RGEN
Repligen Corporation
NASDAQ: RGEN · HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES
$113.11
-3.68% today
Updated 2026-04-29
Market cap
$6.38B
P/E ratio
131.52
P/S ratio
8.64x
EPS (TTM)
$0.86
Dividend yield
—
52W range
$110 – $176
Volume
0.9M
Repligen Corporation (RGEN) Insider transactions
Net insider activity
Net buying (18,074 shares)
Buy transactions
45
Sell transactions
55
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-05 | LOEILLOT, OLIVIER | Chief Executive Officer | Buy | 25,890 | — | — |
| 2026-03-05 | LOEILLOT, OLIVIER | Chief Executive Officer | Buy | 24,134 | — | — |
| 2026-03-05 | KURIYEL, RALF | Senior VP, R&D | Buy | 5,669 | — | — |
| 2026-03-05 | KURIYEL, RALF | Senior VP, R&D | Buy | 5,284 | — | — |
| 2026-03-05 | GARLAND, JASON K | CFO | Buy | 8,315 | — | — |
| 2026-03-05 | GARLAND, JASON K | CFO | Buy | 7,751 | — | — |
| 2026-03-05 | BYLUND, JAMES | Chief Operating Officer | Buy | 8,315 | — | — |
| 2026-03-05 | BYLUND, JAMES | Chief Operating Officer | Buy | 7,751 | — | — |
| 2026-03-04 | KURIYEL, RALF | Senior VP, R&D | Buy | 125 | — | — |
| 2026-03-04 | KURIYEL, RALF | Senior VP, R&D | Sale | 42 | $125.84 | $5285.28 |
| 2026-03-04 | BYLUND, JAMES | Chief Operating Officer | Buy | 125 | — | — |
| 2026-03-04 | BYLUND, JAMES | Chief Operating Officer | Sale | 62 | $125.84 | $7802.08 |
| 2026-03-02 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Sale | 1,610 | $124.97 | $201201.70 |
| 2026-03-02 | KURIYEL, RALF | Senior VP, R&D | Sale | 923 | $124.97 | $115347.31 |
| 2026-03-02 | HUNT, ANTHONY | Director | Sale | 9,897 | $124.97 | $1.24M |
| 2026-03-02 | GARLAND, JASON K | CFO | Sale | 715 | $124.97 | $89353.55 |
| 2026-03-02 | DOUGLASS, BRIAN ROBB | CHIEF PRODUCT OFFICER | Sale | 221 | $124.97 | $27618.37 |
| 2026-03-02 | BYLUND, JAMES | Chief Operating Officer | Sale | 2,433 | $124.97 | $304052.01 |
| 2026-02-27 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Sale | 344 | $128.73 | $44283.12 |
| 2026-02-27 | KURIYEL, RALF | Senior VP, R&D | Sale | 444 | $128.73 | $57156.12 |
| 2026-02-27 | GARLAND, JASON K | CFO | Sale | 327 | $128.73 | $42094.71 |
| 2026-02-27 | BYLUND, JAMES | Chief Operating Officer | Sale | 1,478 | $128.73 | $190262.94 |
| 2025-12-31 | DOUGLASS, BRIAN ROBB | CHIEF PRODUCT OFFICER | Buy | 2,143 | — | — |
| 2025-12-31 | DOUGLASS, BRIAN ROBB | CHIEF PRODUCT OFFICER | Buy | 2,288 | — | — |
| 2025-12-17 | DAWES, KAREN A | Director | Sale | 275 | $161.00 | $44275.00 |
| 2025-12-16 | MUIR, GLENN P | Director | Buy | 3,366 | — | — |
| 2025-12-16 | MUIR, GLENN P | Director | Buy | 3,366 | $26.12 | $87919.92 |
| 2025-12-04 | HUNT, ANTHONY | Director | Sale | 2,000 | — | — |
| 2025-11-25 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Sale | 7,041 | $170.00 | $1.20M |
| 2025-11-18 | BYLUND, JAMES | Chief Operating Officer | Sale | 2,191 | $151.21 | $331301.11 |
| 2025-11-13 | HUNT, ANTHONY | Director | Buy | 2,952 | — | — |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 5,737 | $156.22 | $896234.14 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 3,000 | $155.45 | $466350.00 |
| 2025-11-13 | HUNT, ANTHONY | Director | Buy | 2,952 | $33.87 | $99984.24 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 2,923 | $153.14 | $447628.22 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 2,500 | $154.32 | $385800.00 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 2,100 | $152.17 | $319557.00 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 1,956 | $157.11 | $307307.16 |
| 2025-11-13 | HUNT, ANTHONY | Director | Sale | 1,784 | $151.01 | $269401.84 |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 25,000 | — | — |
| 2025-11-12 | HUNT, ANTHONY | Director | Buy | 25,000 | $33.87 | $846750.00 |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 11,096 | $158.01 | $1.75M |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 4,959 | $156.65 | $776827.35 |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 4,740 | $155.85 | $738729.00 |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 3,741 | $154.92 | $579555.72 |
| 2025-11-12 | HUNT, ANTHONY | Director | Sale | 464 | $158.51 | $73548.64 |
