RMBS
Rambus Inc
NASDAQ: RMBS · TECHNOLOGY · SEMICONDUCTORS
$112.16
+0.80% today
Updated 2026-04-29
Market cap
$12.13B
P/E ratio
53.67
P/S ratio
16.82x
EPS (TTM)
$2.09
Dividend yield
—
52W range
$49 – $162
Volume
2.2M
Rambus Inc (RMBS) Insider transactions
Net insider activity
Net buying (173,758 shares)
Buy transactions
31
Sell transactions
69
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-14 | RAO, MEERA | Director | Sale | 8,538 | $118.08 | $1.01M |
| 2026-04-03 | ALLEN, JOHN K | Chief Accounting Officer | Sale | 1,131 | $92.22 | $104300.82 |
| 2026-04-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 2,750 | $87.11 | $239564.88 |
| 2026-04-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 2,511 | $86.04 | $216045.44 |
| 2026-04-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 165 | $88.35 | $14577.77 |
| 2026-04-01 | STANG, ERIC B | Director | Buy | 2,223 | — | — |
| 2026-04-01 | SHINN, JOHN | SVP, General Counsel | Buy | 5,558 | — | — |
| 2026-04-01 | SHINN, JOHN | SVP, General Counsel | Sale | 1,913 | $89.95 | $172074.35 |
| 2026-04-01 | SERAPHIN, LUC | Director, President and CEO | Buy | 32,684 | — | — |
| 2026-04-01 | SERAPHIN, LUC | Director, President and CEO | Sale | 12,561 | $89.95 | $1.13M |
| 2026-04-01 | SAYINER, NECIP | Director | Buy | 2,223 | — | — |
| 2026-04-01 | RAO, MEERA | Director | Buy | 2,223 | — | — |
| 2026-04-01 | PENG, VICTOR | Director | Buy | 2,223 | — | — |
| 2026-04-01 | LAUB, STEVEN | Director | Buy | 2,223 | — | — |
| 2026-04-01 | KISSNER, CHARLES | Director | Buy | 2,223 | — | — |
| 2026-04-01 | HIGASHI, EMIKO | Director | Buy | 2,223 | — | — |
| 2026-04-01 | FAN, XIANZHI SEAN | EVP, COO | Buy | 22,234 | — | — |
| 2026-04-01 | FAN, XIANZHI SEAN | EVP, COO | Sale | 9,916 | $89.95 | $891944.20 |
| 2026-04-01 | ALLEN, JOHN K | Chief Accounting Officer | Buy | 2,779 | — | — |
| 2026-04-01 | ALLEN, JOHN K | Chief Accounting Officer | Sale | 658 | $89.95 | $59187.10 |
| 2026-04-01 | ALLEN, JOHN K | Chief Accounting Officer | Sale | 495 | $89.95 | $44525.25 |
| 2026-03-10 | SHINN, JOHN | SVP, General Counsel | Sale | 4,356 | $88.64 | $386098.85 |
| 2026-03-10 | SHINN, JOHN | SVP, General Counsel | Sale | 200 | $89.55 | $17909.00 |
| 2026-03-03 | SHINN, JOHN | SVP, General Counsel | Sale | 2,254 | $92.77 | $209104.48 |
| 2026-03-03 | SHINN, JOHN | SVP, General Counsel | Sale | 1,603 | $94.07 | $150793.89 |
| 2026-03-03 | SHINN, JOHN | SVP, General Counsel | Sale | 700 | $94.89 | $66420.97 |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 13,654 | $98.22 | $1.34M |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 9,469 | $99.17 | $939001.91 |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 7,225 | $97.38 | $703569.06 |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 6,587 | $100.20 | $660003.57 |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 1,679 | $95.83 | $160900.58 |
