Repligen Corporation (RGEN)
Largest Insider Buys in Sector
RGEN Stock Price History Chart
RGEN Stock Performance
About Repligen Corporation
Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and SpectraFlo dynamic dialysis systems; and ProConnex single-use hollow fiber. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. Repligen Corporation was incorporated in 1981 and is headquartered in Waltham, Massachusetts.
Insider Activity of Repligen Corporation
Over the last 12 months, insiders at Repligen Corporation have bought $600,476 and sold $9.12M worth of Repligen Corporation stock.
On average, over the past 5 years, insiders at Repligen Corporation have bought $316,041 and sold $20.38M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Madaus Martin D (director) — $605,328. BARTHELEMY NICOLAS (director) — $451,620. Hunt Anthony (Chief Executive Officer) — $248,160.
The last purchase of 1,615 shares for transaction amount of $201,776 was made by Madaus Martin D (director) on 2024‑06‑14.
List of Insider Buy and Sell Transactions, Repligen Corporation
| 2024-06-14 | Hunt Anthony | Chief Executive Officer | 2,000 0.0032% | $124.08 | $248,160 | -1.77% | ||
| 2024-06-14 | BARTHELEMY NICOLAS | director | 1,200 0.0019% | $125.45 | $150,540 | -1.77% | ||
| 2024-06-14 | Madaus Martin D | director | 1,615 0.0026% | $124.94 | $201,776 | -1.77% | ||
| 2024-05-21 | Sale | Hunt Anthony | Chief Executive Officer | 20,072 0.0362% | $168.26 | $3.38M | -12.65% | |
| 2024-03-11 | Sale | KURIYEL RALF | Senior VP, R&D | 3,517 0.0063% | $193.73 | $681,348 | -13.85% | |
| 2024-03-08 | Sale | Hunt Anthony | Chief Executive Officer | 16,707 0.0302% | $197.44 | $3.3M | -14.78% | |
| 2024-02-27 | Sale | DAWES KAREN A | director | 1,000 0.0018% | $193.35 | $193,350 | -13.15% | |
| 2024-02-23 | Sale | Bylund James | Chief Operating Officer | 4,373 0.0079% | $198.08 | $866,204 | -14.62% | |
| 2023-11-10 | Sale | Gebski Christine | See Remarks | 3,788 0.0068% | $147.13 | $557,328 | +17.03% | |
| 2023-08-29 | Sale | DAWES KAREN A | director | 850 0.0015% | $171.38 | $145,673 | -3.25% | |
| 2023-05-08 | Madaus Martin D | director | 500 0.0009% | $156.18 | $78,090 | +6.26% | ||
| 2023-05-05 | Madaus Martin D | director | 500 0.0009% | $159.19 | $79,595 | +3.85% | ||
| 2023-05-04 | Madaus Martin D | director | 500 0.0009% | $161.15 | $80,575 | +5.78% | ||
| 2023-02-16 | Sale | Snodgres Jon | Chief Financial Officer | 5,647 0.0103% | $200.00 | $1.13M | -16.55% | |
| 2022-11-11 | Sale | Hunt Anthony | Chief Executive Officer | 25,000 0.0452% | $200.00 | $5M | -16.33% | |
| 2022-09-09 | Sale | DAWES KAREN A | 775 0.0014% | $227.17 | $176,057 | -26.55% | ||
| 2022-09-08 | Sale | Hunt Anthony | Chief Executive Officer | 6,626 0.0118% | $224.47 | $1.49M | -24.48% | |
| 2022-08-16 | Sale | Snodgres Jon | Chief Financial Officer | 2,400 0.0043% | $253.16 | $607,584 | -31.51% | |
| 2022-08-11 | Sale | KURIYEL RALF | Senior VP, R&D | 800 0.0015% | $255.20 | $204,160 | -29.78% | |
| 2022-08-04 | Sale | Gebski Christine | See Remarks | 3,357 0.006% | $243.01 | $815,785 | -28.68% |
