[144] Supernus Pharmaceuticals, Inc. SEC Filing

Rhea-AI Filing Summary

Insider sale notice for SUPN. This Form 144 reports a proposed sale of 1,000 common shares on 08/25/2025 by a person who acquired those shares the same day through exercise of stock options and paid in cash. The broker is Morgan Stanley Smith Barney LLC and the filing lists an aggregate market value of $44,880.00 for the shares. The filing states 56,073,000 shares outstanding and identifies the securities exchange as NASDAQ. The filing also discloses prior 10b5-1 sales by Jack A Khattar during August 2025 totaling 141,500 shares for gross proceeds of $5,361,736.40 across four transactions.

Insights

Securities Compliance Analyst

TL;DR: Routine Rule 144 notice reporting option exercise sale and recent 10b5-1 transactions; appears procedural.

This Form 144 documents a proposed sale of 1,000 shares acquired by exercise of stock options on the same date, to be sold through Morgan Stanley Smith Barney on NASDAQ. The filing includes multiple recent 10b5-1 sales by the same individual totaling 141,500 shares in August 2025. From a compliance perspective, the notice provides required details on acquisition method, payment, broker and aggregate value. The disclosed prior 10b5-1 trades indicate use of a prearranged plan for earlier August dispositions. There are no explicit statements here about undisclosed material information; the filer attests to the absence of such information.

Corporate Governance Specialist

TL;DR: Insider sales disclosed; based on presented figures these dispositions are small relative to total outstanding shares.

The filing quantifies outstanding shares at 56,073,000 and reports recent insider sales aggregating 141,500 shares. Those sales represent a small fraction of outstanding equity. The current notice concerns 1,000 shares acquired and to be sold on exercise, with cash payment. For governance review, the document shows standard disclosure of trading activity and an explicit attestation required by the form. No other governance actions or material events are included.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	44880.00	56073000	08/25/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/25/2025	Exercise of Stock Options	Issuer			1000	08/25/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JACK A KHATTAR 9715 Key West Avenue Rockville MD 20850	Common	08/22/2025	1500	67504.05
10b5-1 Sales for JACK A KHATTAR 9715 Key West Avenue Rockville MD 20850	Common	08/06/2025	38500	1549055.20
10b5-1 Sales for JACK A KHATTAR 9715 Key West Avenue Rockville MD 20850	Common	08/06/2025	38000	1596000.00
10b5-1 Sales for JACK A KHATTAR 9715 Key West Avenue Rockville MD 20850	Common	08/06/2025	63500	2738177.15

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What insider sale is reported for Supernus Pharmaceuticals (SUPN)?

The Form 144 reports a proposed sale of 1,000 common shares on 08/25/2025 acquired the same day via exercise of stock options and paid in cash.

Which broker will handle the SUPN sale listed on the Form 144?

The broker named is Morgan Stanley Smith Barney LLC located at 1 New York Plaza, New York, NY; the exchange listed is NASDAQ.

How many SUPN shares are outstanding according to the filing?

The filing states there are 56,073,000 shares outstanding.

What 10b5-1 sales by Jack A Khattar are disclosed in the filing?

The filing lists four 10b5-1 sales in August 2025 totaling 141,500 shares with combined gross proceeds of $5,361,736.40.

Was payment for the acquired shares made in cash?

Yes. For the 1,000 shares acquired on 08/25/2025 by exercise of stock options, the payment type is listed as Cash.