Insider Transactions Reported by 12 Insiders of LIQTECH INTERNATIONAL INC

Symbol: LIQT on Nasdaq
Location: Ballerup, Denmark

Quick Takeaways

LIQT - LIQTECH INTERNATIONAL INC has 12 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are available for direct filing-level review.

What Changed

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Apr 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

LIQTECH INTERNATIONAL INC executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Laurence W. Lytton	10%+ Owner	$16,589,051	Mixed	13 May 2022
Bleichroeder LP	10%+ Owner	$11,169,659	Mixed	26 Mar 2025
Mark Vernon	Director	$2,963,678	Mixed	03 Jan 2023
Alexander J. Buehler	Director	$874,455	Mixed	07 Jan 2025
Fei Chen	Chief Executive Officer, Director	$622,668	Mixed	03 Jan 2026
Simon Seidelin Stadil	Chief Financial Officer	$497,521	Mixed	03 Jan 2024
Peyton Boswell	Director	$226,840	Mixed	07 Jan 2025
David Kowalczyk	CFO and COO	$132,280	Mixed	19 Dec 2025
Richard A. Meeusen	Director	$125,815	Mixed	07 Jan 2025
Martin Kunz	Director	$91,477	Mixed	07 Jan 2025
Phillip Massie Price	Interim CFO	$48,255	Mixed	06 May 2024
Mathiesen Sune	Chief Executive Officer, Director		Mixed	03 Jan 2022

Top shareholders of LIQTECH INTERNATIONAL INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Laurence W. Lytton	3/4/5 13D/G	10%+ Owner · Lytton-Kambara Foundation	10% from 13D/G	13,284,848 mixed-class rows	$16,589,051	—	13 May 2022	3/4/5 13D/G
Bleichroeder LP	3/4/5 13D/G 13F	10%+ Owner · Company	34% from 13D/G	3,713,489 mixed-class rows	$11,169,659	—	26 Mar 2025	3/4/5 13D/G 13F
Mark Vernon	3/4/5	Director	— class O/S missing	917,093	$2,963,678	—	03 Jan 2023	3/4/5
Andrews Ben	13D/G	—	9%	852,600	$1,372,686	$0	31 Dec 2024	13D/G
Alexander J. Buehler	3/4/5	Director	— class O/S missing	467,623	$874,455	—	07 Jan 2025	3/4/5
Fei Chen	3/4/5	Chief Executive Officer, Director	3.9%	417,898	$622,668	—	03 Jan 2026	3/4/5
Simon Seidelin Stadil	3/4/5	Chief Financial Officer	— class O/S missing	141,744	$497,521	—	03 Jan 2024	3/4/5
MORGAN STANLEY	13F	Company	2.6%	279,303	$407,782	—	31 Dec 2025	13F
Peyton Boswell	3/4/5	Director	— class O/S missing	121,305	$226,840	—	07 Jan 2025	3/4/5
David Kowalczyk	3/4/5	CFO and COO	0.84%	88,779	$132,280	—	19 Dec 2025	3/4/5
Richard A. Meeusen	3/4/5	Director	— class O/S missing	67,281	$125,815	—	07 Jan 2025	3/4/5
VANGUARD GROUP INC	13F	Company	0.67%	71,145	$103,872	—	31 Dec 2025	13F
Martin Kunz	3/4/5	Director	— class O/S missing	48,918	$91,477	—	07 Jan 2025	3/4/5
Clear Harbor Asset Management, LLC	13F	Company	0.57%	60,775	$88,732	—	31 Dec 2025	13F
HighTower Advisors, LLC	13F	Company	0.57%	60,432	$88,231	—	31 Dec 2025	13F
WealthTrust Axiom LLC	13F	Company	0.52%	54,716	$79,885	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.39%	41,568	$60,711	—	31 Dec 2025	13F
Phillip Massie Price	3/4/5	Interim CFO	— class O/S missing	13,748	$48,255	—	06 May 2024	3/4/5
StoneX Group Inc.	13F	Company	0.27%	28,788	$42,030	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.23%	24,095	$35,179	—	31 Dec 2025	13F
MISSION WEALTH MANAGEMENT, LP	13F	Company	0.18%	18,750	$27,375	—	31 Dec 2025	13F
Mesirow Financial Investment Management, Inc.	13F	Company	0.13%	13,832	$20,195	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.05%	5,480	$8,001	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0.02%	2,030	$2,964	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	0.02%	1,800	$2,628	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	38	$55	—	31 Dec 2025	13F
GROUP ONE TRADING LLC	13F	Company	0%	5	$7	—	31 Dec 2025	13F
Mathiesen Sune	3/4/5	Chief Executive Officer, Director	— class O/S missing	88,073	—	—	03 Jan 2022	3/4/5

Recent Insider Transactions by Companies or Individuals for LIQTECH INTERNATIONAL INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Shares	Shares Owned	Date	Ownership
Fei Chen	LIQT	Common Stock	Tax liability	-14%	-67,860	417,898	03 Jan 2026	Direct
David Kowalczyk	LIQT	Common Stock	Tax liability	-5.92%	-5,589	88,779	03 Jan 2026	Direct
David Kowalczyk	LIQT	Common Stock	Award		94,368	94,368	19 Dec 2025	Direct
Fei Chen	LIQT	Common Stock	Tax liability	-2.55%	-13,021	498,593	12 Sep 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.