| 2025-10-02 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Sale | 1,248 | $145.23 | $181247.04 |
| 2025-09-25 | GARLAND, JASON K | CFO | Sale | 412 | $121.68 | $50132.16 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 20,000 | — | — |
| 2025-09-10 | HUNT, ANTHONY | Director | Buy | 20,000 | $33.87 | $677400.00 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 14,882 | $120.19 | $1.79M |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 7,584 | $121.42 | $920849.28 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 3,262 | $119.64 | $390265.68 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 2,179 | $122.23 | $266339.17 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 1,108 | $118.32 | $131098.56 |
| 2025-09-10 | HUNT, ANTHONY | Director | Sale | 96 | $116.34 | $11168.64 |
| 2025-09-03 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Sale | 2,506 | $116.18 | $291147.08 |
| 2025-09-02 | HUGHES, VIOLETTA | CHIEF ACCOUNTING OFFICER | Buy | 3,914 | — | — |
| 2025-09-02 | HUGHES, VIOLETTA | CHIEF ACCOUNTING OFFICER | Buy | 4,142 | — | — |
| 2025-08-08 | MADAUS, MARTIN D | Director | Buy | 1,800 | $112.13 | $201830.40 |
| 2025-05-15 | PAX, MARGARET | Director | Buy | 1,800 | — | — |
| 2025-05-15 | PAX, MARGARET | Director | Buy | 973 | — | — |
| 2025-05-15 | MUIR, GLENN P | Director | Buy | 1,800 | — | — |
| 2025-05-15 | MUIR, GLENN P | Director | Buy | 973 | — | — |
| 2025-05-15 | MHATRE, ROHIN | Director | Buy | 1,800 | — | — |
| 2025-05-15 | MHATRE, ROHIN | Director | Buy | 973 | — | — |
| 2025-05-15 | MADAUS, MARTIN D | Director | Buy | 1,800 | — | — |
| 2025-05-15 | MADAUS, MARTIN D | Director | Buy | 973 | — | — |
| 2025-05-15 | KONSTANTINOV, KONSTANTIN | Director | Buy | 1,800 | — | — |
| 2025-05-15 | KONSTANTINOV, KONSTANTIN | Director | Buy | 973 | — | — |
| 2025-05-15 | HUNT, ANTHONY | Director | Sale | 17,596 | $123.57 | $2.17M |
| 2025-05-15 | HUNT, ANTHONY | Director | Sale | 6,533 | $124.34 | $812313.22 |
| 2025-05-15 | HUNT, ANTHONY | Director | Sale | 2,043 | $122.66 | $250594.38 |
| 2025-05-15 | HUNT, ANTHONY | Director | Sale | 268 | $125.20 | $33553.60 |
| 2025-05-15 | HUNT, ANTHONY | Director | Sale | 7 | $127.00 | $889.00 |
| 2025-05-15 | EGLINTON, MANNER CARRIE | Director | Buy | 1,800 | — | — |
| 2025-05-15 | EGLINTON, MANNER CARRIE | Director | Buy | 973 | — | — |
| 2025-05-15 | DAWES, KAREN A | Director | Buy | 1,800 | — | — |
| 2025-05-15 | DAWES, KAREN A | Director | Buy | 973 | — | — |
| 2025-05-15 | BARTHELEMY, NICOLAS | Director | Buy | 1,800 | — | — |
| 2025-05-15 | BARTHELEMY, NICOLAS | Director | Buy | 973 | — | — |
| 2025-04-01 | BYLUND, JAMES | Chief Operating Officer | Sale | 454 | $128.50 | $58339.00 |
| 2025-03-17 | PAX, MARGARET | Director | Buy | 250 | $150.69 | $37672.50 |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 21,756 | — | — |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 5,000 | — | — |
| 2025-03-17 | HUNT, ANTHONY | Director | Buy | 21,756 | $59.52 | $1.29M |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 15,619 | $152.82 | $2.39M |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 6,176 | $151.96 | $938504.96 |
| 2025-03-17 | HUNT, ANTHONY | Director | Buy | 5,000 | $33.87 | $169350.00 |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 2,518 | $151.09 | $380444.62 |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 2,283 | $153.70 | $350897.10 |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 100 | $150.38 | $15038.00 |
| 2025-03-17 | HUNT, ANTHONY | Director | Sale | 60 | $148.05 | $8883.00 |
| 2025-03-13 | BYLUND, JAMES | Chief Operating Officer | Buy | 381 | — | — |
| 2025-03-13 | BYLUND, JAMES | Chief Operating Officer | Sale | 175 | $142.44 | $24927.00 |
| 2025-03-03 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Buy | 13,627 | — | — |
| 2025-03-03 | LOEILLOT, OLIVIER | Director, Chief Executive Officer | Buy | 14,480 | — | — |
| 2025-03-03 | KURIYEL, RALF | Senior VP, R&D | Buy | 4,542 | — | — |
| 2025-03-03 | KURIYEL, RALF | Senior VP, R&D | Buy | 4,826 | — | — |
| 2025-03-03 | KURIYEL, RALF | Senior VP, R&D | Sale | 386 | $155.38 | $59976.68 |