| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
President, CEO | Chief Medical Officer | Chief Medical Officer
1 company
Jeffrey M. Dayno is President, CEO at HRMY. Jeffrey M. Dayno's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $272K at current prices.
Our model assigns Jeffrey M. Dayno a middling insider score of 54/100, based on 11 past trades. Over a 12-month horizon, 30.0% of those trades were profitable, with an average 12-month return of -16.0%.
The HRMY filings lean toward selling, a net 125,226 shares.
Jeffrey M. Dayno has 15 Form 4 filings on record from August 2020 to January 2026, all as President, CEO at Harmony Biosciences (HRMY), 2020–2026.
The 39 reported transactions were 15 option exercises, 13 open-market sales, 8 option or other derivative awards and 3 tax withholdings.
Counted by filing, the open-market trades come to no purchases and 10 sales worth about $5.4M.
The largest open-market sale was 25,933 shares of HRMY at an average $40.11 on December 12, 2025, about $1.0M.
Both sales since April 2023 were made under a Rule 10b5-1 trading plan, set up in advance.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | HRMY Harmony Biosciences Holdings, Inc. | President, CEO | Sale+OE10b5-1 | 25,933 | $40.11 | $1,040,102.61 | - | -31.4% | - | |
| Jan 21, 2025 | HRMY Harmony Biosciences Holdings, Inc. | President, CEO | Sale+OE10b5-1 | 19,293 | $40.13 | $774,245.45 | - | -29.6% | -9.3% | |
| Nov 3, 2022 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 15,000 | $60.02 | $900,331.50 | - | -19.6% | -56.8% | |
| Nov 1, 2022 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 15,000 | $55.10 | $826,558.50 | - | -19.4% | -58.6% | |
| Oct 19, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 18,200 | $43.27 | $787,542.81 | - | -16.4% | +19.8% | |
| Oct 6, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 1,800 | $40.10 | $72,178.56 | - | +10.1% | +22.4% | |
| Sep 7, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 10,000 | $37.58 | $375,783.00 | - | -3.7% | +21.9% | |
| Aug 27, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 10,000 | $35.13 | $351,281.73 | - | +6.5% | +35.0% | |
| Aug 10, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 9,950 | $30.21 | $300,634.28 | - | +41.2% | +73.9% | |
| Jul 22, 2021 | HRMY Harmony Biosciences Holdings, Inc. | Chief Medical Officer | Sale+OE | 50 | $30.00 | $1,500.00 | - | +42.9% | +73.7% |