Wiesenthal Robert S insider trades
Wiesenthal Robert S has filed 32 Form 4s with the SEC that we hold, for Strata Critical Medical, Inc. (SRTA) (Director) and TripAdvisor, Inc. (TRIP) (Director). Across all of them we count 0 purchases worth $0 and 18 sales worth $8.9M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 2,100,000 shares of Strata Critical Medical, Inc. worth $6.8M, dated 2024-11-14. The first filing on our record is dated 2021-08-17 and the latest 2026-08-03.
Strata Critical Medical, Inc. (SRTA)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-10-06 | S, sale reported on Form 4 | 9,454 | $37.5K | 2022-10-11 |
| 2023-01-09 | S, sale reported on Form 4 | 10,874 | $37.7K | 2023-01-12 |
| 2023-04-05 | S, sale reported on Form 4 | 32,514 | $96.9K | 2023-04-11 |
| 2023-04-06 | S, sale reported on Form 4 | 25,047 | $73.1K | 2023-04-11 |
| 2023-04-10 | S, sale reported on Form 4 | 49,336 | $139.6K | 2023-04-11 |
| 2023-07-06 | S, sale reported on Form 4 | 62,954 | $240.5K | 2023-07-10 |
| 2023-07-06 | S, sale reported on Form 4 | 63,652 | $238.7K | 2023-07-10 |
| 2023-07-06 | S, sale reported on Form 4 | 81,326 | $315.5K | 2023-07-10 |
| 2023-10-04 | S, sale reported on Form 4 | 34,552 | $86.7K | 2023-10-06 |
| 2023-10-05 | S, sale reported on Form 4 | 28,892 | $69.6K | 2023-10-06 |
| 2023-10-06 | S, sale reported on Form 4 | 37,307 | $89.5K | 2023-10-06 |
| 2023-12-13 | S, sale reported on Form 4 | 37,365 | $110.2K | 2023-12-15 |
| 2023-12-14 | S, sale reported on Form 4 | 41,396 | $132.5K | 2023-12-15 |
| 2023-12-15 | S, sale reported on Form 4 | 17,494 | $56.3K | 2023-12-15 |
| 2024-03-13 | S, sale reported on Form 4 | 68,387 | $188.7K | 2024-03-15 |
| 2024-03-14 | S, sale reported on Form 4 | 66,932 | $175.4K | 2024-03-15 |
| 2024-04-03 | S, sale reported on Form 4 | 25,418 | $83.4K | 2024-04-05 |
| 2024-11-14 | S, sale reported on Form 4 | 2,100,000 | $6.8M | 2024-11-15 |
TripAdvisor, Inc. (TRIP)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1211785) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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