Insider Historical Profitability
| Hunt Anthony | Chief Executive Officer | 165177 0.3193% | $127.00 | 1 | 26 | |
| DAWES KAREN A | director | 87367 0.15% | $127.00 | 5 | 21 | +21.46% |
| Gebski Christine | See Remarks | 28787 0.0516% | $127.00 | 0 | 5 | |
| KURIYEL RALF | Senior VP, R&D | 24260 0.0418% | $127.00 | 0 | 17 | |
| Bylund James | Chief Operating Officer | 14135 0.0174% | $127.00 | 0 | 3 | |
| Madaus Martin D | director | 4613 0.0029% | $127.00 | 4 | 0 | +5.3% |
| BARTHELEMY NICOLAS | director | 4668 0.0028% | $127.00 | 1 | 7 | |
| BVF PARTNERS L P/IL | 10 percent owner | 2765050 4.9524% | $127.00 | 0 | 2 | |
| RICH ALEXANDER | director | 436500 0.7818% | $127.00 | 0 | 3 | |
| EDDLEMAN ROY T | 10 percent owner | 370000 0.6627% | $127.00 | 0 | 7 | |
| HERLIHY WALTER C | PRESIDENT, CEO | 262430 0.47% | $127.00 | 1 | 15 | +58.42% |
| Goldberg Alfred Lewis | director | 105000 0.1881% | $127.00 | 1 | 0 | +15.65% |
| RUSCHE JAMES R | Senior Vice President | 96849 0.1735% | $127.00 | 2 | 12 | +25.25% |
| COOPER GLENN L MD | director | 59709 0.1069% | $127.00 | 2 | 1 | <0.0001% |
| Benjamin Howard | VP Business Development | 33908 0.0607% | $127.00 | 0 | 8 | |
| Snodgres Jon | Chief Financial Officer | 29325 0.0525% | $127.00 | 0 | 19 | |
| WITT DANIEL P | Senior Vice President | 10000 0.0179% | $127.00 | 1 | 9 | +54.56% |
| Henry Earl Webb | director | 5000 0.009% | $127.00 | 1 | 0 | +1.14% |
| Whitehouse Laura | Vice President | 3457 0.0062% | $127.00 | 0 | 3 | |
| EGLINTON MANNER CARRIE | director | 2106 0.0038% | $127.00 | 1 | 0 | <0.0001% |
| DAY BARBARA BURNIM | 2000 0.0036% | $127.00 | 0 | 4 | ||
| GRIFFITH MICHAEL A | director | 1932 0.0035% | $127.00 | 1 | 1 | +35.58% |
| RYAN THOMAS F JR | director | 1457 0.0026% | $127.00 | 5 | 29 | +4.79% |
| Cox John | director | 923 0.0017% | $127.00 | 0 | 4 | |
| LANDY HAL | Vice President | 0 0% | $127.00 | 0 | 1 | |
| Kelly William J | Chief Accounting Officer | 0 0% | $127.00 | 0 | 2 |
Institutional Investor Ownership
| BlackRock | $1.43B | 13.91 | 7.77M | -1.1% | -$15.91M | 0.03 | |
| The Vanguard Group | $937.99M | 9.13 | 5.1M | +0.43% | +$3.99M | 0.02 | |
| T. Rowe Price | $656.29M | 6.39 | 3.57M | -11.02% | -$81.28M | 0.08 | |
| Fidelity Investments | $415.25M | 4.04 | 2.26M | +19.93% | +$69.02M | 0.03 | |
| State Street | $323.37M | 3.15 | 1.76M | +3.21% | +$10.04M | 0.01 | |
| Macquarie Group | $269.37M | 2.62 | 1.46M | -6.64% | -$19.16M | 0.22 | |
| Sands Capital | $263.51M | 2.56 | 1.43M | -4.19% | -$11.51M | 0.74 | |
| Invesco | $228.57M | 2.22 | 1.24M | +49.16% | +$75.33M | 0.05 | |
| Brown Capital Management | $212.36M | 2.07 | 1.15M | -24.29% | -$68.13M | 3.76 | |
| BNY Mellon | $208.29M | 2.03 | 1.13M | -1.58% | -$3.34M | 0.04 | |
| Artisan Partners | $206.11M | 2.01 | 1.12M | -26.41% | -$73.96M | 0.3 | |
| Wellington Management Company | $203.9M | 1.98 | 1.11M | +0.65% | +$1.31M | 0.04 | |
| Geode Capital Management | $169.22M | 1.65 | 921,419 | +4.35% | +$7.06M | 0.02 | |
