James N. Topper, Director, 10% Owner at Sierra Oncology, Inc. (SRRA), bought 11,851,852 shares at $1.35 ($16.0M) on 2017-02-14, disclosed to the SEC on 2017-02-16.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.35 | 5,925,926 | $8.0M | 50.0% |
| 2 | $1.35 | 5,925,926 | $8.0M | 50.0% |
| Total | $1.35 avg | 11,851,852 | $16.0M | 100% |
| Filing → |
| NAMS | BUY | 2025-08-13 | $11K | — | Filing → |
| NAMS | BUY | 2025-06-26 | $69K | — | Filing → |
| NAMS | BUY | 2025-06-18 | $167K | — | Filing → |