TNGX files Form 144 to sell 93,000 shares

TNGX reports a proposed sale of 93,000 shares of Common Stock related to the exercise of stock options on 03/25/2026 for cash.

Rhea-AI Filing Summary

TNGX reports a proposed sale of 93,000 shares of Common Stock related to the exercise of stock options on 03/25/2026 for cash. The filing also lists prior Rule 10b5-1 sales by Adam Crystal, including 20,251, 54,345, and 18,452 shares on 03/05/2026, 02/25/2026, and 02/03/2026, respectively.

Insights

Securities Attorney

Routine Form 144 reporting of option exercise and prior 10b5-1 sales.

The filing documents an exercise of stock options tied to 93,000 Common shares to be sold for cash on 03/25/2026. It separately lists prior Rule 10b5-1 dispositions by Adam Crystal of 20,251, 54,345, and 18,452 shares on the dates shown.

These entries are administrative resale notifications; cash‑flow treatment is described as cash for the exercise. Timing and method details beyond the dates and amounts are not provided in the excerpt.

FAQ

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

What does the TNGX Form 144 disclose about the 93,000 shares?

It discloses a proposed sale of 93,000 Common shares tied to an exercise of stock options scheduled for 03/25/2026. The filing states the sale method as cash and lists the security as Common Stock.

Who executed prior 10b5-1 sales listed in the TNGX filing?

The filing lists prior Rule 10b5-1 sales by Adam Crystal. Examples include 20,251 shares on 03/05/2026, 54,345 shares on 02/25/2026, and 18,452 shares on 02/03/2026.

Are dollar amounts reported for the prior 10b5-1 sales in the TNGX filing?

Yes. The excerpt shows proceeds for each 10b5-1 sale: $303,765.00 for 20,251 shares, $694,208.46 for 54,345 shares, and $226,300.30 for 18,452 shares, as listed by date.

Does the filing state who receives proceeds from the 93,000‑share sale?

The filing indicates the exercise is for cash, but it does not specify beneficiaries beyond the issuer action noted in the excerpt. The excerpt pairs the exercise with a sale method but provides no further proceeds allocation details.

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

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Accepted by SEC EDGAR 03/25/2026 - 04:24 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	0001825445
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	TANGO THERAPEUTICS INC
SEC File Number	001-39485
Address of Issuer	201 BROOKLINE AVENUE, SUITE 901 BOSTON MASSACHUSETTS 02215
Phone	8573204900
Name of Person for Whose Account the Securities are To Be Sold	ADAM CRYSTAL
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	93000	1811640.00	142688851	03/25/2026	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	03/25/2026	Exercise of Stock Options	Issuer			93000	03/25/2026	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 ADAM CRYSTAL 201 BROOKLINE AVENUE, SUITE 901 BOSTON MA 02215	Common	03/05/2026	20251	303765.00
10b5-1 Sales for ADAM CRYSTAL 201 BROOKLINE AVENUE, SUITE 901 BOSTON MA 02215	Common	02/25/2026	54345	694208.46
10b5-1 Sales for ADAM CRYSTAL 201 BROOKLINE AVENUE, SUITE 901 BOSTON MA 02215	Common	02/03/2026	18452	226300.30

144: Remarks and Signature

Remarks	The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
Date of Notice	03/25/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	10/27/2025
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/ Adam Crystal
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)