[8-K/A] Shattuck Labs, Inc. Amends Material Event Report

Rhea-AI Filing Summary

Shattuck Labs (STTK) filed an 8-K/A (Amendment No. 1) to correct typographical errors in a previously filed 8-K. The amendment covers Item 2.02 relating to a press release announcing financial results for the quarter ended September 30, 2025, which is furnished as Exhibit 99.1.

The company notes that, under General Instruction B.2, the Item 2.02 information and Exhibit 99.1 are furnished, not filed. The filing also lists Exhibit 104, the cover page formatted in Inline XBRL.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

0001680367TRUEThis Amendment to the Current Report on Form 8-K filed with the Securities and Exchange Commission on November 6, 2025 (the “Original 8-K”) is being filed to correct typographical errors in the Original 8-K.00016803672025-11-062025-11-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K/A

(Amendment No. 1)

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 6, 2025

Shattuck Labs, Inc.

(Exact name of registrant as specified in its charter)

Delaware			001-39593			81-2575858
(State or other jurisdiction of incorporation or organization)			(Commission File Number)			(I.R.S. Employer Identification Number)

500 W. 5th Street, Suite 1200

Austin, TX 78701

(Address of principal executive offices including zip code)

(512) 900-4690

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuance to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, par value $0.0001 per share			STTK			The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging Growth Company			☒
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act			☐

Explanatory Note:

This Amendment to the Current Report on Form 8-K filed with the Securities and Exchange Commission on November 6, 2025 (the “Original 8-K”) is being filed to correct typographical errors in the Original 8-K.

Item 2.02 Results of Operations and Financial Condition.

On November 6, 2025, Shattuck Labs, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

As provided in General Instruction B.2 of Form 8-K, the information in this Item 2.02 and Exhibit 99.1 incorporated herein shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall such information or Exhibit 99.1 be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

Exhibits

Exhibit Number						Description of Exhibit
99.1						Press release issued by Shattuck Labs, Inc. regarding its financial results for the quarter ended September 30, 2025, dated November 6, 2025.
104						The cover page from the Company’s Current Report on Form 8-K formatted in Inline XBRL.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			Shattuck Labs, Inc.
Date: November 6, 2025			By:			/s/ Dr. Taylor Schreiber
						Dr. Taylor Schreiber Chief Executive Officer (principal executive officer)

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FAQ

What did Shattuck Labs (STTK) file?

An 8-K/A (Amendment No. 1) correcting typographical errors in a previously filed 8-K.

Which disclosure item is included in this amendment for STTK?

It addresses Item 2.02 – Results of Operations and Financial Condition.

What period does the furnished press release cover for STTK?

The quarter ended September 30, 2025.

How is the press release treated under SEC rules?

It is furnished, not filed, pursuant to General Instruction B.2.

Which exhibits are included with this STTK 8-K/A?

Exhibit 99.1 (press release) and Exhibit 104 (cover page in Inline XBRL).

When is the date of report for this STTK filing?

November 6, 2025.