Morgan Stanley Smith Barney files Form 144 for KYMR to sell 61,378 shares (KYMR)

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 notice to sell 61,378 shares of Common Stock tied to the exercise of stock options.

The filing also lists 15,731 Restricted Stock Units with an earlier grant date of 03/01/2025. The sales are presented on the form with an effective/filing date of 06/30/2026 and the securities are listed for trading on NASDAQ.

Insights

Securities Counsel

Regulation 144 notice for an intended resale of exercised option shares is procedural; timing and execution depend on Rule 144 conditions.

The filing states the proposed sale of 61,378 shares from an exercise of stock options as of 06/30/2026. Regulation 144 notices publicly record an intention to sell but do not guarantee sale timing or method.

Whether the shares can be sold depends on available holding‑period and public resale conditions; subsequent filings or trade reports will show actual dispositions.

Key Figures

Shares proposed for resale: 61,378 shares Restricted Stock Units listed: 15,731 units Filing date: 06/30/2026

3 metrics

Shares proposed for resale 61,378 shares Exercise of stock options as of <date>06/30/2026</date>

Restricted Stock Units listed 15,731 units Grant date <date>03/01/2025</date>

Filing date 06/30/2026 Form 144 effective/filing date

Key Terms

Exercise of Stock Options, Restricted Stock Units, Form 144 / Regulation 144

3 terms

Exercise of Stock Options financial

"Exercise of Stock Options | Issuer | 61378 | 06/30/2026"

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 15731 | 03/01/2025"

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.

Form 144 / Regulation 144 regulatory

"Filer Information ... 144: Securities To Be Sold"

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Available on EDGAR 06/30/2026 - 04:33 PM Accepted by SEC EDGAR 06/30/2026 - 04:32 PM 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
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	77109	8429555.88	82257588	06/30/2026	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	06/30/2026	Exercise of Stock Options	Issuer			61378	06/30/2026	Cash
Common	03/01/2025	Restricted Stock Units	Issuer			15731	03/01/2025	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

Nothing to Report

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 does KYMR's Form 144 disclose about the sale?

The Form 144 reports an intended sale of 61,378 shares tied to option exercises, dated 06/30/2026. It also lists 15,731 Restricted Stock Units with a grant date of 03/01/2025.

Who is the filer listed on the Form 144 for KYMR?

The filing identifies Morgan Stanley Smith Barney LLC Executive Financial Services as the filer, with an address at 1 New York Plaza, New York. The form shows the transaction relates to Common stock on NASDAQ.

Does the Form 144 confirm the shares were already sold?

No. Form 144 notifies of an intended resale; it does not confirm execution. Actual sale completion would appear in subsequent trade reports or amended filings that report dispositions.

Are the 15,731 RSUs being sold under this notice?

The form lists 15,731 Restricted Stock Units with a grant date of 03/01/2025. The listing does not itself state these RSUs are being sold; it records the security detail on the form.