Form 8-K
8-K — PLUS THERAPEUTICS, INC.
Accession: 0001193125-26-165205
Filed: 2026-04-21
Period: 2026-04-20
CIK: 0001095981
SIC: 3841 (SURGICAL & MEDICAL INSTRUMENTS & APPARATUS)
Item: Other Events
Item: Financial Statements and Exhibits
Documents
8-K — pstv-20260420.htm (Primary)
EX-99.1 (pstv-ex99_1.htm)
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8-K
8-K (Primary)
Filename: pstv-20260420.htm · Sequence: 1
8-K
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): April 20, 2026
PLUS THERAPEUTICS, INC.
(Exact name of Registrant as Specified in Its Charter)
Delaware
001-34375
33-0827593
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
6420 LEVIT GREEN BOULEVARD
Suite 310
Houston, Texas
77021
(Address of Principal Executive Offices)
(Zip Code)
Registrant’s Telephone Number, Including Area Code: (737) 255-7194
(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 pursuant 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 $0.001 per share
PSTV
The Nasdaq Capital 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. ☐
Item 8.01 Other Events
On April 20, 2026, Plus Therapeutics, Inc. (the “Company”) received written notice (the “Notification Letter”) from The Nasdaq Stock Market LLC notifying the Company that it had regained compliance with the minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2) for continued listing on The Nasdaq Capital Market (“Nasdaq”). The Notification Letter was sent following the implementation of a one-for-twenty-five reverse split of the Company’s common stock (the “Reverse Split”), which became effective on April 2, 2026. Additional information regarding the Reverse Split can be found in the Company’s Current Report on Form 8-K filed on April 2, 2026.
On April 21, 2026, the Company issued a press release announcing receipt of the Notification Letter and regained compliance with Nasdaq’s minimum bid price requirement. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit
Number
Description
99.1
Press Release dated April 21, 2026.
104
Cover Page Interactive Data File (embedded within the Inline XBRL document)
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.
PLUS THERAPEUTICS, INC.
Date:
April 21, 2026
By:
/s/ Marc H. Hedrick, M.D.
Marc H. Hedrick, M.D.
President and Chief Executive Officer
EX-99.1
EX-99.1
Filename: pstv-ex99_1.htm · Sequence: 2
EX-99.1
Exhibit 99.1
Plus Therapeutics Regains Compliance with Nasdaq Minimum Bid Price Requirement
HOUSTON, Texas, April 21, 2026 – Plus Therapeutics, Inc. (Nasdaq: PSTV) (the “Company”), a healthcare company developing and commercializing precision diagnostics and radiopharmaceuticals for central nervous system (CNS) cancers, today announced that it has received notification from The Nasdaq Stock Market LLC (“Nasdaq”) confirming the Company has regained compliance with the minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2).
Nasdaq determined that, for the 10 consecutive business days from April 6, 2026 to April 17, 2026, the closing bid price of the Company’s common stock was at or above $1.00 per share. Accordingly, Nasdaq has advised that the matter is now closed.
About Plus Therapeutics
Headquartered in Houston, Texas, Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company developing targeted radiotherapeutics for difficult-to-treat cancers of the central nervous system with the potential to enhance clinical outcomes. Combining image-guided local beta radiation and targeted drug delivery approaches, the Company is advancing a pipeline of product candidates with lead programs in leptomeningeal metastases (LM) and recurrent glioblastoma (GBM). The Company has built a supply chain through strategic partnerships that enable the development, manufacturing and future potential commercialization of its products.
Investor Contact
CORE IR
investor@plustherapeutics.com
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