Skip to contentSEIDENBERG BETH C — Progyny, Inc. insider: 291 transactions · InsiderLensSEIDENBERG BETH C
- Director at ACELYRIN, Inc. · on record since May 11, 2023
- 10% owner at ACELYRIN, Inc. · on record since May 11, 2023
- Director at BIOCRYST PHARMACEUTICALS INC · on record since May 18, 2006
- 10% owner at Kyverna Therapeutics, Inc. · on record since Feb 14, 2024
- Director at VERAMARK TECHNOLOGIES INC · on record since May 26, 2026
- Director at TESARO, Inc. · on record since Jun 27, 2012
- Director at Epizyme, Inc. · on record since May 30, 2013
- 10% owner at Epizyme, Inc. · on record since May 30, 2013
- Sr VP, Dev & Chief Medical Ofc at AMGEN INC · on record since Jan 15, 2004
- Director at Kyverna Therapeutics, Inc. · on record since May 29, 2026
- Director at Sagimet Biosciences Inc. · on record since Jun 15, 2026
- Director at Atara Biotherapeutics, Inc. · on record since Oct 23, 2014
- 10% owner at Atara Biotherapeutics, Inc. · on record since Oct 23, 2014
- Director at ARMO BioSciences, Inc. · on record since Jan 30, 2018
- 10% owner at ARMO BioSciences, Inc. · on record since Jan 30, 2018
- Director at Progyny, Inc. · on record since Oct 30, 2019
Insider trading activity of SEIDENBERG BETH C
- Transactions on record
- 291
- since Jan 15, 2004
- Open-market buys
- 30
- $83.7M
- Open-market sells
- 11
- $16M
- Companies traded
- 11
- last filing Jun 15, 2026
Figures computed from official regulatory filings — methodology.
Companies where SEIDENBERG BETH C has traded
- Sagimet Biosciences Inc.19 tx · $750K · Jun 15, 2026
- Kyverna Therapeutics, Inc.11 tx · $1M · May 29, 2026
- VERAMARK TECHNOLOGIES INC36 tx · $5.7M · May 26, 2026
- ACELYRIN, Inc.14 tx · $23.6M · May 23, 2025
- Progyny, Inc.84 tx · $5.8M · May 28, 2024
- Atara Biotherapeutics, Inc.37 tx · Jun 2, 2023
- Epizyme, Inc.16 tx · $10.8M · Jul 2, 2019
- TESARO, Inc.51 tx · $219.7M · Jan 24, 2019
- ARMO BioSciences, Inc.10 tx · $213.5M · Jun 22, 2018
Track record of SEIDENBERG BETH C
Statistical track record
Free- Open-market buys
- 30
- Last buy
- Dec 18, 2025
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of SEIDENBERG BETH C
Co-insiders of SEIDENBERG BETH C
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
8 tx · $455.8K · May 17, 2010
SANDELL SCOTT DEpizyme, Inc. +2
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 15, 2026 | AwardD | 39,567 | 0.00 USD | $0 | SEC |
| May 29, 2026 | AwardD | 20,582 | 0.00 USD | $0 | SEC |
| May 29, 2026 | Award | 5,093 | 0.00 USD | $0 | SEC |
| May 26, 2026 | AwardD | 17,084 | 0.00 USD | $0 | SEC |
| Dec 22, 2025 | Buy | 133,333 | 7.50 USD | $1M | SEC |
| Jun 10, 2025 | AwardD | 32,250 | 0.00 USD | $0 | SEC |
| Jun 10, 2025 | AwardD | 28,522 | 0.00 USD | $0 | SEC |
| Jun 2, 2025 | AwardD | 65,351 | 0.00 USD | $0 | SEC |
| Jun 2, 2025 | Award | 16,634 | 0.00 USD | $0 | SEC |
| May 23, 2025 | OtherD | -23,243 | — | — | SEC |
| May 23, 2025 | Other | -60,000 | — | — | SEC |
| May 23, 2025 | Other | -9,790,729 | — | — | SEC |
| May 23, 2025 | OtherD | -92,158 | — | — | SEC |
| May 16, 2025 | AwardD | 14,000 | 0.00 USD | $0 | SEC |
| Oct 30, 2024 | Sell | -14,798 | 48.01 USD | $710.5K | SEC |
| Oct 30, 2024 | Sell | -202 | 49.54 USD | $10K | SEC |
| Sep 20, 2024 | Sell | -1,476 | 42.00 USD | $62K | SEC |
| Sep 20, 2024 | Sell | -1,177 | 42.01 USD | $49.4K | SEC |
| Sep 20, 2024 | Sell | -13,823 | 42.31 USD | $584.9K | SEC |
| Jun 11, 2024 | AwardD | 92,158 | 0.00 USD | $0 | SEC |
| Jun 7, 2024 | AwardD | 51,459 | 0.00 USD | $0 | SEC |
| May 28, 2024 | Award | 7,206 | 0.00 USD | $0 | SEC |
| May 28, 2024 | AwardD | 26,926 | 0.00 USD | $0 | SEC |
| May 17, 2024 | AwardD | 14,000 | 0.00 USD | $0 | SEC |
| Feb 14, 2024 | OtherD | -3,349,538 | 0.00 USD | $0 | SEC |