4 insiders reported 7 Form 4 transactions for LIQTECH INTERNATIONAL INC (LIQT) over the past 18 months (most recent 2026-08-19). Recent activity: Wowk Robert (Director) Buy 50,000 shares, Bleichroeder LP (10% Owner) Buy 700,000 shares, Bleichroeder LP (10% Owner) Buy 3.0M shares, Kowalczyk David (CFO and COO) Buy 94,368 shares, Kowalczyk David (CFO and COO) Sell 5,589 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Wowk Robert | Director | Buy | 50,000 | $50,000 |
| 2026-06-09 | Bleichroeder LP | 10% Owner | Buy | 700,000 | $700,000 |
| 2026-06-09 | Bleichroeder LP | 10% Owner | Buy | 3.0M | $3.0M |
| 2026-01-13 | Kowalczyk David | CFO and COO | Buy | 94,368 | $0 |
| 2026-01-13 | Kowalczyk David | CFO and COO | Sell | 5,589 | $8,328 |
| 2026-01-13 | Chen Fei | Chief Executive Officer | Sell | 67,860 | $101,111 |
| 2025-09-16 | Chen Fei | Chief Executive Officer | Sell | 13,021 | $30,469 |
Source: SEC Form 4 filings · as of 2026-08-19