Welcome to our dedicated page for Guerrilla RF SEC filings (Ticker: GUER), 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.
Guerrilla RF, Inc. filings document the formal disclosures of an OTCQX radio frequency and microwave semiconductor company. Recent Form 8-K reports furnish quarterly and annual operating results, including revenue trends, gross margin, operating cash flow, backlog, catalog-product activity, cost controls, and management commentary on profitability.
The company’s regulatory record also includes material-agreement disclosures for amended loan arrangements and proxy materials for annual-meeting governance, director elections, and auditor ratification. These filings describe capital-structure obligations, board and stockholder voting matters, and the reporting status of a company whose cited reports state that it has no securities registered under Section 12(b) of the Exchange Act.
Bleichroeder LP and related entities report a significant holding in Guerrilla RF, Inc. common stock. Bleichroeder LP, Bleichroeder Holdings LLC, and Andrew Gundlach each report beneficial ownership of 714,676 Guerrilla RF common shares, representing 6.47% of the class believed to be outstanding.
The reported position consists of 314,676 common shares and 400,000 shares issuable upon exercise of warrants. Each reporting person has sole voting and sole dispositive power over the 714,676 shares, with no shared voting or dispositive power. Bleichroeder LP holds these securities as an investment adviser for various clients, who ultimately have rights to dividends and sale proceeds.
Guerrilla RF, Inc. has a significant shareholder disclosure from Laurence W. Lytton in an amended Schedule 13G. Lytton reports beneficial ownership of 1,096,690 shares of Common Stock, representing 9.99% of the class, based on 10,643,247 shares outstanding as of May 12, 2026.
The position includes 762,054 shares of Common Stock and warrants to purchase 400,000 shares, which are subject to a 9.99% beneficial ownership limitation. Lytton has sole voting and dispositive power over 672,456 shares and shared voting and dispositive power over 424,234 shares, indicating both individually and jointly controlled holdings.
Guerrilla RF, Inc., a fabless RF semiconductor company, reported strong top-line growth for the quarter ended June 30, 2026. Revenue rose to $8.0 million, up 49% from $5.4 million a year earlier, driven by catalog products and aerospace and defense demand.
Gross profit increased to $5.7 million with gross margin of about 70.9%. Operating income was $1.0 million versus a prior-year operating loss, as operating expenses fell slightly to $4.7 million despite higher sales. For the first six months, revenue reached $14.5 million and operating income was $0.9 million.
Net loss for the quarter widened to $2.2 million, mainly due to a non-cash $3.0 million loss from the change in fair value of warrant liabilities. Cash provided by operating activities was $1.2 million year-to-date, and cash stood at $4.6 million with total debt of about $5.7 million and warrant liabilities of $5.1 million, contributing to a stockholders’ deficit of $18.8 million. Management states existing cash and credit availability are expected to fund operations for at least twelve months.
Guerrilla RF, Inc. reported record second-quarter 2026 revenue of $8.0 million, up 49% from $5.4 million, led by 142% growth in its catalog business to $5.0 million and aerospace and defense revenue that more than quadrupled to $2.2 million. Infrastructure revenue increased 97% to $1.1 million, while automotive revenue declined 28% to $1.9 million.
Gross profit rose to $5.7 million and gross margin expanded to 70.9%, helping turn an operating loss of $1.4 million a year earlier into operating income of $1.0 million as operating expenses fell 3% to $4.7 million. Net loss widened to $2.2 million, primarily due to a $3.0 million non-cash loss from the change in fair value of warrant liabilities compared with a $1.1 million non-cash gain previously. Operating cash flow improved to $2.4 million from ($1.1 million), cash ended at $4.6 million, and product backlog more than doubled to $13.6 million. The company is actively evaluating a potential uplisting to the Nasdaq Stock Market, subject to market conditions, applicable listing requirements and board approval, with no assurance it will be pursued or completed.
Guerrilla RF director and 10% owner Todd B. Hammer reported exercising stock options for 15,625 shares of common stock at an exercise price of $3.05 per share. Following this option exercise, he directly holds 32,292 common shares.
The filing also shows large indirect derivative positions in entities associated with him. NR-PRL Partners, LP holds common stock purchase warrants convertible into 2,885,246 common shares at $3.05 per share and Series A convertible preferred stock convertible into 7,213,115 common shares at a conversion price of $327.87. These securities are held by NR-PRL Partners, LP and its general partner NR-PRL Partners GP, LLC, and Hammer disclaims beneficial ownership except to the extent of his pecuniary interest.
Guerrilla RF director and 10% owner Thomas B. Ellis exercised stock options into additional common shares. He exercised options for 15,625 shares of common stock at an exercise price of $3.05 per share, bringing his directly held common stock to 32,292 shares.
Separately, an entity associated with Ellis, NR-PRL Partners, LP, indirectly holds common stock purchase warrants convertible into 2,885,246 shares of common stock at an exercise price of $3.05 per share, expiring on February 5, 2030. It also indirectly holds Series A Convertible Preferred Stock convertible into 7,213,115 shares of common stock, which has no expiration date.
Ellis disclaims beneficial ownership of the indirectly held securities except to the extent of his pecuniary interest, meaning those large positions are attributed primarily to NR-PRL Partners structures rather than to him personally.
Guerrilla RF director James E. Dunn, Jr. reported exercising stock options to acquire a total of 6,155 shares of Guerrilla RF common stock on June 11, 2026. The exercises converted options at strike prices of $2.20, $1.93, and $1.42 per share into common shares.
After these transactions, he directly owns 50,791 shares of common stock. He also has indirect holdings of 5,002 common shares and 834 warrants held by the James E. Dunn, Jr. Restated 1985 Revocable Trust for his benefit.
Following the exercises, Dunn still holds unexercised equity awards, including stock options over 15,625 shares at an exercise price of $3.05 and options over 2,464 shares at $3.19, as well as 834 warrant-underlying shares at an exercise price of $12.00.
Guerrilla RF, Inc. reported the results of its Annual Meeting held on June 3, 2026. Stockholders elected David Bell and Todd B. Hammer as directors for three-year terms, with 12,422,532 and 12,430,071 shares voted "For," respectively, plus broker non-votes.
Stockholders also ratified the appointment of Forvis Mazars, LLP as the company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, with 14,076,449 shares voted "For," 12,597 "Against," and 314 "Abstained."
Guerrilla RF, Inc. director David B. Bell reported a compensation-related grant of stock options. He received 15,625 stock options for common stock at an exercise price of $3.05 per share, expiring on May 15, 2036.
Bell is also shown as directly holding 32,662 shares of common stock and a fully vested option for 3,696 shares with a $3.19 exercise price expiring on December 3, 2030. The filing reflects holdings and an option grant, not any open‑market buying or selling.
Guerrilla RF director and 10% owner Todd B. Hammer reported a stock option grant for 15,625 shares of Common Stock at an exercise price of $3.05 per share. These options were awarded as compensation on May 15, 2026 and expire on May 15, 2036.
The filing also lists indirect positions held through NR-PRL Partners, LP and its general partner, including Common Stock purchase warrants and Series A Convertible Preferred Stock that are convertible into 2,885,246 and 7,213,115 shares of Common Stock, respectively. Hammer disclaims beneficial ownership of these indirect securities except to the extent of his pecuniary interest.