Fulcrum Therapeutics ex-officer plans 14K share sale

A Rule 144 notice filed by former officer Greg Tourangeau lists 14,062 Fulcrum shares for planned sale, worth about $54,419.94 as of Sept. 2, 2026.

Rhea-AI Filing Summary

Fulcrum Therapeutics, Inc. (FULC) is the issuer for a Rule 144 notice filed by former officer Greg Tourangeau covering planned sales of company common stock. The notice lists 14,062 shares of Fulcrum common stock with an approximate value of $54,419.94 as of September 2, 2026. The shares derive from various equity awards and programs, including restricted stock awards and units, stock option exercises, and purchases under the employee stock purchase program between 2018 and 2025.

Key Figures

Shares listed in Form 144: 14,062 shares Approximate value of shares: $54,419.94 Restricted Stock Awards shares: 5,876 shares +3 more

6 metrics

Shares listed in Form 144 14,062 shares Common stock of Fulcrum Therapeutics, Inc. in the securities information section

Approximate value of shares $54,419.94 Value associated with the 14,062 shares as of September 2, 2026

Restricted Stock Awards shares 5,876 shares Common stock from Restricted Stock Awards dated June 20, 2018

Employee Stock Purchase Program shares (2024) 2,989 shares Common stock from Employee Stock Purchase Program dated May 14, 2024

Restricted Stock Units shares (2025) 1,128 shares Common stock from Restricted Stock Units dated May 6, 2025

Form 144 signature date September 2, 2026 Date of signature by Greg Tourangeau on the notice

Key Terms

Rule 144, Restricted Stock Awards, Restricted Stock Units, Employee Stock Purchase Program, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Awards financial

"Common Stock | 06/20/2018 | Restricted Stock Awards | Issuer"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

Restricted Stock Units financial

"Common Stock | 05/06/2023 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Employee Stock Purchase Program financial

"Common Stock | 11/12/2021 | Employee Stock Purchase Program | Issuer"

Stock Option Exercises financial

"Common Stock | 11/26/2021 | Stock Option Exercises | Issuer"

FAQ

What does the Form 144 filing for FULC disclose about Greg Tourangeau?

The Form 144 identifies Greg Tourangeau, a former officer of Fulcrum Therapeutics, Inc. (FULC), as the person for whose account Fulcrum common stock may be sold under Rule 144, using Merrill Lynch, Pierce, Fenner & Smith Inc. as the broker.

How many FULC shares are covered by Greg Tourangeau’s Form 144?

The notice lists 14,062 shares of Fulcrum Therapeutics, Inc. common stock in the securities information section, with an approximate value of $54,419.94 as of September 2, 2026.

What is the approximate market value of the FULC shares in this Form 144?

The Form 144 shows an approximate value of $54,419.94 for the 14,062 shares of Fulcrum Therapeutics, Inc. common stock listed, based on information as of September 2, 2026.

What types of awards generated the FULC shares in Greg Tourangeau’s Form 144?

The shares come from multiple sources: Restricted Stock Awards (5,876 shares, dated June 20, 2018), Restricted Stock Units (including 602, 576, and 1,128 shares on dates from 2023 to 2025), Employee Stock Purchase Program purchases, and stock option exercises.

When were the key FULC equity awards underlying this Form 144 acquired?

Key acquisition dates include June 20, 2018 (restricted stock awards), November 12, 2021 and May 13, 2022 (employee stock purchase program), November 26 and 30, 2021 (stock option exercises), and May 6, 2023, 2024, and 2025 (restricted stock units).

Which broker is named for the potential sale of FULC shares in this Form 144?

The broker listed is Merrill Lynch, Pierce, Fenner & Smith Inc., with trading noted on NASDAQ for the Fulcrum Therapeutics, Inc. common stock covered by the Form 144 notice.

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

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Available on EDGAR 09/02/2026 - 09:31 AM Accepted by SEC EDGAR 09/02/2026 - 09:30 AM Learn about SEC filing dates

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	0001916566
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Fulcrum Therapeutics, Inc.
SEC File Number	001-38978
Address of Issuer	26 Landsdowne St Cambridge MASSACHUSETTS 01239
Phone	617-651-8851
Name of Person for Whose Account the Securities are To Be Sold	Greg Tourangeau
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	former officer

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 Stock	Merrill Lynch, Pierce, Fenner & Smith Inc 1400 American Blvd. Pennington NJ 08534	14062	54419.94	76297257	09/02/2026	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 Stock	06/20/2018	Restricted Stock Awards	Issuer			5876	06/20/2018	Cash
Common Stock	11/12/2021	Employee Stock Purchase Program	Issuer			1248	11/12/2021	Cash
Common Stock	11/26/2021	Stock Option Exercises	Issuer			690	11/26/2021	Cash
Common Stock	11/30/2021	Stock Option Exercises	Issuer			254	11/30/2021	Cash
Common Stock	05/13/2022	Employee Stock Purchase Program	Issuer			699	05/13/2022	Cash
Common Stock	05/06/2023	Restricted Stock Units	Issuer			602	05/06/2023	Cash
Common Stock	05/06/2024	Restricted Stock Units	Issuer			576	05/06/2024	Cash
Common Stock	05/14/2024	Employee Stock Purchase Program	Issuer			2989	05/14/2024	Cash
Common Stock	05/06/2025	Restricted Stock Units	Issuer			1128	05/06/2025	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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
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	/s/ Greg Tourangeau
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)