KYMR (KYMR) Form 144 shows option exercise and 10b5-1 sales by insider

Rhea-AI Filing Summary

KYMR submitted a Form 144 notice disclosing the proposed sale and recent dispositions tied to an option exercise and 10b5-1 programs. The filing shows an exercise of stock options for 2,500 shares on 03/20/2026 for cash. It also lists prior 10b5-1 sales by Pamela Esposito: 2,500 shares on 02/20/2026 and 5,500 shares on 01/20/2026, with proceeds shown for each transaction.

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	2500	198925.00	81642394	03/20/2026	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	03/20/2026	Exercise of Stock Options	Issuer			2500	03/20/2026	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 PAMELA ESPOSITO 500 North Beacon Street, 4th Floor Watertown MA 02472	Common	02/20/2026	2500	218270.00
10b5-1 Sales for PAMELA ESPOSITO 500 North Beacon Street, 4th Floor Watertown MA 02472	Common	01/20/2026	5500	373521.20

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 recent transactions?

The Form 144 discloses an option exercise of 2,500 shares on 03/20/2026 and 10b5-1 sales of 2,500 and 5,500 shares on 02/20/2026 and 01/20/2026, respectively. The filing lists cash proceeds for each sale.

Who executed the 10b5-1 sales listed in the KYMR Form 144?

The filing names Pamela Esposito as the 10b5-1 seller at an address in Watertown, MA. The record shows 10b5-1 dispositions on 01/20/2026 and 02/20/2026 with stated share counts and proceeds.

How many shares were exercised and by what method in the Form 144?

An exercise of stock options for 2,500 shares is recorded on 03/20/2026 and the method of payment is shown as cash in the filing. The entry is labeled as an issuer transaction.

What proceeds are reported for the listed transactions in KYMR's filing?

The filing shows proceeds associated with each sale: $218,270.00 for the 02/20/2026 sale and $373,521.20 for the 01/20/2026 sale. The exercise entry lists $198,925.00 alongside the 2,500-share exercise.

Does the Form 144 indicate whether the shares are being sold on an exchange?

The filing includes NASDAQ as the market identifier for the securities. The Form 144 entries list transaction dates and methods but do not specify execution venues beyond the exchange code shown.