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SELLAS Life Sciences (NASDAQ: SLS) reports cash and warrant proceeds

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

Rhea-AI Filing Summary

SELLAS Life Sciences Group, Inc. provides an update on its cash position and share count. The company had $107.1 million in cash and cash equivalents as of March 31, 2026. In April and May 2026, it received about $28.7 million from the exercise of common stock warrants, adding to its liquidity.

As of June 2, 2026, SELLAS had 196,632,574 shares of common stock outstanding, giving investors a clearer picture of the current capital structure.

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.
Cash and cash equivalents $107.1 million As of March 31, 2026
Warrant exercise proceeds $28.7 million Proceeds received in April and May 2026
Shares outstanding 196,632,574 shares Common stock outstanding as of June 2, 2026
Trading market The Nasdaq Stock Market LLC Listing venue for SLS common stock
Emerging growth company regulatory
"Emerging growth company"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
common stock warrants financial
"received approximately $28.7 million in proceeds from the exercise of common stock warrants"
Common stock warrants are tradable certificates that give the holder the right, but not the obligation, to buy a company’s common shares at a fixed price before a specified expiration date. They work like long-term options issued by the company and can provide cheaper, leveraged exposure to a stock’s potential upside; however, if holders use the warrants to buy shares, the total number of shares increases, which can dilute the value of existing shares.
cash and cash equivalents financial
"had $107.1 million of cash and cash equivalents"
Cash and cash equivalents are the money a company has on hand plus very short-term, low-risk investments that can be quickly turned into cash, like bank deposits or government bills. Investors watch this figure because it shows a company’s immediate ability to pay bills, cover unexpected costs, and fund operations or growth — like a household’s checking account and emergency fund that keeps daily life running smoothly.
Common Stock, $0.0001 par value per share financial
"Common Stock, $0.0001 par value per share | SLS"
Form 8-K regulatory
"Check the appropriate box below if the Form 8-K filing is intended"
A Form 8-K is a report that companies file with the government to share important news quickly, such as changes in leadership, major business deals, or financial updates. It matters because it helps investors stay informed about significant events that could affect the company's value or stock price.
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false 0001390478 0001390478 2026-06-02 2026-06-02 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

 

 

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): June 2, 2026

 

 

 

SELLAS Life Sciences Group, Inc.

(Exact name of registrant as specified in its charter)

 

 

 

Delaware   001-33958   20-8099512
(State or other jurisdiction of
incorporation or organization)
  (Commission
File Number)
  (I.R.S. Employer
Identification No.)
         
    7 Times Square, Suite 2503
New York, NY 10036
   
    (Address of Principal Executive
Offices) (Zip Code)
   
         
Registrant’s telephone number, including area code: (646) 200-5278

 

 

  

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations 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, $0.0001 par value per share SLS The Nasdaq Stock Market LLC

 

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 8.01Other Events

 

As previously reported, as of March 31, 2026, SELLAS Life Sciences Group, Inc. (the “Company”) had $107.1 million of cash and cash equivalents.

 

Subsequent to March 31, 2026, in April and May 2026, the Company received approximately $28.7 million in proceeds from the exercise of common stock warrants.

 

As of June 2, 2026, the Company had 196,632,574 shares of common stock outstanding.

 

Item 9.01.Financial Statements and Exhibits.

 

(d)       Exhibits

 

Exhibit Number   Description
104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

 

3

 

 

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.

  

  SELLAS Life Sciences Group, Inc.
       
Date: June 2, 2026 By: /s/ John T. Burns
      Name: John T. Burns
      Title: Senior Vice President, Chief Financial Officer

 

4

 

FAQ

What cash balance did SELLAS Life Sciences (SLS) report as of March 31, 2026?

SELLAS Life Sciences reported cash and cash equivalents of $107.1 million as of March 31, 2026. This figure represents the company’s available cash resources at quarter-end before later warrant exercise proceeds added further liquidity.

How much cash did SELLAS Life Sciences (SLS) receive from warrant exercises in April and May 2026?

SELLAS Life Sciences received approximately $28.7 million in proceeds from the exercise of common stock warrants in April and May 2026. These proceeds increased the company’s cash resources following the March 31, 2026 balance of $107.1 million.

How many SELLAS Life Sciences (SLS) shares were outstanding as of June 2, 2026?

As of June 2, 2026, SELLAS Life Sciences had 196,632,574 shares of common stock outstanding. This updated share count helps investors understand the company’s current equity base and potential dilution from recently exercised warrants.

What type of financial update did SELLAS Life Sciences (SLS) provide in this 8-K?

SELLAS Life Sciences provided a brief financial update on cash, warrant proceeds, and shares outstanding. It disclosed cash of $107.1 million as of March 31, 2026, additional warrant proceeds of $28.7 million, and 196,632,574 shares outstanding as of June 2, 2026.

Does the SELLAS Life Sciences (SLS) update mention its stock exchange listing?

Yes. The update notes that SELLAS Life Sciences’ common stock, with a par value of $0.0001 per share, trades under the symbol SLS on The Nasdaq Stock Market LLC, confirming its continued listing on this exchange.

Filing Exhibits & Attachments

3 documents