DYKSTRA KAREN E

PrivateCIK: 1198848

Location

STAMFORD, CT

DYKSTRA KAREN E

→GARTNER INC

Oct 5, 2026·Oct 5, 2026

1 txn

SERRA EILEEN

→GARTNER INC

Oct 5, 2026·Oct 5, 2026

1 txn

GUTIERREZ JOSE M

→GARTNER INC

Oct 5, 2026·Oct 5, 2026

3 txn

CHILD JASON

→ARM HOLDINGS PLC /UK

Sep 23, 2026·Sep 23, 2026

1 txn

CHILD JASON

144

→ARM HOLDINGS PLC /UK

Sep 21, 2026·Sep 21, 2026

ABBEY WILLIAM

→ARM HOLDINGS PLC /UK

Sep 16, 2026·Sep 16, 2026

1 txn

GRABE WILLIAM O

→GARTNER INC

Sep 15, 2026·Sep 15, 2026

5 txn

KRANICH ROBIN B

→GARTNER INC

Sep 2, 2026·Sep 2, 2026

1 txn

HALL EUGENE A

→GARTNER INC

Sep 2, 2026·Sep 2, 2026

1 txn

SAFIAN CRAIG

→GARTNER INC

Sep 2, 2026·Sep 2, 2026

1 txn

RUPANI ALTAF

→GARTNER INC

Sep 2, 2026·Sep 2, 2026

1 txn

CHILD JASON

→ARM HOLDINGS PLC /UK

Aug 31, 2026·Aug 31, 2026

1 txn

KRANICH ROBIN B

→GARTNER INC

Aug 31, 2026·Aug 31, 2026

1 txn

LIU GENE

→ATLASSIAN CORP

Aug 31, 2026·Aug 31, 2026

2 txn

CHILD JASON

144

→ARM HOLDINGS PLC /UK

Aug 27, 2026·Aug 27, 2026

JAIN AKHIL

144

→GARTNER INC

Aug 24, 2026·Aug 24, 2026

SINE JEFFREY

→ARM HOLDINGS PLC /UK

Aug 11, 2026·Aug 11, 2026

1 txn

HERKES CLAIRE

→GARTNER INC

Aug 11, 2026·Aug 11, 2026

1 txn

DYKSTRA KAREN E

→GARTNER INC

Jul 6, 2026·Jul 6, 2026

1 txn

RUS DANIELA L

→GARTNER INC

Jul 6, 2026·Jul 6, 2026

1 txn

GUTIERREZ JOSE M

→GARTNER INC

Jul 6, 2026·Jul 6, 2026

3 txn

GRABE WILLIAM O

→GARTNER INC

Jul 6, 2026·Jul 6, 2026

7 txn

SERRA EILEEN

→GARTNER INC

Jun 10, 2026·Jun 10, 2026

3 txn

DUFFY BRIAN

144

→ATLASSIAN CORP

Jun 8, 2026·Jun 8, 2026

-3

ABBEY WILLIAM

→ARM HOLDINGS PLC /UK

Jun 3, 2026·Jun 3, 2026

2 txn

Page 1 of 151 · 3,768 total

Filer	Form	Target	Filed	Activity
DYKSTRA KAREN ECIK · 1198848	4 Trade	GARTNER INCCIK · 749251	Oct 5, 2026 Oct 5, 2026	1txn
SERRA EILEENCIK · 1721344	4 Trade	GARTNER INCCIK · 749251	Oct 5, 2026 Oct 5, 2026	1txn
GUTIERREZ JOSE MCIK · 1257702	4 Trade	GARTNER INCCIK · 749251	Oct 5, 2026 Oct 5, 2026	3txn
CHILD JASONCIK · 1533913	4 Trade	ARM HOLDINGS PLC /UKCIK · 1973239	Sep 23, 2026 Sep 23, 2026	1txn
CHILD JASONCIK · 1533913	144 Sale	ARM HOLDINGS PLC /UKCIK · 1973239	Sep 21, 2026 Sep 21, 2026	—
ABBEY WILLIAMCIK · 1945497	4 Trade	ARM HOLDINGS PLC /UKCIK · 1973239	Sep 16, 2026 Sep 16, 2026	1txn
GRABE WILLIAM OCIK · 1185567	4 Trade	GARTNER INCCIK · 749251	Sep 15, 2026 Sep 15, 2026	5txn
KRANICH ROBIN BCIK · 1308381	4 Trade	GARTNER INCCIK · 749251	Sep 2, 2026 Sep 2, 2026	1txn
HALL EUGENE ACIK · 1198849	4 Trade	GARTNER INCCIK · 749251	Sep 2, 2026 Sep 2, 2026	1txn
SAFIAN CRAIGCIK · 1610073	4 Trade	GARTNER INCCIK · 749251	Sep 2, 2026 Sep 2, 2026	1txn
RUPANI ALTAFCIK · 1998915	4 Trade	GARTNER INCCIK · 749251	Sep 2, 2026 Sep 2, 2026	1txn
CHILD JASONCIK · 1533913	4 Trade	ARM HOLDINGS PLC /UKCIK · 1973239	Aug 31, 2026 Aug 31, 2026	1txn
KRANICH ROBIN BCIK · 1308381	4 Trade	GARTNER INCCIK · 749251	Aug 31, 2026 Aug 31, 2026	1txn
LIU GENECIK · 1946411	4 Trade	ATLASSIAN CORPCIK · 1650372	Aug 31, 2026 Aug 31, 2026	2txn
CHILD JASONCIK · 1533913	144 Sale	ARM HOLDINGS PLC /UKCIK · 1973239	Aug 27, 2026 Aug 27, 2026	—
JAIN AKHILCIK · 1843364	144 Sale	GARTNER INCCIK · 749251	Aug 24, 2026 Aug 24, 2026	—
SINE JEFFREYCIK · 1886826	4 Trade	ARM HOLDINGS PLC /UKCIK · 1973239	Aug 11, 2026 Aug 11, 2026	1txn
HERKES CLAIRECIK · 1843712	4 Trade	GARTNER INCCIK · 749251	Aug 11, 2026 Aug 11, 2026	1txn
DYKSTRA KAREN ECIK · 1198848	4 Trade	GARTNER INCCIK · 749251	Jul 6, 2026 Jul 6, 2026	1txn
RUS DANIELA LCIK · 1966644	4 Trade	GARTNER INCCIK · 749251	Jul 6, 2026 Jul 6, 2026	1txn
GUTIERREZ JOSE MCIK · 1257702	4 Trade	GARTNER INCCIK · 749251	Jul 6, 2026 Jul 6, 2026	3txn
GRABE WILLIAM OCIK · 1185567	4 Trade	GARTNER INCCIK · 749251	Jul 6, 2026 Jul 6, 2026	7txn
SERRA EILEENCIK · 1721344	4 Trade	GARTNER INCCIK · 749251	Jun 10, 2026 Jun 10, 2026	3txn
DUFFY BRIANCIK · 2051813	144 Sale	ATLASSIAN CORPCIK · 1650372	Jun 8, 2026 Jun 8, 2026	—
ABBEY WILLIAMCIK · 1945497	4 Trade	ARM HOLDINGS PLC /UKCIK · 1973239	Jun 3, 2026 Jun 3, 2026	2txn

Page 1 of 151 · 3,768 total