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ETON · Current Report (Form 8-K) · Filed May 14, 2026

Eton Pharmaceuticals Inc — Current Report (Form 8-K)

Form
8-K
Filed
May 14, 2026
Period
May 14, 2026
Ticker
ETON
Accession
0001437749-26-017063
Boardroom Alpha · Filing insights

Eton announces Q1 2026 results via press release; discusses non-GAAP Adjusted EBITDA.

About Eton Pharmaceuticals Inc
Market cap
$751M
1Y TSR
+101.1%
3Y TSR
+101.3%
Board grade
C+
Sector
Healthcare
CEO
Sean Brynjelsen
Last annual meeting: Jun 9, 2026 · View full Eton Pharmaceuticals Inc profile →
eton20260322_8k.htm
 
 
 
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
 
May 14, 2026
 
Date of Report (Date of earliest event reported)
 
 
 
ETON PHARMACEUTICALS, INC.
 
(Exact name of registrant as specified in its charter)
 
Delaware
 
001-38738
 
37-1858472
(State
 
(Commission
 
(I.R.S. Employer
of incorporation)
 
File Number)
 
Identification Number)
 
 
21925 W. Field Parkway, Suite 235
 
 
Deer Park, Illinois 60010-7278
 
 
(Address of principal executive offices) (Zip code)
 
 
(847) 787-7361
 
 
(Registrants telephone number, including area code)
 
 
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
 
ETON
 
NASDAQ Global 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 2.02 Results of Operations and Financial Condition.
 
On May 14, 2026, Eton Pharmaceuticals, Inc. issued a press release announcing its financial results for the first quarter ended March 31, 2026. A copy of the press release is attached hereto as Exhibit 99.1.
 
The information in this Item 2.02 and the attached Exhibit 99.1 are being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in this Item 2.02 and the attached exhibit shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.
 
Discussion of Non-GAAP Financial Measures
 
In the Press Release, we present certain financial information, specifically Adjusted EBITDA, which is not in accordance with generally accepted accounting principles (“U.S. GAAP”). We present Adjusted EBITDA in the Press Release because this metric assists us in comparing our performance across reporting periods on a consistent basis by excluding items that we do not believe are indicative of our core operating performance. Our management uses Adjusted EBITA:
 
for planning purposes, including the preparation of our annual operating budget and developing and refining our internal projections for future periods;
   
to evaluate the effectiveness of our business strategies and as a supplemental tool in evaluating our performance against our budget for each period;
   
in communication with our board of directors and investors concerning our financial performance;
   
to evaluate prior acquisitions in relation to the existing business; and 
   
to evaluate comparative net sales performance in prior and future periods.
 
We believe that the disclosure of Adjusted EBITDA offers an additional financial metric which, when coupled with U.S. GAAP results and the reconciliation to U.S. GAAP results, provides a more complete understanding of our results of operations and the factors and trends affecting our business for securities analysts, investors and other interested parties in the evaluation of our company. We believe Adjusted EBITDA is useful to investors for the following reasons:
 
Adjusted EBITDA and similar non-GAAP measures are widely used by investors to measure a company’s operating performance without regard to items that can vary substantially from company to company depending upon financing and accounting methods, book values of assets, tax jurisdictions, capital structures and the methods by which assets were acquired; and 
   
by comparing our Adjusted EBITDA in different historical periods, our investors can evaluate our operating performance excluding the impact of certain items.
 
Item 9.01 Financial Statements and Exhibits
 
Exhibit 99.1
 
104
 
Cover Page Interactive Data File (embedded within the Inline XBRL document)
 
2

 
 
 
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.
 
Date: May 14, 2026
By:  
/s/ James R. Gruber                                      
   
James R. Gruber
   
Chief Financial Officer and Secretary
   
(Principal Financial Officer)
 
3
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Reference

Frequently asked questions

When did Eton Pharmaceuticals Inc file this 8-K?
Eton Pharmaceuticals Inc (ETON) filed this Current Report (Form 8-K) with the SEC on May 14, 2026. The accession number assigned by EDGAR is 0001437749-26-017063.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Eton announces Q1 2026 results via press release; discusses non-GAAP Adjusted EBITDA. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Eton Pharmaceuticals Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Eton Pharmaceuticals Inc has filed under CIK 1710340, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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