[144] Nuvalent, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice shows an insider sale filing for Nuvalent, Inc. (NUVL). The filer intends to sell 6,158 common shares through Morgan Stanley Smith Barney on the NASDAQ with an aggregate market value of $484,819.34. Those 6,158 shares were acquired the same day (09/10/2025) by exercising stock options and paid for in cash. The filing reports that 23,945 shares were sold over the prior three months under a mix of 10b5-1 plans and direct sales, generating total gross proceeds of $1,888,286.34. The seller identified in the filing is Henry E. Pelish. The form includes the standard signature representation that the seller is not aware of any undisclosed material adverse information.

Positive

• Full disclosure of broker, share counts, and aggregate market value facilitates market transparency
• Multiple prior sales documented, including 10b5-1 plans, indicating preplanned trading and procedural compliance

Negative

• Insider selling of 23,945 shares over three months totaling $1,888,286.34 increases available shares on market (may raise investor questions)

Insights

Securities Analyst

TL;DR: Insider exercised options and plans a modest market sale; activity is disclosed but not clearly material to capitalization.

The filing documents an option exercise and immediate proposed sale of 6,158 shares valued at $484,819.34, executed through a major brokerage on NASDAQ. Recent activity shows systematic dispositions totaling 23,945 shares and $1.89M in proceeds over three months, several via 10b5-1 plans. From a capital-markets perspective, these are routine insider liquidity events rather than clear signals about company fundamentals. The disclosed figures allow investors to quantify insider selling but do not, on their face, indicate material corporate change.

Compliance / Corporate Governance Expert

TL;DR: Filing appears procedurally complete and cites Rule 10b5-1 usage; disclosure aligns with regulatory requirements.

The Form 144 shows acquisition by option exercise and lists the broker, share counts, market value, and prior sales, including 10b5-1 plan transactions. The inclusion of the seller's representation about material information and explicit broker details supports regulatory transparency. The filing does not state the filers relationship to the issuer in the provided content, so assessment of potential governance implications is limited to disclosed sale amounts and methods.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6158	484819.34	66669583	09/10/2025	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	09/10/2025	Exercise of Stock Options	Issuer			6158	09/10/2025	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 HENRY E PELISH One Broadway, 14th Floor Cambridge MA 02142	Common	08/07/2025	5500	411652.45
10b5-1 Sales for HENRY E PELISH One Broadway, 14th Floor Cambridge MA 02142	Common	07/10/2025	5500	439898.25
HENRY E PELISH One Broadway, 14th Floor Cambridge MA 02142	Common	07/09/2025	2145	174080.60
10b5-1 Sales for HENRY E PELISH One Broadway, 14th Floor Cambridge MA 02142	Common	06/27/2025	2170	173415.39
10b5-1 Sales for HENRY E PELISH One Broadway, 14th Floor Cambridge MA 02142	Common	06/25/2025	8630	689239.65

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

Who is the seller named in the Form 144 for Nuvalent (NUVL)?

The seller identified is Henry E. Pelish.

How many shares does the Form 144 propose to sell and what is their aggregate market value?

The filing proposes to sell 6,158 common shares with an aggregate market value of $484,819.34.

How were the 6,158 shares acquired according to the filing?

The shares were acquired on 09/10/2025 by exercise of stock options and paid for in cash.

How many shares were sold by the person during the past three months and what were the proceeds?

23,945 shares were sold, generating gross proceeds of $1,888,286.34.

Through which broker will the proposed sale be executed?

The proposed sale lists Morgan Stanley Smith Barney LLC (Executive Financial Services) in New York.