RGEN · Repligen Corporation Common Stock
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| DAWES KAREN A Director | ▲ Buy | Grant | 92,816 Shares held | 5/14/2026 | View profile |
| Anthony Hunt Chief Executive Officer | ▼ Sell | Tax Withholding | 89,062 Shares held | 3/2/2026 | View profile |
| Loeillot Olivier President and CCO | ▼ Sell | Open Market | 48,369 Shares held | 9/24/2026 | View profile |
| Glenn P. Muir Director | ▲ Buy | Grant | 40,051 Shares held | 5/14/2026 | View profile |
| Snodgres Jon Chief Financial Officer | ▼ Sell | Tax Withholding | 37,381 Shares held | 5/16/2023 | View profile |
| Gebski Christine See Remarks | ▼ Sell | Tax Withholding | 27,419 Shares held | 5/14/2024 | View profile |
| Bylund James Chief Operating Officer | ▲ Buy | Grant | 25,423 Shares held | 3/5/2026 | View profile |
| KURIYEL RALF Senior VP, R&D | ▲ Buy | Grant | 20,062 Shares held | 3/5/2026 | View profile |
| Garland Jason K CFO | ▼ Sell | Tax Withholding | 18,408 Shares held | 9/25/2026 | View profile |
| Douglass Brian Robb CHIEF PRODUCT OFFICER | ▼ Sell | Tax Withholding | 7,985 Shares held | 5/7/2026 | View profile |
| Martin D. Madaus Director | ▲ Buy | Grant | 6,581 Shares held | 5/14/2026 | View profile |
| Hughes Violetta CHIEF ACCOUNTING OFFICER | ▼ Sell | Tax Withholding | 6,331 Shares held | 9/1/2026 | View profile |
| Manner Carrie Eglinton Director | ▲ Buy | Grant | 5,461 Shares held | 5/14/2026 | View profile |
| BARTHELEMY NICOLAS Director | ▲ Buy | Grant | 5,436 Shares held | 5/14/2026 | View profile |
| Mhatre Rohin Director | ▲ Buy | Grant | 5,014 Shares held | 5/14/2026 | View profile |
| Konstantinov Konstantin Director | ▲ Buy | Grant | 3,889 Shares held | 5/14/2026 | View profile |
| Pax Margaret | ▲ Buy | Grant | 3,011 Shares held | 5/14/2026 | View profile |
| RYAN THOMAS F JR Director | ▼ Sell | Open Market | 1,457 Shares held | 3/1/2022 | View profile |
Transaction History
| Garland Jason K | ▼ Sell | Tax Withholding | 421 | $80K | 9/25/2026 |
| Loeillot Olivier | ▲ Buy | Option Exercise | 8,404 | $1.3M | 9/24/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 8,404 | $1.6M | 9/24/2026 |
| Loeillot Olivier | ▲ Buy | Option Exercise | 4,542 | $706K | 9/24/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 4,542 | $863K | 9/24/2026 |
| Loeillot Olivier | ▲ Buy | Option Exercise | 5,426 | $769K | 9/21/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 5,426 | $977K | 9/21/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 3,035 | $504K | 9/4/2026 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 2,842 | $482K | 9/3/2026 |
| Hughes Violetta | ▼ Sell | Tax Withholding | 277 | $47K | 9/1/2026 |
| Loeillot Olivier | ▲ Buy | Option Exercise | 5,426 | $769K | 8/20/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 5,426 | $977K | 8/20/2026 |
| Garland Jason K | ▼ Sell | Open Market | 530 | $80K | 7/16/2026 |
| Garland Jason K | ▼ Sell | Open Market | 733 | $106K | 6/25/2026 |
| Martin D. Madaus | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Konstantinov Konstantin | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Manner Carrie Eglinton | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Mhatre Rohin | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Pax Margaret | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Glenn P. Muir | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| DAWES KAREN A | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| BARTHELEMY NICOLAS | ▲ Buy | Grant | 995 | $0 | 5/14/2026 |
| Glenn P. Muir | ▲ Buy | Option Exercise | 2,434 | $94K | 5/7/2026 |
| Douglass Brian Robb | ▼ Sell | Tax Withholding | 334 | $42K | 5/7/2026 |
| Loeillot Olivier | ▼ Sell | Open Market | 3,832 | $536K | 4/21/2026 |
| Hughes Violetta | ▲ Buy | Grant | 2,466 | $0 | 3/5/2026 |
| KURIYEL RALF | ▲ Buy | Grant | 5,284 | $0 | 3/5/2026 |
| Loeillot Olivier | ▲ Buy | Grant | 24,134 | $0 | 3/5/2026 |
| Bylund James | ▲ Buy | Grant | 7,751 | $0 | 3/5/2026 |
| Garland Jason K | ▲ Buy | Grant | 7,751 | $0 | 3/5/2026 |
| Bylund James | ▲ Buy | Grant | 125 | $0 | 3/4/2026 |
| Bylund James | ▼ Sell | Tax Withholding | 62 | $8K | 3/4/2026 |
| KURIYEL RALF | ▲ Buy | Grant | 125 | $0 | 3/4/2026 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 42 | $5K | 3/4/2026 |
| Bylund James | ▼ Sell | Tax Withholding | 2,433 | $304K | 3/2/2026 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 1,610 | $201K | 3/2/2026 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 9,897 | $1.2M | 3/2/2026 |
| Garland Jason K | ▼ Sell | Tax Withholding | 715 | $89K | 3/2/2026 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 923 | $115K | 3/2/2026 |
| Douglass Brian Robb | ▼ Sell | Tax Withholding | 221 | $28K | 3/2/2026 |
| Bylund James | ▼ Sell | Tax Withholding | 1,478 | $190K | 2/27/2026 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 344 | $44K | 2/27/2026 |
| Garland Jason K | ▼ Sell | Tax Withholding | 327 | $42K | 2/27/2026 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 444 | $57K | 2/27/2026 |
| Douglass Brian Robb | ▲ Buy | Grant | 2,288 | $0 | 12/31/2025 |
| DAWES KAREN A | ▼ Sell | Open Market | 275 | $44K | 12/17/2025 |
| Glenn P. Muir | ▲ Buy | Option Exercise | 3,366 | $88K | 12/16/2025 |
| Anthony Hunt | ▼ Sell | Other | 2,000 | — | 12/4/2025 |
| Loeillot Olivier | ▼ Sell | Open Market | 7,041 | $1.2M | 11/25/2025 |
| Bylund James | ▼ Sell | Open Market | 2,191 | $331K | 11/18/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 1,784 | $269K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,100 | $320K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,923 | $448K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,500 | $386K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 3,000 | $466K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 5,737 | $896K | 11/13/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 1,956 | $307K | 11/13/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 2,952 | $100K | 11/13/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 25,000 | $847K | 11/12/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 3,741 | $580K | 11/12/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 4,740 | $739K | 11/12/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 4,959 | $777K | 11/12/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 11,096 | $1.8M | 11/12/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 464 | $74K | 11/12/2025 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 1,248 | $181K | 10/2/2025 |
| Garland Jason K | ▼ Sell | Tax Withholding | 412 | $50K | 9/25/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 20,000 | $677K | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 96 | $11K | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 1,108 | $131K | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 3,262 | $390K | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 14,882 | $1.8M | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 7,584 | $921K | 9/10/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,179 | $266K | 9/10/2025 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 2,506 | $291K | 9/3/2025 |
| Hughes Violetta | ▲ Buy | Grant | 4,142 | $0 | 9/2/2025 |
| Martin D. Madaus | ▲ Buy | Open Market | 1,800 | $202K | 8/8/2025 |
| BARTHELEMY NICOLAS | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Konstantinov Konstantin | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Glenn P. Muir | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Manner Carrie Eglinton | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| DAWES KAREN A | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Martin D. Madaus | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Pax Margaret | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Mhatre Rohin | ▲ Buy | Grant | 973 | $0 | 5/15/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,043 | $251K | 5/15/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 17,596 | $2.2M | 5/15/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 6,533 | $812K | 5/15/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 268 | $34K | 5/15/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 7 | $889 | 5/15/2025 |
