Franklin M. Berger, Director at PROTEOSTASIS THERAPEUTICS, INC. (PTI), bought 40,000 shares at $10.99 ($447K) on 2016-12-15, disclosed to the SEC on 2016-12-19.
Open-market purchase of $447k PTI by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $10.99 | 26,000 | $286K | 63.9% |
| 2 | $11.52 | 14,000 | $161K | 36.1% |
| Total | $11.18 avg | 40,000 | $447K | 100% |
| Filing → |
| EPIX | BUY | 2023-11-22 | $267K | — | Filing → |
| EPIX | BUY | 2023-11-16 | $518K | — | Filing → |
| EPIX | SELL | 2023-01-05 | $1.0M | — | Filing → |