Jeffrey M. Dayno
PRESIDENT, CEO at Harmony Biosciences Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Harmony Biosciences Holdings Inc., 3 years.
Harmony Biosciences Holdings Inc.
Director · PRESIDENT, CEO
Chief executive roles
Harmony Biosciences Holdings Inc.
· PRESIDENT, CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 25, 2026 | Harmony Biosciences Holdings Inc. | Option exercise | +13,000 | — | — |
| Jan 25, 2026 | Harmony Biosciences Holdings Inc. | Shares withheld for tax | −5,654 | $36.82 | $208,180 |
| Jan 24, 2026 | Harmony Biosciences Holdings Inc. | Option exercise | +10,500 | — | — |
| Jan 24, 2026 | Harmony Biosciences Holdings Inc. | Shares withheld for tax | −4,785 | $36.82 | $176,184 |
| Dec 12, 2025 | Harmony Biosciences Holdings Inc. | Option exercise | +20,000 | $8.22 | $164,400 |
| Dec 12, 2025 | Harmony Biosciences Holdings Inc. | Open-market sale | −20,000 | $40.11 | $802,200 |
| Dec 12, 2025 | Harmony Biosciences Holdings Inc. | Open-market sale | −5,933 | $40.11 | $237,973 |
| Jan 24, 2025 | Harmony Biosciences Holdings Inc. | Option exercise | +10,500 | — | — |
| Jan 24, 2025 | Harmony Biosciences Holdings Inc. | Shares withheld for tax | −4,567 | $38.01 | $173,592 |
| Jan 21, 2025 | Harmony Biosciences Holdings Inc. | Option exercise | +19,293 | $8.22 | $158,588 |
| Jan 21, 2025 | Harmony Biosciences Holdings Inc. | Open-market sale | −19,293 | $40.13 | $774,228 |
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