Erich Platzer, Director at Aptose Biosciences Inc. (APTO), bought 100,000 shares at $1.37 ($138K) on 2021-12-16, disclosed to the SEC on 2021-12-20.
Open-market purchase of $138k APTO 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 D.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1.37 | 50,000 | $69K | 49.7% |
| 2 | $1.38 | 30,000 | $41K | 30.0% |
| 3 | $1.40 | 20,000 | $28K | 20.3% |
| Total | $1.38 avg | 100,000 | $138K | 100% |
| Filing → |
| APTO | SELL | 2019-03-20 | $44K | — | Filing → |