Benjamin Halladay to sell 10,773 ESPR shares after vesting (ESPR)

Rhea-AI Filing Summary

Benjamin Halladay filed a Form 144 reporting an intended resale of 10,773 shares of Common Stock tied to a restricted stock vesting event dated 06/15/2026. The filing also discloses 6,424 shares were sold on 03/17/2026.

Insights

Equity Capital Markets Analyst

Routine resale notice for vested restricted shares; limited market signal.

This Form 144 lists an intended resale of 10,773 shares associated with a restricted stock vesting event on 06/15/2026. It also records a prior sale of 6,424 shares on 03/17/2026.

Such filings are administrative disclosures of proposed sales and do not by themselves quantify proceeds, pricing, or trading method. Subsequent trade reports would show execution details if and when the sales occur.

Key Figures

Shares to be sold: 10,773 shares Shares sold (past 3 months): 6,424 shares Form filing date: 06/17/2026

3 metrics

Shares to be sold 10,773 shares restricted stock vesting on 06/15/2026

Shares sold (past 3 months) 6,424 shares sold on 03/17/2026

Form filing date 06/17/2026 Form 144 filing date shown in excerpt

Key Terms

Form 144, Restricted Stock Vesting, Compensation

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Common | 06/15/2026 | Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Compensation financial

"06/15/2026 | Compensation"

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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

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	10773	33985.59	257431942	06/17/2026	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	06/15/2026	Restricted Stock Vesting	Issuer			10773	06/15/2026	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
Benjamin Halladay 3891 Ranchero Drive Suite 150 Ann Arbor MI 48108	Common	03/17/2026	6424	17374.98

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 did the Form 144 for ESPR disclose?

The filing reports an intended resale of 10,773 shares tied to restricted stock vesting dated 06/15/2026 and a prior sale of 6,424 shares on 03/17/2026. It is a notice of potential sales, not an execution report.

Who is the reporting person on the ESPR Form 144?

Benjamin Halladay is shown as the reporting person with an address in Ann Arbor, Michigan. The document lists Fidelity Brokerage Services LLC in connection with the securities information and the filing date 06/17/2026.

Does the Form 144 state how the 10,773 shares will be sold?

The entry for the 10,773 shares identifies the transaction as resulting from restricted stock vesting and labels it Compensation. The filing excerpt does not provide execution method, price, or planned sale mechanics.

Has any portion already been sold recently according to the filing?

Yes, the filing records that 6,424 shares were sold on 03/17/2026. This is presented under "Securities Sold During The Past 3 Months" in the excerpt.