LARSON RODERICK A.

PrivateCIK: 1550150

Location

HOUSTON, TX

LARSON RODERICK A.

→NPK INTERNATIONAL INC.

May 21, 2026·May 21, 2026

2 txn

ROBESON ROSE M

→NPK INTERNATIONAL INC.

May 21, 2026·May 21, 2026

1 txn

LARSON RODERICK A.

→OCEANEERING INTERNATIONAL INC

May 19, 2026·May 19, 2026

2 txn

WEBSTER STEVEN A

→OCEANEERING INTERNATIONAL INC

May 19, 2026·May 19, 2026

1 txn

LARSON RODERICK A.

144

→OCEANEERING INTERNATIONAL INC

May 18, 2026·May 18, 2026

PIONTEK GREGG

→NPK INTERNATIONAL INC.

Apr 3, 2026·Apr 3, 2026

2 txn

PIONTEK GREGG

→NPK INTERNATIONAL INC.

Mar 26, 2026·Mar 26, 2026

2 txn

PIONTEK GREGG

→NPK INTERNATIONAL INC.

Mar 5, 2026·Mar 5, 2026

5 txn

PIONTEK GREGG

144

→NPK INTERNATIONAL INC.

Mar 4, 2026·Mar 4, 2026

SIMONS JENNIFER FREMONT

→OCEANEERING INTERNATIONAL INC

Feb 26, 2026·Feb 26, 2026

2 txn

LARSON RODERICK A.

→OCEANEERING INTERNATIONAL INC

Feb 26, 2026·Feb 26, 2026

2 txn

ROEDEL SHAUN

→OCEANEERING INTERNATIONAL INC

Feb 26, 2026·Feb 26, 2026

3 txn

SIMONS JENNIFER FREMONT

144

→OCEANEERING INTERNATIONAL INC

Feb 25, 2026·Feb 25, 2026

-2

ROEDEL SHAUN

→OCEANEERING INTERNATIONAL INC

Feb 24, 2026·Feb 24, 2026

2 txn

SUMRULD MICHAEL W

→OCEANEERING INTERNATIONAL INC

Feb 24, 2026·Feb 24, 2026

2 txn

SIMONS JENNIFER FREMONT

→OCEANEERING INTERNATIONAL INC

Feb 24, 2026·Feb 24, 2026

2 txn

LARSON RODERICK A.

→OCEANEERING INTERNATIONAL INC

Feb 24, 2026·Feb 24, 2026

2 txn

SIMONS JENNIFER FREMONT

→OCEANEERING INTERNATIONAL INC

Jan 6, 2026·Jan 6, 2026

3 txn

SIMONS JENNIFER FREMONT

144

→OCEANEERING INTERNATIONAL INC

Jan 5, 2026·Jan 5, 2026

SUMRULD MICHAEL W

→OCEANEERING INTERNATIONAL INC

Sep 18, 2025·Sep 18, 2025

1 txn

ROEDEL SHAUN

→OCEANEERING INTERNATIONAL INC

Aug 27, 2025·Aug 27, 2025

1 txn

WHITE DOUGLAS L

→NPK INTERNATIONAL INC.

Jun 17, 2025·Jun 17, 2025

1 txn

PIONTEK GREGG

→NPK INTERNATIONAL INC.

Jun 3, 2025·Jun 3, 2025

8 txn

WHITE DOUGLAS L

→NPK INTERNATIONAL INC.

Jun 3, 2025·Jun 3, 2025

7 txn

LARSON RODERICK A.

→NPK INTERNATIONAL INC.

May 19, 2025·May 19, 2025

2 txn

Page 1 of 8 · 181 total

Filer	Form	Target	Filed	Activity
LARSON RODERICK A.CIK · 1550150	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	May 21, 2026 May 21, 2026	2txn
ROBESON ROSE MCIK · 1251678	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	May 21, 2026 May 21, 2026	1txn
LARSON RODERICK A.CIK · 1550150	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	May 19, 2026 May 19, 2026	2txn
WEBSTER STEVEN ACIK · 1008023	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	May 19, 2026 May 19, 2026	1txn
LARSON RODERICK A.CIK · 1550150	144 Sale	OCEANEERING INTERNATIONAL INCCIK · 73756	May 18, 2026 May 18, 2026	—
PIONTEK GREGGCIK · 1418328	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Apr 3, 2026 Apr 3, 2026	2txn
PIONTEK GREGGCIK · 1418328	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Mar 26, 2026 Mar 26, 2026	2txn
PIONTEK GREGGCIK · 1418328	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Mar 5, 2026 Mar 5, 2026	5txn
PIONTEK GREGGCIK · 1418328	144 Sale	NPK INTERNATIONAL INC.CIK · 71829	Mar 4, 2026 Mar 4, 2026	—
SIMONS JENNIFER FREMONTCIK · 1736375	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 26, 2026 Feb 26, 2026	2txn
LARSON RODERICK A.CIK · 1550150	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 26, 2026 Feb 26, 2026	2txn
ROEDEL SHAUNCIK · 1805286	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 26, 2026 Feb 26, 2026	3txn
SIMONS JENNIFER FREMONTCIK · 1736375	144 Sale	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 25, 2026 Feb 25, 2026	—
ROEDEL SHAUNCIK · 1805286	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 24, 2026 Feb 24, 2026	2txn
SUMRULD MICHAEL WCIK · 1694261	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 24, 2026 Feb 24, 2026	2txn
SIMONS JENNIFER FREMONTCIK · 1736375	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 24, 2026 Feb 24, 2026	2txn
LARSON RODERICK A.CIK · 1550150	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Feb 24, 2026 Feb 24, 2026	2txn
SIMONS JENNIFER FREMONTCIK · 1736375	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Jan 6, 2026 Jan 6, 2026	3txn
SIMONS JENNIFER FREMONTCIK · 1736375	144 Sale	OCEANEERING INTERNATIONAL INCCIK · 73756	Jan 5, 2026 Jan 5, 2026	—
SUMRULD MICHAEL WCIK · 1694261	3 Initial	OCEANEERING INTERNATIONAL INCCIK · 73756	Sep 18, 2025 Sep 18, 2025	1txn
ROEDEL SHAUNCIK · 1805286	4 Trade	OCEANEERING INTERNATIONAL INCCIK · 73756	Aug 27, 2025 Aug 27, 2025	1txn
WHITE DOUGLAS LCIK · 1608944	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Jun 17, 2025 Jun 17, 2025	1txn
PIONTEK GREGGCIK · 1418328	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Jun 3, 2025 Jun 3, 2025	8txn
WHITE DOUGLAS LCIK · 1608944	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	Jun 3, 2025 Jun 3, 2025	7txn
LARSON RODERICK A.CIK · 1550150	4 Trade	NPK INTERNATIONAL INC.CIK · 71829	May 19, 2025 May 19, 2025	2txn

Page 1 of 8 · 181 total