CHESTON SHEILA C.

PrivateCIK: 1499087

Location

FALLS CHURCH, VA

CHESTON SHEILA C.

→OLD DIGIMARC CORP

May 1, 2026·May 1, 2026

1 txn

MCILWAIN DANA

→OLD DIGIMARC CORP

Apr 2, 2026·Apr 2, 2026

1 txn

PARK MICHAEL

→OLD DIGIMARC CORP

Apr 2, 2026·Apr 2, 2026

1 txn

SIMPSON KATHRYN G

→NORTHROP GRUMMAN CORP /DE/

Mar 3, 2026·Mar 3, 2026

1 txn

SIMPSON KATHRYN G

144

→NORTHROP GRUMMAN CORP /DE/

Mar 2, 2026·Mar 2, 2026

-3

ROEDER ROSHAN S

→NORTHROP GRUMMAN CORP /DE/

Mar 2, 2026·Mar 2, 2026

2 txn

ROEDER ROSHAN S

144

→NORTHROP GRUMMAN CORP /DE/

Feb 27, 2026·Feb 27, 2026

-4

SIMPSON KATHRYN G

→NORTHROP GRUMMAN CORP /DE/

Feb 20, 2026·Feb 20, 2026

1 txn

ROEDER ROSHAN S

→NORTHROP GRUMMAN CORP /DE/

Feb 20, 2026·Feb 20, 2026

2 txn

ROEDER ROSHAN S

144

→NORTHROP GRUMMAN CORP /DE/

Feb 19, 2026·Feb 19, 2026

-3

SIMPSON KATHRYN G

144

→NORTHROP GRUMMAN CORP /DE/

Feb 19, 2026·Feb 19, 2026

-2

WARDEN KATHY J

→NORTHROP GRUMMAN CORP /DE/

Feb 19, 2026·Feb 19, 2026

3 txn

ROEDER ROSHAN S

→NORTHROP GRUMMAN CORP /DE/

Feb 19, 2026·Feb 19, 2026

5 txn

SIMPSON KATHRYN G

→NORTHROP GRUMMAN CORP /DE/

Feb 19, 2026·Feb 19, 2026

4 txn

SIMPSON KATHRYN G

144

→NORTHROP GRUMMAN CORP /DE/

Feb 17, 2026·Feb 17, 2026

ROEDER ROSHAN S

144

→NORTHROP GRUMMAN CORP /DE/

Feb 17, 2026·Feb 17, 2026

SICKLES KEN

→OLD DIGIMARC CORP

Feb 17, 2026·Feb 17, 2026

2 txn

RODRIGUEZ TONY

→OLD DIGIMARC CORP

Feb 17, 2026·Feb 17, 2026

2 txn

QUINN CARLE ANN

→OLD DIGIMARC CORP

Feb 17, 2026·Feb 17, 2026

2 txn

KARAMANOS GEORGE

→OLD DIGIMARC CORP

Feb 17, 2026·Feb 17, 2026

2 txn

SIMPSON KATHRYN G

→NORTHROP GRUMMAN CORP /DE/

Feb 13, 2026·Feb 13, 2026

5 txn

WARDEN KATHY J

→NORTHROP GRUMMAN CORP /DE/

Feb 13, 2026·Feb 13, 2026

5 txn

ROEDER ROSHAN S

→NORTHROP GRUMMAN CORP /DE/

Feb 13, 2026·Feb 13, 2026

6 txn

WARDEN KATHY J

→NORTHROP GRUMMAN CORP /DE/

Feb 10, 2026·Feb 10, 2026

7 txn

WARDEN KATHY J

144

→NORTHROP GRUMMAN CORP /DE/

Feb 6, 2026·Feb 6, 2026

Page 1 of 19 · 456 total

Filer	Form	Target	Filed	Activity
CHESTON SHEILA C.CIK · 1499087	4 Trade	OLD DIGIMARC CORPCIK · 1438231	May 1, 2026 May 1, 2026	1txn
MCILWAIN DANACIK · 2039125	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Apr 2, 2026 Apr 2, 2026	1txn
PARK MICHAELCIK · 2007223	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Apr 2, 2026 Apr 2, 2026	1txn
SIMPSON KATHRYN GCIK · 1986485	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Mar 3, 2026 Mar 3, 2026	1txn
SIMPSON KATHRYN GCIK · 1986485	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Mar 2, 2026 Mar 2, 2026	—
ROEDER ROSHAN SCIK · 1950117	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Mar 2, 2026 Mar 2, 2026	2txn
ROEDER ROSHAN SCIK · 1950117	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 27, 2026 Feb 27, 2026	—
SIMPSON KATHRYN GCIK · 1986485	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 20, 2026 Feb 20, 2026	1txn
ROEDER ROSHAN SCIK · 1950117	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 20, 2026 Feb 20, 2026	2txn
ROEDER ROSHAN SCIK · 1950117	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 19, 2026 Feb 19, 2026	—
SIMPSON KATHRYN GCIK · 1986485	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 19, 2026 Feb 19, 2026	—
WARDEN KATHY JCIK · 1559112	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 19, 2026 Feb 19, 2026	3txn
ROEDER ROSHAN SCIK · 1950117	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 19, 2026 Feb 19, 2026	5txn
SIMPSON KATHRYN GCIK · 1986485	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 19, 2026 Feb 19, 2026	4txn
SIMPSON KATHRYN GCIK · 1986485	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 17, 2026 Feb 17, 2026	—
ROEDER ROSHAN SCIK · 1950117	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 17, 2026 Feb 17, 2026	—
SICKLES KENCIK · 1942811	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Feb 17, 2026 Feb 17, 2026	2txn
RODRIGUEZ TONYCIK · 1661936	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Feb 17, 2026 Feb 17, 2026	2txn
QUINN CARLE ANNCIK · 2075137	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Feb 17, 2026 Feb 17, 2026	2txn
KARAMANOS GEORGECIK · 2018485	4 Trade	OLD DIGIMARC CORPCIK · 1438231	Feb 17, 2026 Feb 17, 2026	2txn
SIMPSON KATHRYN GCIK · 1986485	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 13, 2026 Feb 13, 2026	5txn
WARDEN KATHY JCIK · 1559112	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 13, 2026 Feb 13, 2026	5txn
ROEDER ROSHAN SCIK · 1950117	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 13, 2026 Feb 13, 2026	6txn
WARDEN KATHY JCIK · 1559112	4 Trade	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 10, 2026 Feb 10, 2026	7txn
WARDEN KATHY JCIK · 1559112	144 Sale	NORTHROP GRUMMAN CORP /DE/CIK · 1133421	Feb 6, 2026 Feb 6, 2026	—

Page 1 of 19 · 456 total