Andrew Serafin is CSO at Harmony Biosciences Holdings, Inc. (HRMY). They have made 1 open-market trade across 1 company since 2022, most recently 2026-01-25.
CIK 0001821460
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 1 sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| HRMY | 1,474 | $56K |
Shares reported on the most recent Form 4, priced at the 2026-01-26 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| HRMY | SELL | 2022-12-02 | 2022-12-05 | $60.13 | $4.6M | -7.5% | -11.4% | -28.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.