Harmony Biosciences (NASDAQ: HRMY) CSO receives stock options and RSUs

Rhea-AI Filing Summary

Harmony Biosciences Chief Strategy Officer Andrew Serafin reported multiple equity compensation transactions and related tax withholdings. On January 22, 2026, he received a stock option for 42,600 shares of common stock at an exercise price of $36.76 per share and 12,200 restricted stock units (RSUs), both vesting over several years subject to continued service. On January 24 and 25, 2026, previously granted RSUs vested, converting into 2,500 and 2,600 shares of common stock, respectively. At each vesting date, the issuer withheld 1,116 and 1,126 shares at a price of $36.82 per share to cover income tax obligations, leaving Serafin with directly held common shares and remaining unvested RSUs that continue to vest in annual installments.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Serafin Andrew

(Last) (First) (Middle)

C/O HARMONY BIOSCIENCES HOLDINGS, INC.

630 W GERMANTOWN PIKE, SUITE 215

(Street)

PLYMOUTH MEETING PA 19462

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Harmony Biosciences Holdings, Inc. [ HRMY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF STRATEGY OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/24/2026		M		2,500	A	$0	2,500	D
Common Stock(1)	01/24/2026		F		1,116	D	$36.82	1,384	D
Common Stock	01/25/2026		M		2,600	A	$0	2,600	D
Common Stock(1)	01/25/2026		F		1,126	D	$36.82	1,474	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	$36.76	01/22/2026		A		42,600		(2)	01/22/2036	Common Stock	42,600	$0	42,600	D
Restricted Stock Units	(3)	01/22/2026		A		12,200		(3)	(3)	Common Stock	12,200	$0	12,200	D
Restricted Stock Units(4)	(4)	01/24/2026		M			2,500	(4)	(4)	Common Stock	2,500	$0	5,000	D
Restricted Stock Units(5)	(5)	01/25/2026		M			2,600	(5)	(5)	Common Stock	2,600	$0	7,800	D

Explanation of Responses:

1. Shares withheld by the Issuer to satisfy required income tax withholdings pursuant to the vesting of restricted stock units on their scheduled vesting date.

2. The stock option vests with respect to 25% of the underlying shares on January 22, 2027, with the remaining shares vesting ratably on a quarterly basis thereafter until the fourth anniversary of the grant date, subject to the Reporting Person's continued service through each applicable vesting date.

3. The restricted stock units shall vest in four equal annual installments beginning on January 22, 2027, subject to the Reporting Person's continued service through each applicable vesting date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock and has no expiration date.

4. This award of restricted stock units was previously granted on January 24, 2024. The restricted stock units shall vest in four equal annual installments beginning on January 24, 2025, subject to the Reporting Person's continued service through each applicable vesting date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock and has no expiration date.

5. This award of restricted stock units was previously granted on January 25, 2025. The restricted stock units shall vest in four equal annual installments beginning on January 25, 2026, subject to the Reporting Person's continued service through each applicable vesting date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock and has no expiration date.

	/s/ Christian Ulrich, Attorney-in-Fact	01/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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FAQ

What insider transactions did Harmony Biosciences (HRMY) report for Andrew Serafin?

The filing shows that Chief Strategy Officer Andrew Serafin received a 42,600-share stock option, 12,200 new RSUs, and had previously granted RSUs vest into common stock with some shares withheld to cover taxes.

How many Harmony Biosciences stock options were granted to the CSO in this Form 4?

On January 22, 2026, Andrew Serafin was granted a stock option for 42,600 shares of Harmony Biosciences common stock with an exercise price of $36.76 per share.

What restricted stock unit (RSU) awards did Harmony Biosciences (HRMY) disclose for its CSO?

The filing reports 12,200 RSUs granted on January 22, 2026, plus previously granted RSUs from January 24, 2024 and January 25, 2025 that vest in four equal annual installments, each RSU representing one share of common stock.

Were Harmony Biosciences shares sold by the CSO in the open market?

The reported non-derivative transactions reflect shares issued from vesting RSUs and shares withheld by the issuer to satisfy income tax obligations at $36.82 per share, rather than open-market purchases or sales.

How were taxes handled on the RSU vesting for Harmony Biosciences (HRMY)?

When RSUs vested on January 24 and 25, 2026, the company withheld 1,116 and 1,126 shares of common stock, respectively, at $36.82 per share to cover required income tax withholdings.

What is the vesting schedule for the new Harmony Biosciences stock option and RSUs?

The stock option vests 25% on January 22, 2027, with the balance vesting quarterly until the fourth anniversary of the grant date. The 12,200 RSUs vest in four equal annual installments beginning on January 22, 2027, subject to continued service.