3 insiders reported 6 Form 4 transactions for LIQTECH INTERNATIONAL INC (LIQT) over the past 18 months (most recent 2026-06-09). Recent activity: Bleichroeder LP (Insider) Buy 700,000 shares, Bleichroeder LP (Insider) Buy 3.0M shares, Kowalczyk David (CFO and COO) Buy 94,368 shares, Kowalczyk David (CFO and COO) Sell 5,589 shares, Chen Fei (Chief Executive Officer) Sell 67,860 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-09 | Bleichroeder LP | Insider | Buy | 700,000 | $700,000 |
| 2026-06-09 | Bleichroeder LP | Insider | 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 2026-06-09