STTK director files Form 144 to sell 100 shares

Abhinav A. Shukla reports a proposed sale of 100 shares of Common Stock via a Form 144 notice dated 07/01/2026.

Rhea-AI Filing Summary

Abhinav A. Shukla reports a proposed sale of 100 shares of Common Stock via a Form 144 notice dated 07/01/2026. The filing lists the transaction as a stock option exercise with cash used for payment.

The disclosure also shows prior sales during the past three months: 2,032 shares on 05/12/2026 with proceeds $14,235.58, and 23,365 shares on 06/30/2026 with proceeds $165,468.59. The broker/dealer listed is Fidelity Brokerage Services LLC.

Insights

Securities Attorney

Form 144 registers a planned sale of 100 shares following option exercise.

The filing documents a proposed disposition of 100 shares on 07/01/2026

Past sales of 2,032 and 23,365 shares are listed with proceeds; cash‑flow treatment for the current sale is stated as Cash. Timing and execution depend on applicable resale rules and broker handling.

Corporate Governance Analyst

This is a routine insider resale notice with prior recent dispositions listed.

The notice records a stock option exercise as the method of acquiring the 100 shares to be sold. The broker is identified as Fidelity Brokerage Services LLC.

Disclosure of prior 3‑month sales provides context for recent insider activity; further filings would show completion details.

Key Figures

Proposed sale: 100 shares Prior sale (May): 2,032 shares Proceeds (May): $14,235.58 +3 more

6 metrics

Proposed sale 100 shares proposed sale dated 07/01/2026

Prior sale (May) 2,032 shares sale dated 05/12/2026

Proceeds (May) $14,235.58 proceeds from 05/12/2026 sale

Prior sale (June) 23,365 shares sale dated 06/30/2026

Proceeds (June) $165,468.59 proceeds from 06/30/2026 sale

Broker/Dealer Fidelity Brokerage Services LLC listed on the Form 144 cover data

Key Terms

Form 144, Stock Option Exercise, Cash, Broker/Dealer

4 terms

Form 144 regulatory

"proposed sale of 100 shares via a Form 144 notice"

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.

Stock Option Exercise financial

"Securities To Be Sold: Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Cash financial

"Securities To Be Sold: Cash"

Broker/Dealer market

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

A broker/dealer is a firm or person that both carries out trades for clients (broker) and buys or sells securities from its own inventory (dealer). Think of it as a shop that can take customer orders and also sell items off its own shelves. Investors care because broker/dealers connect buyers and sellers, influence the price and speed of trades, hold securities or cash for short periods, and can create conflicts of interest that affect trade cost and reliability.

FAQ

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

What does Abhinav A. Shukla's Form 144 for STTK report?

It reports a proposed sale of 100 shares of Common Stock dated 07/01/2026. The filing states the shares arise from a stock option exercise and lists prior sales in May and June 2026 with proceeds shown.

How many shares were sold by the filer in the past three months?

The filing lists two prior sales: 2,032 shares on 05/12/2026 and 23,365 shares on 06/30/2026. Proceeds for those sales are shown as $14,235.58 and $165,468.59, respectively.

What method and broker are shown for the proposed STTK sale?

The proposed sale is described as occurring after a stock option exercise and the payment method is listed as Cash. The broker/dealer named is Fidelity Brokerage Services LLC at the address provided.

Does the Form 144 show completion of the 100‑share sale?

The notice records a proposed sale dated 07/01/2026 but does not state completion. The filing lists the intended sale method and prior three‑month sales; consummation details would appear in subsequent reports.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 07/01/2026 - 04:19 PM 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	0001923377
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	Shattuck Labs, Inc.
SEC File Number	001-39593
Address of Issuer	500 W. 5TH STREET AUSTIN TEXAS 78701
Phone	512-900-4690
Name of Person for Whose Account the Securities are To Be Sold	Shukla Abhinav A.
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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	100	707.00	76680517	07/01/2026	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	07/01/2026	Stock Option Exercise	Issuer			100	07/01/2026	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
Abhinav A. Shukla 500 W. 5th Street Suite 1200 Austin TX 78701	Common	05/12/2026	2032	14235.58
Abhinav A. Shukla 500 W. 5th Street Suite 1200 Austin TX 78701	Common	06/30/2026	23365	165468.59

144: Remarks and Signature

Remarks
Date of Notice	07/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/02/2026
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/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Abhinav A. Shukla
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)