Welcome to our dedicated page for Ultralife SEC filings (Ticker: ULBI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Ultralife Corporation filings document an operating company whose common stock trades on Nasdaq under ULBI. Recent Form 8-K reports furnish quarterly financial results, segment commentary for Battery & Energy Products and Communications Systems, backlog disclosures, one-time cost items, and exhibits containing company press releases.
The filing record also includes Form 12b-25 notices tied to delayed annual and quarterly reports, including accounting and systems-transition work after the completed Electrochem Solutions acquisition. Other disclosures cover changes in the independent registered public accounting firm, internal control reporting, capital-stock details, governance approvals, and material-event reporting under Regulation S-K.
ULTRALIFE CORP director and 10% owner Bradford T. Whitmore reported indirect open-market purchases of the company’s common stock. Through Whitmore Holdings, LLC, he bought a total of 58,664 shares between August 19 and 21, 2025 at weighted average prices around $6.56–$6.63 per share, bringing Whitmore Holdings’ position to 1,128,731 shares.
The filing also lists other holdings associated with him, including 205,915 shares held directly, 4,452,283 shares held by Sunray I, LLC, and 518,616 shares held by Grace Brothers, LP, where he is described as an indirect beneficial owner.