ALTAIR ENGINEERING INC.

PrivateCIK: 1701732

Location

TROY, MI

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

May 26, 2026·May 26, 2026

3 txn

AYYAR SHEKAR G

→VIASAT INC

May 13, 2026·May 13, 2026

1 txn

HARRIS TERESA A

→ZIFF DAVIS, INC.

May 8, 2026·May 8, 2026

3 txn

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

May 5, 2026·May 5, 2026

1 txn

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

Feb 27, 2026·Feb 27, 2026

2 txn

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

Feb 25, 2026·Feb 25, 2026

3 txn

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

Nov 25, 2025·Nov 25, 2025

3 txn

BROWN MATTHEW CHARLES

→TENABLE HOLDINGS, INC.

Aug 25, 2025·Aug 25, 2025

1 txn

HARRIS TERESA A

→ZIFF DAVIS, INC.

May 9, 2025·May 9, 2025

3 txn

SRIKANTH MAHALINGAM

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

12 txn

GAYLE BRIAN

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

10 txn

MAITRA RAOUL

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

12 txn

MARRACCINI JEFFREY

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

5 txn

SCAPA JAMES RALPH

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

11 txn

HARRIS TERESA A

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

3 txn

SARAVIA GILMA

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

8 txn

KUNJU RAVI

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

8 txn

JRS INVESTMENTS LLC

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

1 txn

MESSANO AMY

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

8 txn

BROWN MATTHEW CHARLES

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

7 txn

BUCKNER STEPHANIE

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

17 txn

JAMES R. SCAPA DECLARATION OF TRUST

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

1 txn

EARHART STEPHEN P

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

1 txn

CARTER SANDRA ANN

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

1 txn

BOYCE MARY CUNNINGHAM

→ALTAIR ENGINEERING INC.

Mar 26, 2025·Mar 26, 2025

1 txn

Page 1 of 41 · 1,017 total

Filer	Form	Target	Filed	Activity
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	May 26, 2026 May 26, 2026	3txn
AYYAR SHEKAR GCIK · 1297901	4 Trade	VIASAT INCCIK · 797721	May 13, 2026 May 13, 2026	1txn
HARRIS TERESA ACIK · 1720317	4 Trade	ZIFF DAVIS, INC.CIK · 1084048	May 8, 2026 May 8, 2026	3txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	May 5, 2026 May 5, 2026	1txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	Feb 27, 2026 Feb 27, 2026	2txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	Feb 25, 2026 Feb 25, 2026	3txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	Nov 25, 2025 Nov 25, 2025	3txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	TENABLE HOLDINGS, INC.CIK · 1660280	Aug 25, 2025 Aug 25, 2025	1txn
HARRIS TERESA ACIK · 1720317	4 Trade	ZIFF DAVIS, INC.CIK · 1084048	May 9, 2025 May 9, 2025	3txn
SRIKANTH MAHALINGAMCIK · 1720441	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	12txn
GAYLE BRIANCIK · 1851363	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	10txn
MAITRA RAOULCIK · 1802468	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	12txn
MARRACCINI JEFFREYCIK · 1912935	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	5txn
SCAPA JAMES RALPHCIK · 1720314	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	11txn
HARRIS TERESA ACIK · 1720317	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	3txn
SARAVIA GILMACIK · 1805096	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	8txn
KUNJU RAVICIK · 1949593	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	8txn
JRS INVESTMENTS LLCCIK · 1720683	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	1txn
MESSANO AMYCIK · 1762863	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	8txn
BROWN MATTHEW CHARLESCIK · 1766979	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	7txn
BUCKNER STEPHANIECIK · 1839690	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	17txn
JAMES R. SCAPA DECLARATION OF TRUSTCIK · 1720615	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	1txn
EARHART STEPHEN PCIK · 1308755	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	1txn
CARTER SANDRA ANNCIK · 1892309	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	1txn
BOYCE MARY CUNNINGHAMCIK · 1735789	4 Trade	ALTAIR ENGINEERING INC.CIK · 1701732	Mar 26, 2025 Mar 26, 2025	1txn

Page 1 of 41 · 1,017 total