| Ameriprise Financial | $164.51M | 1.6 | 894,445 | -9.17% | -$16.62M | 0.05 | |
| AllianceBernstein | $155.18M | 1.51 | 843,746 | +8.59% | +$12.27M | 0.06 | |
| Conestoga Capital Advisors, LLC | $137.49M | 1.34 | 747,555 | +5.33% | +$6.96M | 1.99 | |
| Impax Asset Management Group | $124.51M | 1.22 | 681,020 | -25.39% | -$42.38M | 0.48 | |
| Harding Loevner LP | $121.27M | 1.18 | 659,414 | -7.94% | -$10.46M | 0.75 | |
| William Blair Investment Management | $116.79M | 1.14 | 634,990 | -29.89% | -$49.8M | 0.3 | |
| Champlain Investment Partners, LLC | $105.75M | 1.03 | 574,995 | -37.94% | -$64.64M | 0.61 | |
| Voya Investment Management LLC | $103.51M | 1.01 | 562,803 | -2.7% | -$2.87M | 0.12 | |
| Morgan Stanley | $100.15M | 0.98 | 544,556 | +0.65% | +$648,135.74 | 0.01 | |
| Point72 Asset Management | $99.58M | 0.97 | 541,427 | -9.29% | -$10.2M | 0.19 | |
| Nuveen | $99.03M | 0.96 | 538,430 | -0.5% | -$494,193.04 | 0.03 | |
| American Century Investments | $91.88M | 0.89 | 499,573 | +35.74% | +$24.19M | 0.06 | |
| Stephens Investment Management Group LLC | $86.76M | 0.84 | 471,732 | -3.1% | -$2.77M | 1.16 | |
| Baird Financial Group Inc | $85.62M | 0.83 | 465,503 | -1.1% | -$954,176.96 | 0.18 | |
| Riverbridge Partners | $81.88M | 0.8 | 445,168 | -1.28% | -$1.06M | 1 | |
| Df Dent Co Inc | $80.9M | 0.79 | 439,878 | -9.56% | -$8.55M | 0.99 | |
| T Rowe Price Investment Management Inc | $78.44M | 0.76 | 426,514 | +5.74% | +$4.26M | 0.05 | |
| Alger | $78.4M | 0.76 | 426,292 | -0.51% | -$403,152.64 | 0.39 | |
| Bank of America | $77.76M | 0.76 | 422,785 | +1.65% | +$1.26M | 0.01 | |
| New York State Common Retirement Fund | $75.78M | 0.74 | 412,024 | -3.15% | -$2.46M | 0.1 | |
| Northern Trust | $72.39M | 0.7 | 393,615 | -12.03% | -$9.9M | 0.01 | |
| Parnassus Investments Ca | $71.44M | 0.7 | 388,423 | -29.39% | -$29.74M | 0.15 | |
| Bamco | $70.13M | 0.68 | 381,286 | -14.46% | -$11.86M | 0.19 | |
| Marshall Wace | $66.34M | 0.65 | 360,687 | +12.44% | +$7.34M | 0.09 | |
| Charles Schwab | $64.78M | 0.63 | 352,211 | +2.85% | +$1.79M | 0.02 | |
| Holocene Advisors, LP | $62.97M | 0.61 | 342,388 | +12.29% | +$6.89M | 0.23 | |
| Allspring Global Investments | $61.77M | 0.6 | 335,836 | +21.71% | +$11.02M | 0.1 | |
| Federated Hermes | $59.15M | 0.58 | 321,585 | -18.91% | -$13.79M | 0.14 | |
| Dimensional Fund Advisors | $56.69M | 0.55 | 308,219 | +2.07% | +$1.15M | 0.02 | |
| Bessemer Group Inc | $56.12M | 0.55 | 305,136 | -8.15% | -$4.98M | 0.1 | |
| Franklin Templeton Investments | $52.23M | 0.51 | 283,983 | -0.03% | -$14,529.68 | 0.02 | |
| HERITAGE ASSET MANAGEMENT INC | $50.38M | 0.49 | 275,368 | -1.67% | -$857,669.59 | 0.26 | |
| Ubs Asset Management Americas Inc | $48.57M | 0.47 | 264,063 | +0.38% | +$184,655.68 | 0.02 | |
| First Trust | $46.79M | 0.46 | 254,397 | +694.54% | +$40.9M | 0.05 | |
| 12 West Capital Management LP | $46.5M | 0.45 | 252,849 | -31.34% | -$21.22M | 4.24 | |
| Goldman Sachs | $43.83M | 0.43 | 238,331 | -9.54% | -$4.62M | 0.01 | |
| Legal & General | $43.29M | 0.42 | 235,373 | -1.31% | -$573,094.74 | 0.01 |