Form 4 for RMBS RAMBUS INC
Accepted 2026-04-03 20:15:48 ET · period of report 2026-04-01 · accession 0001193125-26-142587 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-04-03 20:15 | 2026-04-01 | RMBS | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +32.7K | 363.8K | +10% | $0 |
| T | 2026-04-03 20:15 | 2026-04-01 | RMBS | Seraphin Luc | Pres, CEO, Dir | F - Tax | $89.95 | -12.6K | 351.2K | -3% | -$1.13M |
| MT | 2026-04-03 20:15 | 2026-04-02 | RMBS | Seraphin Luc | Pres, CEO, Dir | S - Sale | $86.65 | -5,426 | 345.8K | -2% | -$470.2K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-04-01 | A | A | 32,684 | $0.00 | 363,754 | D | — | — | (F1) The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock. |
| 2 | Common | Common Stock | 2026-04-01 | F | D | 12,561 | $89.95 | 351,193 | D | — | — | (F2) The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs. |
| 3 | Common | Common Stock | 2026-04-02 | S | D | 2,511 | $86.04 | 348,682 | D | — | — | (F3) The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025 (F4) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.70 to $86.48, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2026-04-02 | S | D | 2,750 | $87.11 | 345,932 | D | — | — | (F3) The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025 (F5) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.81 to $87.80, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
| 5 | Common | Common Stock | 2026-04-02 | S | D | 165 | $88.35 | 345,767 | D | — | — | (F3) The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025 (F6) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.85 to $88.71, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |