Figures computed from official regulatory filings — .
Analysttarget 189.7 USD (+4%) · consensus 4.5/5 · 18 buy · 4 hold · 0 sell
Ownershipinsiders 5.24% · institutions 119.47% · short 11.9% of float
In USD · as of Oct 5, 2026
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Repligen Corporation, a life sciences company, develops and commercializes bioprocessing technologies and systems in North America, Europe, the Asia Pacific, and internationally. The company's products include hollow fiber consumables, KRM chromatography system, resins for new modalities, PATsmart MAVERICK and PATsmart MAVEN for real-time monitoring and control of critical bioprocess parameters, PATsmart REBEL, an at-line cell culture media analyzer; and PATsmart ZipChip, a high-resolution sample separations device, PATsmart SoloVPE slope spectroscopy system, and SoloVPE PLUS System. It offers Protien A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company also provides chromatography products, including OPUS pre-packed chromatography columns, which are used in the purification and quality control of biological drugs, as well as ELISA test kits. In addition, it offers filtration products, such as XCell ATF Cell Retention 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, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems. The company offers its products under the OPUS, XCell, XCell ATF, TFDF, KrosFlo, SIUS, ProConnex, Spectra/Por, NGL-Impact, SoloVPE, FlowVPE, RPM, XO, Metenova MixOne, and AVIPure and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has a collaboration agreement with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
45 buys514 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Loeillot Olivier | Other | $226.8K | SEC |
| Garland Jason K | Other | $79.9K | SEC |
| Loeillot Olivier | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Loeillot Olivier | Exercise | $1.3M | Unusual size | SEC |
| Loeillot Olivier | Sell | $863K | SEC |
| Loeillot Olivier | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Loeillot Olivier | Exercise | $705.7K | SEC |
| Loeillot Olivier | Sell | $1.6M | Unusual size | SEC |
| Loeillot Olivier | Sell | $976.7K | SEC |
| Loeillot Olivier | Exercise | $769.4K | SEC |
| Loeillot Olivier | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Loeillot Olivier | Sell | $503.5K | SEC |
| Loeillot Olivier | Other | $482K | Unusual size | SEC |
| Hughes Violetta | Other | $47.1K | SEC |
| Hughes Violetta | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Loeillot Olivier | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Loeillot Olivier | Exercise | $769.4K | SEC |
| Loeillot Olivier | Sell | $976.7K | SEC |
| Garland Jason K | Sell | $79.5K | SEC |
| Garland Jason K | Sell | $106.3K | SEC |
| Madaus Martin Dtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| EGLINTON MANNER CARRIEtrack record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BARTHELEMY NICOLAStrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mhatre Rohin | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Konstantinov Konstantin | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |