Rambus Inc
RMBS- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000917273
In the last 90 days, Rambus Inc insiders filed 0 open-market purchases and 2 sales; 620 institutions reported holding it in 13F filings for Q2 2026, worth $13.3B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Rambus Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 1 insider, $1.03M in total
- Insiders trading
- 1
- Net value
- −$1.03M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Rambus Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kissner Charles | Director | 8,747Indirect | Sep 24, 2026 | 3 |
| Higashi Emiko | Director | 49,519 | Jun 3, 2026 | 3 |
| Sayiner Necip | Director | 18,223 | Jun 3, 2026 | 3 |
| Stang Eric B | Director | 19,218Indirect | Jun 2, 2026 | 3 |
| Fan Xianzhi Sean | EVP, COO | 168,358 | May 26, 2026 | 5 |
| Shinn John | SVP, General Counsel | 21,112 | May 26, 2026 | 5 |
| Laub Steven | Director | 7,519 | May 11, 2026 | 2 |
| Gagneja Sumeet | SVP, CFO | 41,320 | May 4, 2026 | 1 |
| Rao Meera | Director | 19,974 | Apr 27, 2026 | 4 |
| Allen John K | Chief Accounting Officer | 17,131 | Apr 7, 2026 | 2 |
| Peng Victor | Director | 2,391 | Apr 3, 2026 | 2 |
| Seraphin Luc | President and CEO | 345,767 | Apr 3, 2026 | 3 |
| Lynch Desmond | SVP, CFO | 63,618 | Feb 24, 2026 | 3 |
| Rogge Karen M | Director | 17,364 | Apr 5, 2023 | 0 |
| Mitarotonda James A | Director | 13,946 | Apr 4, 2022 | 0 |
| Saraf Sanjay | Director | 50,241 | Apr 4, 2022 | 0 |
| Jones Keith A | Principal Accounting Officer | 54,719 | Mar 3, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 (view filing) | Jun 3 | Same day | Sayiner NecipDirector | SSale | −5.00K | $170.15 | −$850.8K | −21.5%18.2K after | |
| Aug 10, 2026 (view filing)7:58 PM ET | Aug 7 | 3 days | Kissner CharlesDirector | SSale | −5.00K | $100.92 | −$504.6K | −26.7%13.7K after | 10b5-1 |
| Sep 24, 2026 (view filing)1:04 PM ET | Sep 22 | 2 days | Kissner CharlesDirector | SSale | −5.00K | $105.00 | −$525.0K | −36.4%8.75K after | 10b5-1 |