- Corporate Officers - S
- Seidenberg Beth C
Insider Trading History of Seidenberg Beth C
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Seidenberg Beth C since 2016.
This trader's CIK number is 1184592.
At the time of last reporting, Seidenberg Beth C was the Officer of Kyverna Therapeutics, Inc.. (stock ticker symbol KYTX).
Also see all insider trading activities at Kyverna Therapeutics, Inc..
Note that in the past
SEIDENBERG BETH C also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Vera Therapeutics, Inc. (VERA) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | VERA | 0 | $0 | 31,476 | $1,427,876 | 0 | $0 |
| 2023 | VERA | 513,002 | $3,657,655 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tesaro, Inc. (TSRO) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | TSRO | 1,420,858 | $49,999,993 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Acelyrin, Inc. (SLRN) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SLRN | 1,310,000 | $23,580,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Kyverna Therapeutics, Inc. (KYTX) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | KYTX | 133,333 | $999,997 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Progyny, Inc. (PGNY) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | PGNY | 0 | $0 | 18,127 | $912,150 | 0 | $0 |
| 2020 | PGNY | 0 | $0 | 76,923 | $2,884,608 | 0 | $0 |
| 2019 | PGNY | 76,923 | $999,999 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Sagimet Biosciences Inc. (SGMT) by Seidenberg Beth C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | SGMT | 46,875 | $750,000 | 0 | $0 | 0 | $0 |
Insider trading activities at 6 companies by Seidenberg Beth C:
1. Vera Therapeutics, Inc. (VERA)
2. Tesaro, Inc. (TSRO)
3. Acelyrin, Inc. (SLRN)
4. Kyverna Therapeutics, Inc. (KYTX)
5. Progyny, Inc. (PGNY)
6. Sagimet Biosciences Inc. (SGMT)
Table 1. Insider trading of Vera Therapeutics, Inc. (VERA) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-10-28 | VERA | Sale | 15,000 | 48.78 | 731,640 |
| 2024-09-18 | VERA | Sale | 2,653 | 42.01 | 111,441 |
| 2024-09-19 | VERA | Sale | 13,823 | 42.31 | 584,795 |
| 2023-03-30 | VERA | Buy | 2,300 | 7.24 | 16,652 |
| 2023-03-28 | VERA | Buy | 23,908 | 7.24 | 173,189 |
| 2023-03-24 | VERA | Buy | 1,833 | 7.24 | 13,272 |
| 2023-03-27 | VERA | Buy | 1,633 | 7.25 | 11,831 |
| 2023-03-20 | VERA | Buy | 15,252 | 7.21 | 110,027 |
| 2023-03-17 | VERA | Buy | 74,045 | 7.12 | 526,904 |
| 2023-03-10 | VERA | Buy | 48,003 | 7.16 | 343,509 |
| 2023-03-03 | VERA | Buy | 1,000 | 7.25 | 7,245 |
| 2023-03-01 | VERA | Buy | 100 | 7.25 | 725 |
| 2023-03-02 | VERA | Buy | 23,378 | 7.24 | 169,326 |
| 2023-02-13 | VERA | Buy | 10,072 | 7.20 | 72,488 |
| 2023-02-09 | VERA | Buy | 400 | 7.25 | 2,900 |
| 2023-02-08 | VERA | Buy | 45,357 | 7.22 | 327,477 |
| 2023-02-07 | VERA | Buy | 87,956 | 7.08 | 622,728 |
| 2023-02-06 | VERA | Buy | 131,602 | 7.03 | 925,162 |
| 2023-02-03 | VERA | Buy | 46,163 | 7.24 | 334,220 |
Table 2. Insider trading of Tesaro, Inc. (TSRO) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-03-18 | TSRO | Buy | 1,420,858 | 35.19 | 49,999,993 |
Table 3. Insider trading of Acelyrin, Inc. (SLRN) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-05-09 | SLRN | Buy | 1,310,000 | 18.00 | 23,580,000 |
Table 4. Insider trading of Kyverna Therapeutics, Inc. (KYTX) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-12-18 | KYTX | Buy | 133,333 | 7.50 | 999,997 |
Table 5. Insider trading of Progyny, Inc. (PGNY) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-04-15 | PGNY | Sale | 18,127 | 50.32 | 912,150 |
| 2020-12-14 | PGNY | Sale | 38,461 | 42.00 | 1,615,362 |
| 2020-11-27 | PGNY | Sale | 19,231 | 36.00 | 692,316 |
| 2020-08-11 | PGNY | Sale | 19,231 | 30.00 | 576,930 |
| 2019-10-29 | PGNY | Buy | 76,923 | 13.00 | 999,999 |
Table 6. Insider trading of Sagimet Biosciences Inc. (SGMT) by Seidenberg Beth C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-07-18 | SGMT | Buy | 46,875 | 16.00 | 750,000 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Seidenberg Beth C
(Officer of Kyverna Therapeutics, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.