Adam Crystal files Form 144; TNGX insider sells 72,797 shares (TNGX)

Rhea-AI Filing Summary

Adam Crystal submitted a Form 144 reporting proposed dispositions of Common stock tied to option exercises and restricted stock units, and disclosing recent 10b5-1 sales. The filing lists an exercise of stock options for 15,000 shares on 03/05/2026 (cash), and restricted stock units totaling 5,251 with an award date of 02/03/2025.

The filing also reports completed 10b5-1 sales by Adam Crystal: 54,345 shares sold on 02/25/2026 for $694,208.46, and 18,452 shares sold on 02/03/2026 for $226,300.30.

Insights

Equity Compensation Analyst

Reported actions show option exercise plus 10b5-1 sales by the reporting person.

The filing documents a 15,000-share exercise of stock options with cash payment on 03/05/2026 and 5,251 restricted stock units (award date 02/03/2025).

It also lists two executed 10b5-1 sales: 54,345 shares for $694,208.46 on 02/25/2026 and 18,452 shares for $226,300.30 on 02/03/2026. Cash‑flow treatment for the exercise and RSUs is the issuer as listed; additional settlement detail or remaining proposed sale amounts are timing and amounts not provided in the excerpt.

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	20251	250099.85	142688851	03/05/2026	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	03/05/2026	Exercise of Stock Options	Issuer			15000	03/05/2026	Cash
Common	02/03/2025	Restricted Stock Units	Issuer			5251	02/03/2025	N/A

* 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	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

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 did Adam Crystal report on Form 144 for TNGX?

Adam Crystal reported proposed dispositions of common stock including an option exercise and RSUs. The filing lists a 15,000-share option exercise on 03/05/2026 and 5,251 restricted stock units with award date 02/03/2025.

How many shares did Adam Crystal sell under 10b5-1 and for how much?

Two 10b5-1 sales are disclosed totaling 72,797 shares. Sales include 54,345 shares for $694,208.46 on 02/25/2026 and 18,452 shares for $226,300.30 on 02/03/2026.

Who is listed as the broker or dealer on the filing?

Morgan Stanley Smith Barney LLC is listed as the securities intermediary. The filing shows the broker address as 1 New York Plaza, 8th Floor, New York, NY 10004 associated with the securities entries.

Does the filing state how the option exercise was settled?

The option exercise for 15,000 shares is labeled as a cash transaction. The extract explicitly lists the exercise on 03/05/2026 with the method marked as Cash.

Are the restricted stock units being sold or just listed?

The filing lists 5,251 restricted stock units with an award date of 02/03/2025. The line shows the RSUs under "Securities To Be Sold," but specific sale method or proceeds are not provided in the excerpt.