| 2026-03-02 | SERAPHIN, LUC | Director, President and CEO | Sale | 1,300 | $101.65 | $132149.94 |
| 2026-03-02 | PENG, VICTOR | Director | Buy | 168 | — | — |
| 2026-02-23 | LYNCH, DESMOND | SVP, CFO | Sale | 4,273 | $101.53 | $433837.69 |
| 2026-02-01 | SHINN, JOHN | SVP, General Counsel | Buy | 17,276 | — | — |
| 2026-02-01 | SHINN, JOHN | SVP, General Counsel | Sale | 9,884 | $113.71 | $1.12M |
| 2026-02-01 | SERAPHIN, LUC | Director, President and CEO | Buy | 143,744 | — | — |
| 2026-02-01 | SERAPHIN, LUC | Director, President and CEO | Sale | 92,523 | $113.71 | $10.52M |
| 2026-02-01 | LYNCH, DESMOND | SVP, CFO | Buy | 34,554 | — | — |
| 2026-02-01 | LYNCH, DESMOND | SVP, CFO | Sale | 22,105 | $113.71 | $2.51M |
| 2026-02-01 | FAN, XIANZHI SEAN | EVP, COO | Buy | 148,802 | — | — |
| 2026-02-01 | FAN, XIANZHI SEAN | EVP, COO | Sale | 92,403 | $113.71 | $10.51M |
| 2025-11-21 | FAN, XIANZHI SEAN | EVP, COO | Sale | 300 | — | — |
| 2025-11-19 | FAN, XIANZHI SEAN | EVP, COO | Sale | 300 | — | — |
| 2025-11-10 | STANG, ERIC B | Director | Sale | 4,000 | $111.79 | $447140.00 |
| 2025-11-07 | STANG, ERIC B | Director | Sale | 5,000 | $102.35 | $511760.00 |
| 2025-10-06 | LYNCH, DESMOND | SVP, CFO | Sale | 5,467 | $101.17 | $553086.00 |
| 2025-10-06 | LYNCH, DESMOND | SVP, CFO | Sale | 3,607 | $101.99 | $367886.59 |
| 2025-10-01 | RAO, MEERA | Director | Sale | 653 | $101.99 | $66599.47 |
| 2025-09-15 | LYNCH, DESMOND | SVP, CFO | Sale | 9,074 | $91.70 | $832098.50 |
| 2025-09-11 | SAYINER, NECIP | Director | Sale | 7,500 | $85.63 | $642225.75 |
| 2025-09-02 | RAO, MEERA | Director | Sale | 3,000 | $71.72 | $215160.00 |
| 2025-09-01 | LYNCH, DESMOND | SVP, CFO | Sale | 2,725 | $73.49 | $200246.63 |
| 2025-08-29 | LAUB, STEVEN | Director | Sale | 2,261 | $78.72 | $177994.96 |
| 2025-08-13 | HIGASHI, EMIKO | Director | Sale | 1,075 | $77.75 | $83581.25 |
| 2025-08-08 | SAYINER, NECIP | Director | Sale | 7,500 | $73.53 | $551448.00 |
| 2025-08-04 | SHINN, JOHN | SVP, General Counsel | Sale | 790 | $74.61 | $58944.90 |
| 2025-08-04 | HIGASHI, EMIKO | Director | Sale | 1,111 | $75.00 | $83325.00 |
| 2025-05-27 | LAUB, STEVEN | Director | Sale | 1,847 | $55.13 | $101815.88 |
| 2025-05-19 | LAUB, STEVEN | Director | Sale | 3,653 | $55.56 | $202960.68 |
| 2025-05-09 | STANG, ERIC B | Director | Sale | 3,653 | $51.13 | $186777.89 |
| 2025-05-05 | LYNCH, DESMOND | SVP, CFO | Sale | 3,118 | $50.31 | $156866.58 |
| 2025-04-23 | SERAPHIN, LUC | Director, President and CEO | Sale | 6,348 | $46.97 | $298165.56 |
| 2025-04-22 | SERAPHIN, LUC | Director, President and CEO | Sale | 1,255 | $45.00 | $56475.00 |
| 2025-04-15 | SERAPHIN, LUC | Director, President and CEO | Sale | 10,000 | $47.79 | $477868.00 |
