TNG Therapeutics (TNGX) insider schedules 81,000-share option-related stock sale

Rhea-AI Filing Summary

TNG Therapeutics Inc. insider Adam Crystal filed a notice to sell 81,000 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate value of $2,201,580.00, on August 3, 2026 following an exercise of stock options. The filing also lists prior Rule 10b5-1 sales totaling 54,000 shares between June and July 2026.

Key Figures

Planned shares to be sold: 81,000 shares Aggregate market value of planned sale: $2,201,580.00 Shares sold on July 1, 2026: 27,000 shares +4 more

7 metrics

Planned shares to be sold 81,000 shares Common stock sale planned for August 3, 2026

Aggregate market value of planned sale $2,201,580.00 Estimated value of 81,000 shares to be sold

Shares sold on July 1, 2026 27,000 shares Rule 10b5-1 sale on July 1, 2026

Proceeds from July 1, 2026 sale $798,907.20 Common stock sale under Rule 10b5-1

Shares sold on June 1, 2026 27,000 shares Rule 10b5-1 sale on June 1, 2026

Proceeds from June 1, 2026 sale $617,571.00 Common stock sale under Rule 10b5-1

Recent 3‑month shares sold 54,000 shares Sum of June 1 and July 1, 2026 Rule 10b5-1 sales

Key Terms

Form 144, Exercise of Stock Options, 10b5-1 Sales, Executive Financial Services

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Exercise of Stock Options financial

"Common | 08/03/2026 | Exercise of Stock Options | Issuer"

10b5-1 Sales regulatory

"10b5-1 Sales for ADAM CRYSTAL 201 BROOKLINE AVENUE"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services"

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

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Available on EDGAR 08/03/2026 - 04:47 PM Accepted by SEC EDGAR 08/03/2026 - 04:47 PM Learn about SEC filing dates

FAQ

What stock sale is disclosed for TNGX in this Form 144 filing?

The filing reports a planned sale of 81,000 shares of TNG Therapeutics common stock, with an aggregate value of $2,201,580.00, expected to occur on August 3, 2026 after an exercise of stock options.

Who is the selling security holder for TNGX in this Form 144?

The selling security holder is Adam Crystal, whose address is listed as 201 Brookline Avenue, Suite 901, Boston, MA 02215. The sale is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services.

How many TNGX shares has the insider sold in the past three months?

The filing shows prior Rule 10b5-1 sales totaling 54,000 shares of TNG Therapeutics common stock: 27,000 shares on June 1, 2026 and 27,000 shares on July 1, 2026.

What dollar amounts were realized in the recent TNGX stock sales?

The June 1, 2026 sale of 27,000 shares generated $617,571.00, and the July 1, 2026 sale of 27,000 shares generated $798,907.20, as reported for prior Rule 10b5-1 transactions.

On which market will the TNGX shares be sold under this Form 144?

The common shares of TNG Therapeutics to be sold are listed as trading on NASDAQ. The prospective sale of 81,000 shares is scheduled for August 3, 2026, following the exercise of stock options.

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	81000	2201580.00	144647982	08/03/2026	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	08/03/2026	Exercise of Stock Options	Issuer			81000	08/03/2026	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	07/01/2026	27000	798907.20
10b5-1 Sales for ADAM CRYSTAL 201 BROOKLINE AVENUE, SUITE 901 BOSTON MA 02215	Common	06/01/2026	27000	617571.00

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)