Jeremy Chadwick reports KYMR transactions (NASDAQ: KYMR) including 20,000-option line

Rhea-AI Filing Summary

Jeremy Chadwick reported proposed and recent transactions in shares of KYMR. The filing lists a proposed exercise-related sale of 20,000 common shares dated 03/11/2026 and shows restricted stock units dated 05/22/2024 totaling 5,758 units.

The filing also records completed sales: 3,919 shares on 03/04/2026 for $334,272.49 and 2,039 shares on 03/02/2026 for $181,321.64.

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	25758	2178611.64	81642394	03/11/2026	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	03/11/2026	Exercise of Stock Options	Issuer			20000	03/11/2026	Cash
Common	05/22/2024	Restricted Stock Units	Issuer			5758	05/22/2024	N/A

* 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
JEREMY CHADWICK 500 North Beacon Street, 4th Floor Watertown MA 02472	Common	03/04/2026	3919	334272.49
JEREMY CHADWICK 500 North Beacon Street, 4th Floor Watertown MA 02472	Common	03/02/2026	2039	181321.64

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 transactions did Jeremy Chadwick report for KYMR?

Jeremy Chadwick reported proposed and completed transactions. The filing lists a proposed exercise-related sale of 20,000 shares dated 03/11/2026 and completed sales of 3,919 shares on 03/04/2026 and 2,039 shares on 03/02/2026.

How much cash did Chadwick receive from the reported KYMR sales?

The filing shows proceeds of $334,272.49 for 3,919 shares sold on 03/04/2026 and $181,321.64 for 2,039 shares sold on 03/02/2026, as disclosed in the transaction lines of the Form 144 excerpt.

Does the filing show any equity awards related to KYMR holdings?

Yes. The excerpt lists 5,758 restricted stock units dated 05/22/2024. It also records an exercise-of-options line tied to 20,000 common shares dated 03/11/2026 in the securities-to-be-sold section.

Who is listed as the broker or intermediary in the KYMR filing?

The excerpt names Morgan Stanley Smith Barney LLC at 1 New York Plaza, 8th Floor, New York, NY 10004 as the listed financial intermediary for the transactions shown in the Form 144 content.