| Bylund James | ▼ Sell | Tax Withholding | 454 | $58K | 4/1/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 5,000 | $169K | 3/17/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 21,756 | $1.3M | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 60 | $9K | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 100 | $15K | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,518 | $380K | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 6,176 | $939K | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 15,619 | $2.4M | 3/17/2025 |
| Anthony Hunt | ▼ Sell | Open Market | 2,283 | $351K | 3/17/2025 |
| Pax Margaret | ▲ Buy | Open Market | 250 | $38K | 3/17/2025 |
| Bylund James | ▲ Buy | Grant | 381 | $0 | 3/13/2025 |
| Bylund James | ▼ Sell | Tax Withholding | 175 | $25K | 3/13/2025 |
| Garland Jason K | ▲ Buy | Grant | 6,435 | $0 | 3/3/2025 |
| KURIYEL RALF | ▲ Buy | Grant | 4,826 | $0 | 3/3/2025 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 386 | $60K | 3/3/2025 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 10,142 | $1.6M | 3/3/2025 |
| Bylund James | ▲ Buy | Grant | 6,435 | $0 | 3/3/2025 |
| Bylund James | ▼ Sell | Tax Withholding | 1,239 | $193K | 3/3/2025 |
| Loeillot Olivier | ▲ Buy | Grant | 14,480 | $0 | 3/3/2025 |
| Garland Jason K | ▼ Sell | Tax Withholding | 316 | $49K | 2/27/2025 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 343 | $54K | 2/27/2025 |
| Bylund James | ▼ Sell | Tax Withholding | 1,285 | $201K | 2/27/2025 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 391 | $61K | 2/27/2025 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 2,825 | $442K | 2/27/2025 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 275 | $45K | 2/24/2025 |
| Bylund James | ▼ Sell | Tax Withholding | 543 | $89K | 2/24/2025 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 2,380 | $392K | 2/24/2025 |
| Anthony Hunt | ▲ Buy | Option Exercise | 11,808 | $400K | 12/5/2024 |
| Anthony Hunt | ▲ Buy | Option Exercise | 24,246 | $821K | 11/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 24,246 | $3.4M | 11/21/2024 |
| Garland Jason K | ▼ Sell | Tax Withholding | 367 | $45K | 11/20/2024 |
| Loeillot Olivier | ▼ Sell | Tax Withholding | 861 | $106K | 11/20/2024 |
| Glenn P. Muir | ▲ Buy | Option Exercise | 19,000 | $690K | 11/19/2024 |
| Anthony Hunt | ▲ Buy | Option Exercise | 10,000 | $339K | 9/10/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 1,495 | $215K | 9/10/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 9,369 | $1.4M | 9/10/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 10,723 | $1.6M | 9/10/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 604 | $89K | 9/10/2024 |
| Loeillot Olivier | ▲ Buy | Grant | 17,631 | $0 | 9/3/2024 |
| Anthony Hunt | ▼ Sell | Other | 13,146 | $0 | 9/3/2024 |
| KURIYEL RALF | ▼ Sell | Open Market | 6,973 | $1.1M | 8/2/2024 |
| KURIYEL RALF | ▲ Buy | Option Exercise | 175 | $15K | 8/2/2024 |
| KURIYEL RALF | ▼ Sell | Open Market | 175 | $28K | 8/2/2024 |
| KURIYEL RALF | ▼ Sell | Open Market | 4,465 | $740K | 8/1/2024 |
| Glenn P. Muir | ▲ Buy | Option Exercise | 5,000 | $181K | 8/1/2024 |
| Martin D. Madaus | ▲ Buy | Open Market | 915 | $114K | 6/14/2024 |
| Martin D. Madaus | ▲ Buy | Open Market | 700 | $88K | 6/14/2024 |
| BARTHELEMY NICOLAS | ▲ Buy | Open Market | 1,200 | $151K | 6/14/2024 |
| Anthony Hunt | ▲ Buy | Open Market | 2,000 | $248K | 6/14/2024 |
| DAWES KAREN A | ▲ Buy | Option Exercise | 2,953 | $200K | 6/14/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 4,274 | $711K | 5/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 4,008 | $670K | 5/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 3,933 | $662K | 5/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 2,963 | $502K | 5/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 3,925 | $667K | 5/21/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 969 | $166K | 5/21/2024 |
| Martin D. Madaus | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| Mhatre Rohin | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| Pax Margaret | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| Konstantinov Konstantin | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| Manner Carrie Eglinton | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| BARTHELEMY NICOLAS | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| DAWES KAREN A | ▲ Buy | Grant | 803 | $0 | 5/16/2024 |
