Form 4 for RMBS RAMBUS INC
Accepted 2026-04-03 20:07:54 ET · period of report 2026-04-01 · accession 0001193125-26-142576 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-03 20:07 | 2026-04-01 | RMBS | Allen John K | CAO | A - Grant | $0.00 | +2,779 | 19.4K | +17% | $0 | |
| M | 2026-04-03 20:07 | 2026-04-01 | RMBS | Allen John K | CAO | F - Tax | $89.95 | -1,153 | 18.3K | -6% | -$103.7K |
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 | 2,779 | $0.00 | 19,415 | 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. (F2) Includes an exempt transaction of 269 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan. (F3) Includes an exempt transaction of 277 shares acquired through the Rambus Inc. 2015 Employee Stock Purchase plan. |
| 2 | Common | Common Stock | 2026-04-01 | F | D | 495 | $89.95 | 18,920 | D | — | — | (F4) 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 | 2026-04-01 | F | D | 658 | $89.95 | 18,262 | D | — | — | (F4) The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs. |