James E. Douglas III, 10% Owner at WESTPORT INNOVATIONS INC (WPRT), bought 500,000 shares at $44.38 ($22.3M) on 2012-03-14, disclosed to the SEC on 2012-03-15.
Open-market purchase of $22.3M WPRT by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $43.29 | 2,504 | $108K | 0.5% |
| 2 | $43.29 | 7,763 | $336K | 1.5% |
| 3 | $43.29 | 10,543 | $456K | 2.0% |
| 4 | $43.29 | 14,190 | $614K | 2.8% |
| 5 | $44.76 | 23,804 | $1.1M | 4.8% |
| 6 | $44.76 | 73,792 |
| $3.3M |
| 14.8% |
| 7 | $44.76 | 100,215 | $4.5M | 20.1% |
| 8 | $44.76 | 134,889 | $6.0M | 27.1% |
| 9 | $44.38 | 13,230 | $587K | 2.6% |
| 10 | $44.38 | 22,491 | $998K | 4.5% |
| 11 | $44.38 | 43,659 | $1.9M | 8.7% |
| 12 | $44.38 | 52,920 | $2.3M | 10.5% |
| Total | $44.56 avg | 500,000 | $22.3M | 100% |
| Filing → |
| AMSC | BUY | 2011-03-16 | $7.0M | — | Filing → |
| AMSC | BUY | 2010-12-21 | $3.2M | — | Filing → |
| AMSC | BUY | 2010-08-19 | $5.7M | — | Filing → |