Michael Thomas Heffernan is Director at COLLEGIUM PHARMACEUTICAL, INC (COLL). They have made 24 open-market trades across 2 companies since 2017, most recently 2026-09-15.
CIK 0001448914
1 open-market purchase totalling $25K since 2019, against 23 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TRVI | SELL · 10b5-1 | 2026-09-15 | 2026-09-17 | $15.09 | $594K | -5.6% | -22.0% | — |
| COLL | SELL | 2022-12-22 | 2022-12-27 | $23.65 | $1.1M | +19.1% | +21.5% | +3.1% |
| COLL | SELL | 2022-12-19 | 2022-12-21 | $23.09 | $2.8M | +18.4% | +21.0% | +9.2% |
| COLL | SELL | 2022-12-12 | 2022-12-14 | $22.14 | $8.4M | +4.8% | +27.9% | +8.4% |
| COLL | SELL | 2021-03-15 | 2021-03-17 | $25.30 | $2.5M | -8.8% | -8.1% | -9.4% |
| COLL | SELL | 2020-08-11 | 2020-08-12 | $19.13 | $500K | +1.0% | -0.6% | +10.7% |
| COLL | SELL | 2020-05-13 | 2020-05-15 | $21.65 | $804K | +1.7% | -20.4% | -21.4% |
| COLL | SELL | 2020-01-21 | 2020-01-22 | $21.89 | $12.2M | -2.9% | +11.3% | -11.7% |
| COLL | SELL | 2019-07-15 | 2019-07-17 | $11.26 | $282K | -1.8% | +6.0% | +10.7% |
| COLL | SELL | 2019-06-17 | 2019-06-19 | $11.34 | $544K | +8.2% | -15.2% | -0.5% |
| COLL | SELL | 2019-05-15 | 2019-05-17 | $12.84 | $642K | -7.1% | -10.4% | -12.1% |
| TRVI | BUY | 2019-05-09 | 2019-05-13 | $10.00 | $25K | +12.5% | +3.2% | -36.4% |
| COLL | SELL | 2019-04-15 | 2019-04-17 | $15.09 | $755K | +2.6% | -7.9% | -20.3% |
| COLL | SELL | 2019-03-15 | 2019-03-19 | $17.17 | $859K | -12.7% | -22.1% | -35.7% |
| COLL | SELL | 2019-02-15 | 2019-02-20 | $14.81 | $740K | +21.6% | +5.8% | -20.3% |
| COLL | SELL | 2019-01-15 | 2019-01-17 | $15.56 | $389K | -0.7% | -6.1% | -15.0% |
| COLL | SELL | 2018-12-17 | 2018-12-18 | $18.18 | $909K | -2.1% | -8.6% | +0.3% |
| COLL | SELL | 2018-11-15 | 2018-11-16 | $16.60 | $415K | +9.5% | +3.6% | -19.9% |
| COLL | SELL | 2018-10-15 | 2018-10-17 | $16.53 | $413K | -5.6% | -1.1% | -11.0% |
| COLL | SELL | 2018-06-11 | 2018-06-13 | $25.27 | $7.6M | -7.6% | -27.5% | -43.4% |
| COLL | SELL | 2018-05-10 | 2018-05-14 | $26.21 | $186K | +0.7% | +10.9% | -25.8% |
| COLL | SELL | 2018-04-19 | 2018-04-23 | $26.00 | $1.2M | -7.3% | +2.4% | -15.6% |
| COLL | SELL | 2018-01-22 | 2018-01-23 | $25.01 | $911K | -12.9% | -7.8% | -6.7% |
| COLL | SELL | 2018-01-19 | 2018-01-19 | $22.50 | $450K | +2.6% | +10.6% | +9.4% |
| COLL | SELL | 2017-11-15 | 2017-11-17 | $15.53 | $777K | +0.6% | +5.1% | +47.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.