Sheldon Koenig to sell 25,578 ESPR shares (NASDAQ: ESPR) under Form 144

Rhea-AI Filing Summary

Sheldon Koenig filed a Form 144 reporting an intended sale of 25,578 shares of Common Stock. The shares are described as resulting from restricted stock vesting on 03/16/2026. The filing also discloses prior sales of 48,244 shares on 12/17/2025 for $177,200.21.

The broker of record is Fidelity Brokerage Services LLC at the listed account, and the security is traded on NASDAQ. The filing lists the proposed sale notice date as 03/17/2026.

Insights

Securities Attorney

Form 144 notifies the market of a proposed resale of vested restricted shares.

Form 144 is a statutory notice of an intended sale by an affiliate; it does not itself execute a sale. The filing states 25,578 shares tied to restricted stock vesting on 03/16/2026, with a broker of record named.

Cash‑flow treatment and execution timing are not specified; subsequent Form 4 or sale confirmations would show completion. Future filings will indicate whether and when these shares were actually sold.

Equity Markets Analyst

The notice signals potential secondary supply but is procedural rather than definitive.

A Form 144 disclosure of 25,578 shares indicates an intent to sell vested compensation shares. The filing also records prior disposals of 48,244 shares on 12/17/2025 for $177,200.21.

Whether this creates market pressure depends on execution method and timing; the filing lists NASDAQ as the trading market and Fidelity as broker of record.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	25578	69551.70	256810482	03/17/2026	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	03/16/2026	Restricted Stock Vesting	Issuer			25578	03/16/2026	Compensation

* 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
Sheldon Koenig 3891 Ranchero Drive Suite 150 Ann Arbor MI 48108	Common	12/17/2025	48244	177200.21

144: Remarks and Signature

Remarks

Date of Notice

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 does Sheldon Koenig's Form 144 for ESPR report?

It reports an intended sale of 25,578 shares of common stock tied to restricted stock vesting on 03/16/2026. The notice names Fidelity Brokerage Services LLC as broker of record and shows the filing date as 03/17/2026.

Does the Form 144 show previous insider sales for ESPR?

Yes. The filing lists prior sales of 48,244 shares on 12/17/2025 with proceeds of $177,200.21. That transaction is disclosed separately from the newly reported intended sale of 25,578 shares.

Are the 25,578 shares already vested or issuable for ESPR?

The filing describes the shares as resulting from restricted stock vesting on 03/16/2026, indicating they are vested at the time of the Form 144 notice. The document ties the shares to compensation-related vesting.

Does the Form 144 confirm the sale execution for ESPR shares?

No. Form 144 is a notice of intent and does not confirm execution of a sale. Completion and sale details would appear in subsequent transaction filings or confirmations, which are not included here.

Which broker and market are listed in the ESPR Form 144?

The filing names Fidelity Brokerage Services LLC and lists the security's trading market as NASDAQ. The broker address shown is 900 Salem Street, Smithfield, RI, and the notice date is 03/17/2026.