Supernus SVP reports stock grants, tax withholdings

SUPERNUS PHARMACEUTICALS, INC. senior vice president Frank Mottola reported a mix of equity award activity and related share dispositions.

Rhea-AI Filing Summary

SUPERNUS PHARMACEUTICALS, INC. senior vice president Frank Mottola reported a mix of equity award activity and related share dispositions. On February 24, 2026, several restricted stock unit (RSU) awards vested, and RSUs totaling 1,125, 750 and 1,250 units were disposed of back to the company. Each RSU represents the right to receive one share of Supernus common stock upon vesting.

On the same date, Mottola received three common stock grants of 1,125, 750 and 1,250 shares at no cost, while 603, 368 and 670 common shares were delivered back to the company at prices of $51.35 and $50.86 to satisfy tax withholding obligations tied to the RSU vesting. The RSU awards vest in four equal annual installments beginning on February 19, 2026, February 22, 2023 and February 22, 2025, as applicable.

Insider Trade Summary

9 transactions reported

Mixed 9 txns

Insider Mottola Frank

Role SVP, Chief Tech. Ops. Officer

Type	Security	Shares	Price	Value
Disposition	Restricted Stock Unit	1,125	$0.00	$0.00
Disposition	Restricted Stock Unit	750	$0.00	$0.00
Disposition	Restricted Stock Unit	1,250	$0.00	$0.00
Grant/Award	Common Stock	1,125	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	603	$51.35	$31K
Grant/Award	Common Stock	750	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	368	$50.86	$19K
Grant/Award	Common Stock	1,250	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	670	$50.86	$34K

Holdings After Transaction: Restricted Stock Unit — 5,875 contracts (Direct); Common Stock — 17,208 shares (Direct)

Footnotes (5)

1. F1. Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.
2. F2. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
3. F3. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
4. F4. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2023.
5. F5. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Supernus (SUPN) executive Frank Mottola report on this Form 4?

Frank Mottola reported RSU vesting, stock grants, and related share dispositions. Restricted stock units vested and were exchanged for common shares, while some common shares were delivered back to Supernus to cover tax withholding obligations connected to those equity awards.

How many Supernus (SUPN) restricted stock units did Frank Mottola dispose of?

He reported issuer dispositions of 1,125, 750 and 1,250 restricted stock units. These dispositions reflect RSUs being settled or returned in connection with vesting, consistent with the footnotes stating that each restricted stock unit converts into one share of Supernus common stock upon vesting.

What common stock grants did Frank Mottola receive from Supernus (SUPN)?

He received three grants of Supernus common stock totaling 1,125, 750 and 1,250 shares. Each grant was reported with a per-share price of $0.00, indicating they were equity awards rather than open-market purchases, and they increased his directly held common stock stake.

Why were some Supernus (SUPN) shares delivered back to the company in this Form 4?

Common shares in amounts of 603, 368 and 670 were delivered back to Supernus. The filing explains these transactions as payments of tax withholding obligations, with the company withholding shares in connection with the vesting of restricted stock units instead of using cash to satisfy tax liabilities.

How do Frank Mottola’s Supernus (SUPN) RSUs vest according to this filing?

The RSUs vest in four equal annual installments on specific schedules. Footnotes state that certain awards begin vesting on February 19, 2026, others on February 22, 2023, and others on February 22, 2025, with each installment settled in common stock upon vesting.

What prices were used for the Supernus (SUPN) tax-withholding share dispositions?

The tax-withholding dispositions used prices of $51.35 and $50.86 per share. These prices applied to the common shares delivered back to Supernus to cover tax liabilities tied to RSU vesting, as reported under transaction code “F” for tax-withholding dispositions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/25/2026 - 04:54 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Mottola Frank

(Last) (First) (Middle)

C/O SUPERNUS PHARMACEUTICALS, INC.,

9715 KEY WEST AVENUE

(Street)

ROCKVILLE MD 20850

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SUPERNUS PHARMACEUTICALS, INC. [ SUPN ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Tech. Ops. Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		A		1,125	A	$0	16,849	D
Common Stock	02/24/2026		F		603(1)	D	$51.35	16,246	D
Common Stock	02/24/2026		A		750	A	$0	16,996	D
Common Stock	02/24/2026		F		368(1)	D	$50.86	16,628	D
Common Stock	02/24/2026		A		1,250	A	$0	17,878	D
Common Stock	02/24/2026		F		670(1)	D	$50.86	17,208	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
Restricted Stock Unit	(2)	02/24/2026		D			1,125	(3)	(3)	Common Stock	1,125	$0	3,375	D
Restricted Stock Unit	(2)	02/24/2026		D			750	(4)	(4)	Common Stock	750	$0	0	D
Restricted Stock Unit	(2)	02/24/2026		D			1,250	(5)	(5)	Common Stock	1,250	$0	2,500	D

Explanation of Responses:

1. Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the RSU vesting.

2. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.

3. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.

4. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2023.

5. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.

Remarks:

	/s/ Timothy C. Dec, as attorney-in-fact	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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