The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Goldstein David M since 2019.
This trader's CIK number is 1751719.
At the time of last reporting, Goldstein David M was the Chief Scientific Officer of Alumis Inc.. (stock ticker symbol ALMS).
Also see all insider trading activities at Alumis Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | ALMS | 0 | $0 | 2,596 | $68,456 | 0 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2020 | PRNB | 0 | $0 | 18,000 | $1,318,416 | 18,000 | $54,510 |
| 2019 | PRNB | 0 | $0 | 10,000 | $323,910 | 10,000 | $18,620 |
2. Principia Biopharma Inc. (PRNB)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-08-03 | ALMS | Sale | 2,596 | 26.37 | 68,456 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2020-08-10 | PRNB | Sale | 6,000 | 89.24 | 535,440 |
| 2020-08-10 | PRNB | Option Ex | 6,000 | 3.09 | 18,534 |
| 2020-05-07 | PRNB | Sale | 6,000 | 60.18 | 361,062 |
| 2020-05-07 | PRNB | Option Ex | 6,000 | 3.00 | 17,988 |
| 2020-02-10 | PRNB | Sale | 6,000 | 70.32 | 421,914 |
| 2020-02-10 | PRNB | Option Ex | 6,000 | 3.00 | 17,988 |
| 2019-11-07 | PRNB | Sale | 10,000 | 32.39 | 323,910 |
| 2019-11-07 | PRNB | Option Ex | 10,000 | 1.86 | 18,620 |
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 Goldstein David M (Chief Scientific Officer of Alumis Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.