Every Form 4 that LiqTech International, Inc. (LIQT) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow LIQT and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full LIQT filings page.
LIQTECH INTERNATIONAL INC (LIQT) director Robert Wowk reported buying common shares. On 2026-06-05, he purchased 50,000 shares of common stock in an open market or private transaction at $1.00 per share. Following this transaction, he directly owns 50,000 common shares. The filing indicates the trade was not made under a Rule 10b5-1 trading plan.
Bleichroeder LP–advised funds increased their indirect stake in LIQTECH INTERNATIONAL INC. 21 April Fund, Ltd. and 21 April Fund, LP agreed to buy 700,000 shares of Common Stock at $1.00 per share in the issuer’s underwritten public offering. In a separate transaction, the issuer cancelled $3,000,000 in promissory note principal in exchange for 3,000,000 shares of Common Stock issued to the funds. Following these transactions, the funds indirectly associated with Bleichroeder LP held 6,882,239 shares of LIQT Common Stock. Bleichroeder LP files as investment adviser to the funds and disclaims beneficial ownership beyond its pecuniary interest.
LiqTech International CEO and director Chen Fei reported a tax-related share withholding tied to equity compensation. On January 3, 2026, 67,860 shares of common stock were withheld by the company at a price of $1.49 per share in connection with the net settlement of vesting restricted stock units to cover withholding taxes.
Following this transaction, Chen Fei beneficially owned 417,898 shares of LiqTech International common stock directly. A prior Form 4 filed on January 7, 2025 had reported tax withholding from a vesting of 28,394 shares, but 12,835 of those shares were not included in the reported post-transaction balance; that omission is now corrected in the current share balance.
LiqTech International CFO and COO David Kowalczyk reported equity compensation activity in the company’s common stock. On December 19, 2025, he was awarded 94,368 shares of common stock underlying restricted stock units, which will vest in equal parts on January 3, 2026, January 3, 2027 and January 3, 2028.
On January 3, 2026, 5,589 shares were withheld by the company at a price of $1.49 per share to cover withholding taxes on the initial RSU vesting. After these transactions, Kowalczyk directly beneficially owned 88,779 shares of LiqTech common stock.