[144] Tango Therapeutics, Inc. SEC Filing

Rhea-AI Filing Summary

Tango Therapeutics, Inc. (TNGX) filing a Form 144 notifies of a proposed sale of 1,100,000 common shares — an aggregate market value of $7,656,000.00 — to be executed through BTIG, LLC on the NASDAQ GM with an approximate sale date of 08/19/2025. The shares were acquired as a Pre-IPO investment from Tango Therapeutics Inc. on 03/23/2017, paid via wire. The filer reports no securities sold in the past three months and certifies no undisclosed material adverse information. The notice follows Rule 144 disclosure requirements for proposed insider or affiliate sales.

Insights

Securities Analyst

TL;DR: Form 144 reports a proposed sale of 1.1M pre-IPO shares valued at $7.656M to be brokered by BTIG on NASDAQ GM.

The filing is a routine Rule 144 disclosure that informs the market of an affiliate's intent to sell restricted or control securities. Key facts: 1,100,000 shares, aggregate market value $7,656,000.00, approximate sale date 08/19/2025, broker BTIG, LLC. The shares were acquired 03/23/2017 as a pre-IPO investment and payment was by wire. No sales reported in the prior three months. For investors this clarifies potential near-term supply available to the market but does not itself provide operational or financial performance information.

Corporate Governance Specialist

TL;DR: Disclosure complies with Rule 144; it documents provenance and planned disposition but contains no new operational developments.

The filing satisfies regulatory transparency by listing acquisition date, nature of acquisition (pre-IPO), broker details, and method of payment. It includes the filer's representation that no undisclosed material adverse information exists. The notice contains no information about changes in control, agreements, or trading plans. As such, it is a compliance-focused disclosure rather than a material corporate event.

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	BTIG, LLC 350 Bush St. 9th floor San Francisco CA 94104	1100000	7656000.00	111260247	08/19/2025	NASDAQ GM

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	03/23/2017	Pre-IPO investment	Tango Therapeutics Inc			1100000	03/23/2017	Wire

* 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

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)