Allen John K (CIK 1397728) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-07). Recent activity: Sell RMBS (1,131 shares), Buy RMBS (2,779 shares), Sell RMBS (495 shares), Sell RMBS (658 shares), Buy RMBS (5,168 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-07 | RAMBUS INC (RMBS) | Chief Accounting Officer | Sell | 1,131 | $104,301 |
| 2026-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Buy | 2,779 | $0 |
| 2026-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Sell | 495 | $44,525 |
| 2026-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Sell | 658 | $59,187 |
| 2025-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Buy | 5,168 | $0 |
| 2025-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Sell | 490 | $25,622 |
| 2025-04-03 | RAMBUS INC (RMBS) | Chief Accounting Officer | Sell | 1,129 | $52,103 |
Source: SEC Form 4 filings · as of 2026-04-07