HEARTLAND ADVISORS INC

PrivateCIK: 937394

Location

MILWAUKEE, WI

13F-HR

Holdings

May 6, 2026·May 6, 2026

ZWECKER MARK A

→PERMA FIX ENVIRONMENTAL SERVICES INC

Apr 2, 2026·Apr 2, 2026

1 txn

WAMP ZACH PAUL

→PERMA FIX ENVIRONMENTAL SERVICES INC

Apr 2, 2026·Apr 2, 2026

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Apr 2, 2026·Apr 2, 2026

1 txn

REEDER JOE

→PERMA FIX ENVIRONMENTAL SERVICES INC

Apr 2, 2026·Apr 2, 2026

1 txn

HEARTLAND ADVISORS INC

13F-HR

Holdings

Feb 11, 2026·Feb 11, 2026

REEDER JOE

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jan 6, 2026·Jan 6, 2026

1 txn

WAMP ZACH PAUL

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jan 5, 2026·Jan 5, 2026

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jan 5, 2026·Jan 5, 2026

1 txn

ZWECKER MARK A

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jan 5, 2026·Jan 5, 2026

1 txn

REEDER JOE

→PERMA FIX ENVIRONMENTAL SERVICES INC

Dec 16, 2025·Dec 16, 2025

5 txn

HEARTLAND ADVISORS INC

13F-HR

Holdings

Nov 7, 2025·Nov 7, 2025

ZWECKER MARK A

→PERMA FIX ENVIRONMENTAL SERVICES INC

Oct 2, 2025·Oct 2, 2025

1 txn

WAMP ZACH PAUL

→PERMA FIX ENVIRONMENTAL SERVICES INC

Oct 2, 2025·Oct 2, 2025

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Oct 2, 2025·Oct 2, 2025

1 txn

REEDER JOE

→PERMA FIX ENVIRONMENTAL SERVICES INC

Oct 2, 2025·Oct 2, 2025

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Sep 12, 2025·Sep 12, 2025

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Sep 10, 2025·Sep 10, 2025

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Sep 3, 2025·Sep 3, 2025

2 txn

ZWECKER MARK A

→PERMA FIX ENVIRONMENTAL SERVICES INC

Sep 2, 2025·Sep 2, 2025

2 txn

HEARTLAND ADVISORS INC

13F-HR

Holdings

Aug 12, 2025·Aug 12, 2025

ZWECKER MARK A

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jul 25, 2025·Jul 25, 2025

1 txn

SHELTON LARRY

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jul 25, 2025·Jul 25, 2025

1 txn

REEDER JOE

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jul 25, 2025·Jul 25, 2025

1 txn

WAMP ZACH PAUL

→PERMA FIX ENVIRONMENTAL SERVICES INC

Jul 25, 2025·Jul 25, 2025

1 txn

Page 1 of 8 · 196 total

Filer	Form	Target	Filed	Activity
HEARTLAND ADVISORS INCCIK · 937394	13F-HR Holdings	—	May 6, 2026 May 6, 2026	—
ZWECKER MARK ACIK · 1256439	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Apr 2, 2026 Apr 2, 2026	1txn
WAMP ZACH PAULCIK · 1729607	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Apr 2, 2026 Apr 2, 2026	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Apr 2, 2026 Apr 2, 2026	1txn
REEDER JOECIK · 1256444	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Apr 2, 2026 Apr 2, 2026	1txn
HEARTLAND ADVISORS INCCIK · 937394	13F-HR Holdings	—	Feb 11, 2026 Feb 11, 2026	—
REEDER JOECIK · 1256444	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jan 6, 2026 Jan 6, 2026	1txn
WAMP ZACH PAULCIK · 1729607	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jan 5, 2026 Jan 5, 2026	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jan 5, 2026 Jan 5, 2026	1txn
ZWECKER MARK ACIK · 1256439	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jan 5, 2026 Jan 5, 2026	1txn
REEDER JOECIK · 1256444	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Dec 16, 2025 Dec 16, 2025	5txn
HEARTLAND ADVISORS INCCIK · 937394	13F-HR Holdings	—	Nov 7, 2025 Nov 7, 2025	—
ZWECKER MARK ACIK · 1256439	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Oct 2, 2025 Oct 2, 2025	1txn
WAMP ZACH PAULCIK · 1729607	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Oct 2, 2025 Oct 2, 2025	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Oct 2, 2025 Oct 2, 2025	1txn
REEDER JOECIK · 1256444	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Oct 2, 2025 Oct 2, 2025	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Sep 12, 2025 Sep 12, 2025	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Sep 10, 2025 Sep 10, 2025	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Sep 3, 2025 Sep 3, 2025	2txn
ZWECKER MARK ACIK · 1256439	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Sep 2, 2025 Sep 2, 2025	2txn
HEARTLAND ADVISORS INCCIK · 937394	13F-HR Holdings	—	Aug 12, 2025 Aug 12, 2025	—
ZWECKER MARK ACIK · 1256439	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jul 25, 2025 Jul 25, 2025	1txn
SHELTON LARRYCIK · 1370728	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jul 25, 2025 Jul 25, 2025	1txn
REEDER JOECIK · 1256444	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jul 25, 2025 Jul 25, 2025	1txn
WAMP ZACH PAULCIK · 1729607	4 Trade	PERMA FIX ENVIRONMENTAL SERVICES INCCIK · 891532	Jul 25, 2025 Jul 25, 2025	1txn

Page 1 of 8 · 196 total