Kymera officer plans sale of 6,371 shares

Officer Brian Adams filed a Form 144 to sell 6,371 Kymera shares from recently vested RSUs to cover tax withholding obligations.

Rhea-AI Filing Summary

Kymera Therapeutics, Inc. (KYMR) is the issuer for a Form 144 notice filed for the potential sale of up to 6,371 shares of its common stock for the account of officer Brian Adams. The shares were acquired on September 3, 2026 upon vesting of Restricted Stock Units under Kymera’s 2020 Equity Incentive Plan.

The notice states that the sales are intended to cover tax withholding obligations related to the RSU vesting, will be executed through Morgan Stanley Smith Barney LLC, and were automatic transactions intended to qualify under Rule 10b5-1.

Key Figures

Shares to be sold: 6,371 shares Aggregate market value: 747,191 Proposed sale date: September 4, 2026 +1 more

4 metrics

Shares to be sold 6,371 shares Maximum Kymera common shares covered by the Form 144 notice

Aggregate market value 747,191 Aggregate market value associated with the 6,371 shares to be sold

Proposed sale date September 4, 2026 Date listed for the sale of Kymera common stock

Acquisition date September 3, 2026 Date shares were acquired upon vesting of Restricted Stock Units

Key Terms

Rule 144, Restricted Stock Units, Rule 10b5-1, Equity Incentive Plan

4 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 Units financial

"Shares acquired upon vesting of Restricted Stock Units awarded under the Issuer's 2020"

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.

Rule 10b5-1 regulatory

"These sales were automatic and intended to qualify under Rule 10b5-1."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Equity Incentive Plan financial

"awarded under the Issuer's 2020 Equity Incentive Plan."

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Kymera Therapeutics (KYMR) disclose in this Form 144 filing?

The filing discloses a notice for the potential sale of 6,371 shares of Kymera common stock for officer Brian Adams, relating to shares acquired from vested RSUs under the company’s 2020 Equity Incentive Plan, primarily to cover tax withholding obligations.

How many KYMR shares are covered by Brian Adams’s Form 144 notice?

The Form 144 notice covers up to 6,371 shares of Kymera Therapeutics common stock that may be sold. These shares were acquired upon vesting of Restricted Stock Units awarded under Kymera’s 2020 Equity Incentive Plan.

When were the Kymera (KYMR) shares acquired and when may they be sold?

The shares were acquired on September 3, 2026 upon RSU vesting. The Form 144 indicates a proposed sale date of September 4, 2026 for these shares of Kymera common stock.

Why are the Kymera (KYMR) shares being sold under this Form 144?

The filing states the sales represent shares required to be sold to cover tax withholding obligations in connection with the vesting of RSUs. The transactions are described as automatic and intended to qualify under Rule 10b5-1.

Which broker is handling the potential sale of KYMR shares in this Form 144?

The planned sale of Kymera Therapeutics common stock is to be executed through Morgan Stanley Smith Barney LLC, listed as the broker in the Form 144 securities information section.

What type of security is being sold in the Kymera (KYMR) Form 144 filing?

The Form 144 relates to sales of Common Stock of Kymera Therapeutics, Inc., listed on NASDAQ. The shares were acquired upon vesting of Restricted Stock Units under the issuer’s 2020 Equity Incentive Plan.

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

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Available on EDGAR 09/04/2026 - 04:15 PM EDT Accepted by SEC EDGAR 09/04/2026 - 04:15 PM EDT 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	0001636994
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	KYMERA THERAPEUTICS, INC.
SEC File Number	001-39460
Address of Issuer	500 North Beacon Street 4th Floor Watertown MASSACHUSETTS 02472
Phone	(857)-285-5300
Name of Person for Whose Account the Securities are To Be Sold	Brian Adams
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	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	Morgan Stanley Smith Barney LLC 1 New York Plaza 38th Floor New York NY 10004	6371	747191	83150618	09/04/2026	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	09/03/2026	Shares acquired upon vesting of Restricted Stock Units awarded under the Issuer's 2020 Equity Incentive Plan.	KYMERA THERAPEUTICS, INC.			6371	09/03/2026	Equity compensation

* 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	The sales reported on this Form 144 represent shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. These sales were automatic and intended to qualify under Rule 10b5-1.
Date of Notice	09/04/2026
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/ Bruce Jacobs
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)