC. The most recent filing was accepted on Jun 3, 2026.
Where does Trabud get RMBS insider trading data?
All RMBS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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