| Glenn P. Muir | ▲ Buy | Grant | 701 | $0 | 5/16/2024 |
| Gebski Christine | ▼ Sell | Tax Withholding | 334 | $55K | 5/14/2024 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 534 | $87K | 5/14/2024 |
| Bylund James | ▼ Sell | Tax Withholding | 444 | $81K | 4/2/2024 |
| Anthony Hunt | ▼ Sell | Gift | 2,000 | $0 | 3/18/2024 |
| Pax Margaret | ▲ Buy | Grant | 92 | $0 | 3/18/2024 |
| KURIYEL RALF | ▲ Buy | Option Exercise | 1,271 | $109K | 3/11/2024 |
| KURIYEL RALF | ▼ Sell | Open Market | 3,517 | $681K | 3/11/2024 |
| Anthony Hunt | ▲ Buy | Option Exercise | 1 | $17 | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 3,377 | $660K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 6,228 | $1.2M | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 1,666 | $329K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 1,347 | $267K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 1,822 | $364K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 1,305 | $262K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 806 | $163K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Open Market | 156 | $32K | 3/8/2024 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 2,867 | $561K | 3/7/2024 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 386 | $76K | 3/7/2024 |
| Bylund James | ▼ Sell | Tax Withholding | 1,206 | $236K | 3/7/2024 |
| Gebski Christine | ▼ Sell | Tax Withholding | 386 | $76K | 3/7/2024 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 7,275 | $1.4M | 3/5/2024 |
| Bylund James | ▼ Sell | Tax Withholding | 22 | $4K | 3/5/2024 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 1,111 | $216K | 3/4/2024 |
| Gebski Christine | ▼ Sell | Tax Withholding | 131 | $25K | 3/4/2024 |
| Bylund James | ▼ Sell | Tax Withholding | 197 | $38K | 3/4/2024 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 135 | $26K | 3/4/2024 |
| Gebski Christine | ▼ Sell | Tax Withholding | 461 | $89K | 3/4/2024 |
| Bylund James | ▲ Buy | Grant | 50 | $0 | 3/1/2024 |
| KURIYEL RALF | ▼ Sell | Tax Withholding | 453 | $87K | 3/1/2024 |
| Anthony Hunt | ▼ Sell | Tax Withholding | 3,322 | $637K | 3/1/2024 |
| Gebski Christine | ▼ Sell | Tax Withholding | 447 | $86K | 3/1/2024 |
| Bylund James | ▼ Sell | Tax Withholding | 820 | $157K | 3/1/2024 |
| KURIYEL RALF | ▲ Buy | Grant | 404 | $0 | 2/29/2024 |
| Anthony Hunt | ▲ Buy | Grant | 2,504 | $0 | 2/29/2024 |
| Gebski Christine | ▲ Buy | Grant | 391 | $0 | 2/29/2024 |
| Bylund James | ▲ Buy | Grant | 404 | $0 | 2/29/2024 |
| Bylund James | ▲ Buy | Grant | 8,691 | $0 | 2/27/2024 |
| Anthony Hunt | ▲ Buy | Grant | 19,719 | $0 | 2/27/2024 |
| KURIYEL RALF | ▲ Buy | Grant | 3,520 | $0 | 2/27/2024 |
| Garland Jason K | ▲ Buy | Grant | 2,540 | $0 | 2/27/2024 |
| Loeillot Olivier | ▲ Buy | Grant | 2,880 | $0 | 2/27/2024 |
| DAWES KAREN A | ▲ Buy | Option Exercise | 4,626 | $195K | 2/27/2024 |
| DAWES KAREN A | ▼ Sell | Open Market | 1,000 | $193K | 2/27/2024 |
| Bylund James | ▲ Buy | Option Exercise | 940 | $89K | 2/23/2024 |
| Bylund James | ▼ Sell | Open Market | 4,373 | $866K | 2/23/2024 |
| Anthony Hunt | ▼ Sell | Gift | 1,000 | $0 | 11/14/2023 |
| Gebski Christine | ▼ Sell | Open Market | 3,788 | $557K | 11/10/2023 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 6, 2026
Repligen Completes BioLife Solutions Acquisition
Repligen has finalized its acquisition of BioLife Solutions, a move that follows shareholder approval of the merger. This transaction expands Repligen's portfolio in the biopharmaceutical sector. The stock recently reached a 52-week high, reflecting market interest in the company's growth strategy.
Repligen Completes BioLife Solutions Acquisition. Repligen has finalized its acquisition of BioLife Solutions, a move that follows shareholder approval of the merger. This transaction expands Repligen's portfolio in the biopharmaceutical sector. The stock recently reached a 52-week high, reflecting market interest in the company's growth strategy.