KISSNER CHARLES
- Shares
- 13.75K
- % company
- 0.01%
- Price
- $100.92
- Value
- $1,387,347
Filed Aug 7, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ NMS - GLOBAL MARKET · Technology · Holders
Rambus Inc. (RMBS) Insider Trading History
Recent Form 4 insider activity for RMBS, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Sep 1, 3:03 PM EDT
Ownership read
RMBS insider sentiment: Net selling.
37 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
RMBS
Purchases0
Sales4.26M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$440.56M sold / — bought
Latest filing
Aug 7, 2026
Most recent holder or insider filing date
Filings shown
68
68 insider
- Latest filing
- Aug 7, 2026
- Most recent holder or insider filing date
- Insider rows
- 68
- Market data source
Recent insider transactions
Rambus Inc. (RMBS) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Sayiner Necip
- Shares
- 18.22K
- % company
- 0.02%
- Price
- $170.15
- Value
- $3,100,643
Filed Jun 3, 2026
Higashi Emiko
- Shares
- 49.52K
- % company
- 0.05%
- Price
- $158.00
- Value
- $7,824,002
Filed Jun 2, 2026
Higashi Emiko
- Shares
- 54.52K
- % company
- 0.05%
- Price
- $163.00
- Value
- $8,886,597
Filed Jun 2, 2026
STANG ERIC B
- Shares
- 19.22K
- % company
- 0.02%
- Price
- $146.00
- Value
- $2,805,828
Filed Jun 1, 2026
Higashi Emiko
- Shares
- 59.52K
- % company
- 0.05%
- Price
- $157.57
- Value
- $9,378,415
Filed May 26, 2026
FAN XIANZHI SEAN
- Shares
- 168.36K
- % company
- 0.16%
- Price
- $152.35
- Value
- $25,649,341
Filed May 26, 2026
FAN XIANZHI SEAN
- Shares
- 168.46K
- % company
- 0.16%
- Price
- $151.69
- Value
- $25,553,327
Filed May 26, 2026
Shinn John
- Shares
- 21.11K
- % company
- 0.02%
- Price
- $143.63
- Value
- $3,032,317
Filed May 22, 2026
Sayiner Necip
- Shares
- 23.22K
- % company
- 0.02%
- Price
- $130.18
- Value
- $3,023,170
Filed May 8, 2026
LAUB STEVEN
- Shares
- 7.52K
- % company
- <0.01%
- Price
- $125.52
- Value
- $943,781
Filed May 7, 2026
Gagneja Sumeet
- Shares
- 41.32K
- % company
- 0.04%
Filed May 1, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | KISSNER CHARLES | 0.01% | SaleOpen-market or direct sale reported on Form 4. | 13.75K | Aug 7, 2026 |
| 2 | Sayiner Necip | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 18.22K | Jun 3, 2026 |
| 3 | Higashi Emiko | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 49.52K | Jun 2, 2026 |
| 4 | Higashi Emiko | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 54.52K | Jun 2, 2026 |
| 5 | STANG ERIC B | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 19.22K | Jun 1, 2026 |
| 6 | Higashi Emiko | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 59.52K | May 26, 2026 |
| 7 | FAN XIANZHI SEAN | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 168.36K | May 26, 2026 |
| 8 | FAN XIANZHI SEAN | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 168.46K | May 26, 2026 |
| 9 | Shinn John | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 21.11K | May 22, 2026 |
| 10 | Sayiner Necip | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 23.22K | May 8, 2026 |
| 11 | LAUB STEVEN | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 7.52K | May 7, 2026 |
| 12 | Gagneja Sumeet | 0.04% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 41.32K | May 1, 2026 |
Showing 12 of 68 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported RMBS insider?
Seraphin Luc has the largest absolute share movement in the displayed RMBS filing rows, totaling 4.67 million shares. The action labels provide the transaction context.