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Plus Therapeutics (NASDAQ: PSTV) back in line with Nasdaq bid rules

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Plus Therapeutics, Inc. reports that Nasdaq has confirmed the company has regained compliance with the exchange’s minimum bid price requirement for continued listing on The Nasdaq Capital Market. Nasdaq found that, from April 6 to April 17, 2026, the closing bid price of the company’s common stock was at or above $1.00 per share.

This followed a one-for-twenty-five reverse split of the company’s common stock, which became effective on April 2, 2026. The company issued a press release on April 21, 2026 announcing the compliance confirmation and noting that Nasdaq has advised the matter is now closed.

Positive

  • None.

Negative

  • None.
Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Reverse split ratio 1-for-25 Reverse split of common stock effective April 2, 2026
Minimum bid threshold $1.00 per share Nasdaq Listing Rule 5550(a)(2) requirement
Compliance measurement period 10 consecutive business days From April 6, 2026 to April 17, 2026
Compliance confirmation date April 20, 2026 Nasdaq Notification Letter date
Press release date April 21, 2026 Company announcement of Nasdaq compliance
minimum bid price requirement financial
"regained compliance with the minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2)"
A minimum bid price requirement is a rule that a stock must trade above a set price for a specified period to stay listed on an exchange. It matters to investors because falling below that threshold can trigger warnings or removal from the exchange, which can cut liquidity, reduce visibility, and often lead to sharper declines in share value—think of it like a venue’s minimum dress code that, if not met, can bar a performer from the stage.
Nasdaq Listing Rule 5550(a)(2) financial
"minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2)"
one-for-twenty-five reverse split financial
"following the implementation of a one-for-twenty-five reverse split of the Company’s common stock"
clinical-stage pharmaceutical company financial
"Plus Therapeutics, Inc. is a clinical-stage pharmaceutical company developing targeted radiotherapeutics"
leptomeningeal metastases medical
"lead programs in leptomeningeal metastases (LM) and recurrent glioblastoma (GBM)"
Leptomeningeal metastases occur when cancer cells spread to the thin layers of tissue covering the brain and spinal cord, similar to how weeds can invade the surface layer of soil. This condition often indicates advanced disease and can lead to serious neurological problems. For investors, the presence of such metastases may signal challenges in treatment options and can impact the outlook for related healthcare companies or research developments.
recurrent glioblastoma medical
"lead programs in leptomeningeal metastases (LM) and recurrent glioblastoma (GBM)"
Recurrent glioblastoma is a form of aggressive brain cancer that has returned or progressed after initial treatment, such as surgery, radiation or chemotherapy. It matters to investors because it represents a high unmet medical need with limited treatment options, so successful new therapies can change patient outcomes, command premium prices, and drive clinical, regulatory and commercial value—while failures carry significant clinical and financial risk.
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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

 

 


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 

 


FAQ

What did Plus Therapeutics (PSTV) announce in this 8-K filing?

Plus Therapeutics announced that Nasdaq confirmed the company has regained compliance with its minimum bid price requirement. Nasdaq determined the stock’s closing bid met the $1.00 per share threshold for ten consecutive business days, so the listing compliance matter is now considered closed.

How did Plus Therapeutics (PSTV) regain Nasdaq minimum bid price compliance?

Plus Therapeutics regained compliance after a one-for-twenty-five reverse stock split became effective on April 2, 2026. Following the split, Nasdaq observed the company’s shares closing at or above $1.00 per share for ten straight business days, satisfying Listing Rule 5550(a)(2).

What specific Nasdaq rule now applies to Plus Therapeutics (PSTV)?

Plus Therapeutics is now in compliance with Nasdaq Listing Rule 5550(a)(2), which sets the minimum bid price requirement. Nasdaq confirmed that, between April 6 and April 17, 2026, the company’s common stock closed at or above $1.00 per share for ten consecutive business days.

When did Plus Therapeutics’ reverse stock split take effect?

The one-for-twenty-five reverse split of Plus Therapeutics’ common stock became effective on April 2, 2026. This corporate action reduced the number of outstanding shares while proportionally increasing the share price, helping the stock meet Nasdaq’s $1.00 minimum bid price requirement.

What did Nasdaq communicate to Plus Therapeutics (PSTV) about the bid price issue?

Nasdaq notified Plus Therapeutics that the company has regained compliance with the minimum bid price rule and that the matter is now closed. This followed a review showing the closing bid price stayed at or above $1.00 per share for ten consecutive business days in April 2026.

What is Plus Therapeutics’ business focus mentioned in the disclosure?

Plus Therapeutics is described as a clinical-stage pharmaceutical company developing targeted radiotherapeutics for difficult-to-treat central nervous system cancers. Its lead programs focus on leptomeningeal metastases and recurrent glioblastoma, using image-guided local beta radiation and targeted drug delivery approaches.

Filing Exhibits & Attachments

2 documents