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
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Harmony Biosciences Holdings Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Harmony Biosciences Holdings Inc. May 29, 202470.2%
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 |
Questions about Jeffrey M. Dayno
What boards is Jeffrey M. Dayno on?
Jeffrey M. Dayno sits on the board of Harmony Biosciences Holdings Inc.
What company is Jeffrey M. Dayno the CEO of?
Jeffrey M. Dayno is PRESIDENT, CEO of Harmony Biosciences Holdings Inc.
How long has Jeffrey M. Dayno served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.