| 2025-04-08 | SERAPHIN, LUC | Director, President and CEO | Sale | 10,000 | $46.81 | $468100.00 |
| 2025-04-03 | ALLEN, JOHN K | Chief Accounting Officer | Sale | 1,129 | $46.15 | $52103.35 |
| 2025-04-01 | STANG, ERIC B | Director | Buy | 3,824 | — | — |
| 2025-04-01 | SHINN, JOHN | SVP, General Counsel | Buy | 8,605 | — | — |
| 2025-04-01 | SHINN, JOHN | SVP, General Counsel | Sale | 817 | $52.29 | $42720.93 |
| 2025-04-01 | SERAPHIN, LUC | Director, President and CEO | Buy | 55,077 | — | — |
| 2025-04-01 | SERAPHIN, LUC | Director, President and CEO | Sale | 10,000 | $50.88 | $508815.00 |
| 2025-04-01 | SERAPHIN, LUC | Director, President and CEO | Sale | 5,164 | $52.29 | $270025.56 |
| 2025-04-01 | SAYINER, NECIP | Director | Buy | 3,824 | — | — |
| 2025-04-01 | RAO, MEERA | Director | Buy | 3,824 | — | — |
| 2025-04-01 | LYNCH, DESMOND | SVP, CFO | Buy | 18,167 | — | — |
| 2025-04-01 | LYNCH, DESMOND | SVP, CFO | Sale | 1,829 | $52.29 | $95638.41 |
| 2025-04-01 | LAUB, STEVEN | Director | Buy | 3,824 | — | — |
| 2025-04-01 | KISSNER, CHARLES | Director | Buy | 3,824 | — | — |
| 2025-04-01 | HIGASHI, EMIKO | Director | Buy | 3,824 | — | — |
| 2025-04-01 | FAN, XIANZHI SEAN | EVP, COO | Buy | 47,810 | — | — |
| 2025-04-01 | FAN, XIANZHI SEAN | EVP, COO | Sale | 3,496 | $52.29 | $182805.84 |
| 2025-04-01 | ALLEN, JOHN K | Chief Accounting Officer | Buy | 5,168 | — | — |
| 2025-04-01 | ALLEN, JOHN K | Chief Accounting Officer | Sale | 490 | $52.29 | $25622.10 |
| 2025-03-25 | SERAPHIN, LUC | Director, President and CEO | Sale | 10,000 | $58.64 | $586406.00 |
| 2025-03-21 | SHINN, JOHN | SVP, General Counsel | Sale | 7,632 | $55.73 | $425296.25 |
| 2025-03-18 | SERAPHIN, LUC | Director, President and CEO | Sale | 10,000 | $53.79 | $537888.00 |
| 2025-03-14 | SHINN, JOHN | SVP, General Counsel | Sale | 7,633 | $52.98 | $404358.94 |
| 2025-03-14 | LYNCH, DESMOND | SVP, CFO | Sale | 3,743 | $53.27 | $199389.61 |
| 2025-02-19 | SAYINER, NECIP | Director | Sale | 4,625 | $66.74 | $308681.29 |
| 2025-02-19 | FAN, XIANZHI SEAN | EVP, COO | Sale | 52,327 | $68.02 | $3.56M |
| 2025-02-01 | SHINN, JOHN | SVP, General Counsel | Buy | 18,777 | — | — |
| 2025-02-01 | SHINN, JOHN | SVP, General Counsel | Sale | 10,950 | $60.35 | $660832.50 |
| 2025-02-01 | SERAPHIN, LUC | Director, President and CEO | Buy | 191,548 | — | — |
| 2025-02-01 | SERAPHIN, LUC | Director, President and CEO | Sale | 127,869 | $60.35 | $7.72M |
| 2025-02-01 | LYNCH, DESMOND | SVP, CFO | Buy | 39,072 | — | — |
| 2025-02-01 | LYNCH, DESMOND | SVP, CFO | Sale | 26,111 | $60.35 | $1.58M |
| 2025-02-01 | FAN, XIANZHI SEAN | EVP, COO | Buy | 112,675 | — | — |
| 2025-02-01 | FAN, XIANZHI SEAN | EVP, COO | Sale | 78,078 | $60.35 | $4.71M |
| 2024-12-12 | SHINN, JOHN | SVP, General Counsel | Sale | 2,462 | $58.13 | $143122.71 |