Adage Capital Partners Discloses 5.0% Stake in Shattuck Labs

TL;DR

**Adage Capital just bought 5% of Shattuck Labs, signaling institutional confidence.**

AI Summary

Adage Capital Partners, L.P., a Delaware-based investment firm, reported a significant stake in Shattuck Labs, Inc. (NASDAQ: STTK) as of January 17, 2024. Adage now beneficially owns 2,577,705 shares of Shattuck Labs' Common Stock, representing 5.0% of the company's outstanding shares. This matters to investors because a major institutional investor like Adage taking a 5% stake can signal confidence in Shattuck Labs' future prospects, potentially attracting more investor interest and influencing stock performance.

Why It Matters

This filing reveals a major institutional investor, Adage Capital Partners, has acquired a significant stake in Shattuck Labs, which can be seen as a vote of confidence in the company's value and future growth.

Risk Assessment

Risk Level: low — The filing indicates a new institutional investor stake, which is generally a positive or neutral event for existing shareholders.

Analyst Insight

A smart investor would view Adage Capital Partners' 5.0% stake as a positive signal, suggesting institutional confidence in Shattuck Labs, and might consider further research into the company's fundamentals and recent developments.

Key Numbers

• 2,577,705 — Shares Beneficially Owned (Adage Capital Partners, L.P.'s total shares in Shattuck Labs, Inc.)
• 5.0% — Percentage of Class (Adage Capital Partners, L.P.'s ownership stake in Shattuck Labs, Inc.)
• January 17, 2024 — Event Date (The date Adage Capital Partners, L.P. crossed the 5% ownership threshold in Shattuck Labs, Inc.)

Key Players & Entities

• Adage Capital Partners, L.P. (company) — reporting person and beneficial owner
• Shattuck Labs, Inc. (company) — subject company (issuer)
• 2,577,705 (dollar_amount) — number of shares beneficially owned
• 5.0% (dollar_amount) — percentage of class beneficially owned
• January 17, 2024 (date) — date of event requiring filing
• Delaware (company) — place of organization for Adage Capital Partners, L.P.

Forward-Looking Statements

• Shattuck Labs' stock price may see increased attention from institutional investors. (Shattuck Labs, Inc.) — medium confidence, target: Q1 2024
• Adage Capital Partners may increase its stake in Shattuck Labs if the company's performance is strong. (Adage Capital Partners, L.P.) — low confidence, target: Q3 2024

FAQ

Key Financial Figures

• $0.0001 — me of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securitie

Filing Documents

• p24-0381sc13g.htm (SC 13G) — 96KB
• 0000902664-24-000753.txt ( ) — 97KB

(a)

Item 1(a). NAME OF ISSUER The name of the issuer is Shattuck Labs, Inc. (the “ Company ”).

(b)

Item 1(b). ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES The Company’s principal executive offices are located at 500 W. 5th Street, Suite 1200, Austin, TX 78701.

(a)

Item 2(a). NAME OF PERSON FILING This statement is filed by: (i) Adage Capital Partners, L.P., a Delaware limited partnership (“ ACP ”) with respect to the Common Stock directly owned by it; (ii) Adage Capital Partners GP, L.L.C., a limited liability company organized under the laws of the State of Delaware (“ ACPGP ”), as general partner of ACP with respect to the Common Stock directly owned by ACP; (iii) Adage Capital Management, L.P., a Delaware limited partnership (“ ACM ”), as the investment manager of ACP, with respect to the Common Stock directly owned by ACP; (iv) Robert Atchinson (“ Mr. Atchinson ”), as (1) managing member of Adage Capital Advisors, L.L.C., a limited liability company organized under the laws of the State of Delaware (“ ACA ”), managing member of ACPGP and (2) managing member of Adage Capital Partners LLC, a Delaware limited liability company (“ ACPLLC ”), general partner of ACM, with respect to the Common Stock directly owned by ACP; and (v) Phillip Gross (“ Mr. Gross ”), as (1) managing member of ACA, managing member of ACPGP and (2) managing member of ACPLLC, general partner of ACM, with respect to the Common Stock directly owned by ACP. The foregoing persons are hereinafter sometimes collectively referred to as the “ Reporting Persons .” Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. The filing of this statement should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the securities reported herein.

(b)

Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE The address of the business office of each of the Reporting Persons is 200 Clarendon Street, 52nd Floor, Boston, Massachusetts 02116.

(c)

Item 2(c). CITIZENSHIP ACP and ACM are limited partnerships organized under the laws of the State of Delaware. ACPGP is a limited liability company organized under the laws of the State of Delaware. Messrs. Gross and Atchinson are citizens of the United States.

(d)

Item 2(d). TITLE OF CLASS OF SECURITIES Common Stock, par value $0.0001 per share (the “ Common Stock ”). CUSIP No. 82024L103 13G Page 8 of 11 Pages

(e)

Item 2(e). CUSIP NUMBER 82024L103 Item 3. IF THIS STATEMENT IS FILED PURSUANT TO Rules 13d-1(b), OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: (a) Broker or dealer registered under Section 15 of the Act; (b) Bank as defined in Section 3(a)(6) of the Act; (c) Insurance company as defined in Section 3(a)(19) of the Act; (d) Investment company registered under Section 8 of the Investment Company Act of 1940; (e) An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J); (k) Group, in accordance with Rule 13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: Not applicable . Item 4. The information required by Items 4(a) – (c) is set forth in Rows (5) – (11) of the cover page for each Reporting Person hereto and is incorporated herein by reference for each such Reporting Person. The percentage set forth in this Schedule 13G is calculated based upon 47,136,648 shares of Common Stock reported to be outstanding in the Company’s Prospectus Supplement filed pursuant to Rule 424(b)(5) filed with the Securities and Exchange Commission on December 22, 2023, after giving effect to the completion of the offering, as described therein. Item 5. Not applicable. CUSIP No. 82024L103 13G Page 9 of 11 Pages Item 6.

SIGNATURES

SIGNATURES After reasonable inquiry and to the best of his or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. DATE: January 29, 2024 ADAGE CAPITAL PARTNERS, L.P. By: Adage Capital Partners GP, L.L.C., its general partner By: Adage Capital Advisors, L.L.C., its managing member /s/ Robert Atchinson Name: Robert Atchinson Title: Managing Member ADAGE CAPITAL PARTNERS GP, L.L.C. By: Adage Capital Advisors, L.L.C., its managing member /s/ Robert Atchinson Name: Robert Atchinson Title: Managing Member ADAGE CAPITAL MANAGEMENT, L.P. By: Adage Capital Partners LLC, its general partner /s/ Robert Atchinson Name: Robert Atchinson Title: Managing Member /s/ Robert Atchinson ROBERT ATCHINSON, individually /s/ Phillip Gross PHILLIP GROSS, individually CUSIP No. 82024L103 13G Page 11 of 11 Pages EXHIBIT 1 JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate. DATE: January 29, 2024 ADAGE CAPITAL PARTNERS, L.P. By: Adage Capital Partners GP, L.L.C., its general partner By: Adage Capital Advisors, L.L.C., its managing member /s/ Robert Atchinson Name: Robert Atchinson Title: Managing Member ADAGE CAPI

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