Seidenberg Beth C
- SEC CIK
- 0001184592
In the past year, 1 open-market purchase filing worth $1.00M and no sales.
Current role at each company
- LTGO Latigo Biotherapeutics, Inc.Director, 10% Owneras of Aug 10, 2026
- SGMT Sagimet Biosciences Inc.Directoras of Jun 15, 2026
- KYTX Kyverna Therapeutics, Inc.Directoras of May 29, 2026
- VERA Vera Therapeutics, Inc.Directoras of May 26, 2026
- SLRN ACELYRIN, Inc.Directoras of May 23, 2025
Show 2 more companies
- PGNY Progyny, Inc.Directoras of May 28, 2024
- ATRA Atara Biotherapeutics, Inc.Directoras of Jun 2, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $1.00M
- 1 filing
- Sold
- –
- 0 filings
- Net
- +$1.00M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Seidenberg Beth C as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
KYTX Kyverna Therapeutics, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 22, 2025 (view filing) | Dec 18 | 4 days | Seidenberg Beth CDirector | PPurchase | +133.3K | $7.50 | +$1.00M | +18.1%869.3K after |
VERA Vera Therapeutics, Inc.
Director15 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 30, 2024 (view filing) | Oct 28 | 2 days | Seidenberg Beth CDirector | SSaleClass A Common Stock | −15.0K | $48.03 | −$720.5K | −10.2%131.6K after | 2 lots10b5-1 |
| Sep 20, 2024 (view filing) | Sep 18-19 | 2 days | Seidenberg Beth CDirector | SSaleClass A Common Stock | −15.0K | $42.29 | −$634.3K | −9.3%146.6K after | 2 lots10b5-1 |
| Sep 20, 2024 (view filing) | Sep 18 | 2 days | Seidenberg Beth CDirector | SSaleClass A Common Stock | −1.48K | $42.00 | −$62.0K | −26.9%4.01K after | 10b5-1 |
| Apr 3, 2023 (view filing) | Mar 30 | 4 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +2.30K | $7.24 | +$16.7K | +0.1%1.95M after | |
| Mar 30, 2023 (view filing) | Mar 28 | 2 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +23.9K | $7.24 | +$173.1K | +1.2%1.95M after | |
| Mar 28, 2023 (view filing) | Mar 24-27 | 4 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +3.47K | $7.24 | +$25.1K | +0.2%1.92M after | 2 lots |
| Mar 21, 2023 (view filing) | Mar 17-20 | 4 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +89.3K | $7.14 | +$637.2K | +4.9%1.92M after | 2 lots |
| Mar 17, 2023 (view filing) | Mar 15-16 | 2 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +92.9K | $7.10 | +$659.9K | +5.3%1.83M after | 2 lots |
| Mar 14, 2023 (view filing) | Mar 10 | 4 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +48.0K | $7.16 | +$343.7K | +2.8%1.74M after | |
| Mar 7, 2023 (view filing) | Mar 3 | 4 days | Seidenberg Beth CDirector | PPurchaseClass A Common Stock | +1.00K | $7.25 | +$7.25K | +0.1%1.69M after |
SGMT Sagimet Biosciences Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 20, 2023 (view filing) | Jul 18 | 2 days | Seidenberg Beth CDirector | PPurchaseSeries A Common Stock | +46.9K | $16.00 | +$750.0K | New position46.9K after |
SLRN ACELYRIN, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2023 (view filing) | May 9 | 2 days | Seidenberg Beth CDirector, 10% Owner | PPurchase | +1.25M | $18.00 | +$22.5M | +14.6%9.79M after | |
| May 11, 2023 (view filing) | May 9 | 2 days | Seidenberg Beth CDirector, 10% Owner | PPurchase | +60.0K | $18.00 | +$1.08M | New position60.0K after |