Insider Transactions Reported by 21 Insiders of DZS INC.

Location: Plano, TX

Quick Takeaways

DZS INC. has 21 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 14 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

DZS INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
IV Global Fund No. 4	10%+ Owner	$11,413,044	Mixed	03 Jan 2024
Charles D. Vogt	President & CEO, Director	$588,954	Mixed	10 Dec 2024
Misty Dawn Kawecki	Chief Financial Officer	$122,024	Mixed	02 Aug 2024
Matthew W. Bross	Director	$108,005	Mixed	31 Dec 2024
Choon Yul Yoo	Director	$107,886	Mixed	31 Dec 2024
Joon Kyung Kim	Director	$105,609	Mixed	31 Dec 2024
Barbara Carbone	Director	$99,505	Mixed	31 Dec 2024
Woong Ji Choi	Director	$85,000	Mixed	31 Dec 2024
Todd Jackson	Director	$85,000	Mixed	31 Dec 2024
Deok Yeon Won	Chief Customer Officer, Asia	$78,750	Mixed	01 Jul 2023
Min Woo Nam	Director	$75,308	Mixed	30 Jun 2023
Norman L. Foust	SVP of Global Supply Chain	$71,627	Mixed	01 Jul 2023
David R. Schopp	Director	$66,213	Mixed	31 Dec 2023
Justin K. Ferguson	Chief Legal Officer	$57,938	Mixed	01 Oct 2024
Brian Chesnut	Chief Accounting Officer	$43,500	Mixed	06 Sep 2024
Miguel Alonso	Chief Product Officer	$42,414	Mixed	01 Oct 2024
Thomas Cancro	Chief Financial Officer	$42,000	Mixed	01 Jul 2021
Raghu Marthi	Chief Operating Officer	$38,582	Mixed	20 Sep 2024
Gunter Reiss	Chief Marketing Officer	$22,078	Mixed	06 Sep 2024
Thomas Arthur Carter	Chief Customer Officer, AEMEA		Mixed	20 Feb 2023
DASAN NETWORKS, INC	10%+ Owner		Mixed	04 Dec 2025

Top shareholders of DZS 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
IV Global Fund No. 4	3/4/5	10%+ Owner	— class O/S missing	5,434,783	$11,413,044	—	03 Jan 2024	3/4/5
Charles D. Vogt	3/4/5	President & CEO, Director	— mixed-class rows	819,946 mixed-class rows	$588,954	—	10 Dec 2024	3/4/5
Misty Dawn Kawecki	3/4/5	Chief Financial Officer	— class O/S missing	104,742	$122,024	—	02 Aug 2024	3/4/5
Matthew W. Bross	3/4/5	Director	— class O/S missing	127,065	$108,005	—	31 Dec 2024	3/4/5
Choon Yul Yoo	3/4/5	Director	— class O/S missing	126,925	$107,886	—	31 Dec 2024	3/4/5
Joon Kyung Kim	3/4/5	Director	— class O/S missing	124,246	$105,609	—	31 Dec 2024	3/4/5
Barbara Carbone	3/4/5	Director	— class O/S missing	117,065	$99,505	—	31 Dec 2024	3/4/5
Todd Jackson	3/4/5	Director	— class O/S missing	100,000	$85,000	—	31 Dec 2024	3/4/5
Woong Ji Choi	3/4/5	Director	— class O/S missing	100,000	$85,000	—	31 Dec 2024	3/4/5
Deok Yeon Won	3/4/5	Chief Customer Officer, Asia	— mixed-class rows	37,500 mixed-class rows	$78,750	—	01 Jul 2023	3/4/5
Min Woo Nam	3/4/5	Director	— mixed-class rows	35,861 mixed-class rows	$75,308	—	30 Jun 2023	3/4/5
Norman L. Foust	3/4/5	SVP of Global Supply Chain	— mixed-class rows	34,108 mixed-class rows	$71,627	—	01 Jul 2023	3/4/5
David R. Schopp	3/4/5	Director	— class O/S missing	31,530	$66,213	—	31 Dec 2023	3/4/5
Justin K. Ferguson	3/4/5	Chief Legal Officer	— class O/S missing	103,460	$57,938	—	01 Oct 2024	3/4/5
Brian Chesnut	3/4/5	Chief Accounting Officer	— class O/S missing	75,000	$43,500	—	06 Sep 2024	3/4/5
Miguel Alonso	3/4/5	Chief Product Officer	— mixed-class rows	75,650 mixed-class rows	$42,414	—	01 Oct 2024	3/4/5
Thomas Cancro	3/4/5	Chief Financial Officer	— mixed-class rows	30,000 mixed-class rows	$42,000	—	01 Jul 2021	3/4/5
Raghu Marthi	3/4/5	Chief Operating Officer	— mixed-class rows	64,595 mixed-class rows	$38,582	—	20 Sep 2024	3/4/5
Gunter Reiss	3/4/5	Chief Marketing Officer	— mixed-class rows	38,066 mixed-class rows	$22,078	—	06 Sep 2024	3/4/5

Recent Insider Transactions by Companies or Individuals for DZS INC.

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

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Dasan Networks, Inc	DZSIQ	Common Stock	Sale	-100%			-9,093,015	0	04 Dec 2025	Direct

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