MAYER STEVEN F

PrivateCIK: 1280289

Location

LOS ANGELES, CA

PERALTA LEONEL

144

→ACCURAY INC

Jun 12, 2026·Jun 12, 2026

TCW GROUP INC

→ACCURAY INC

May 22, 2026·May 22, 2026

6 txn

NIEW JEFFREY

→KNOWLES CORP

May 7, 2026·May 7, 2026

3 txn

NIEW JEFFREY

144

→KNOWLES CORP

May 5, 2026·May 5, 2026

-2

HIRSCH DIDIER

144

→KNOWLES CORP

May 1, 2026·May 1, 2026

-2

SHAVERS CHERYL L

→KNOWLES CORP

Apr 29, 2026·Apr 29, 2026

1 txn

CROWLEY DANIEL J

→KNOWLES CORP

Apr 29, 2026·Apr 29, 2026

1 txn

CARDEW JASON M

→KNOWLES CORP

Apr 29, 2026·Apr 29, 2026

1 txn

BARNES KEITH

→KNOWLES CORP

Apr 29, 2026·Apr 29, 2026

1 txn

TCW GROUP INC

→ACCURAY INC

Apr 17, 2026·Apr 17, 2026

10 txn

CHALKE SANDEEP

→ACCURAY INC

Apr 1, 2026·Apr 1, 2026

1 txn

PERALTA LEONEL

→ACCURAY INC

Mar 3, 2026·Mar 3, 2026

3 txn

PERNA ROBERT J

144

→KNOWLES CORP

Feb 26, 2026·Feb 26, 2026

-3

PERNA ROBERT J

→KNOWLES CORP

Feb 26, 2026·Feb 26, 2026

2 txn

PERNA ROBERT J

144

→KNOWLES CORP

Feb 24, 2026·Feb 24, 2026

MAYER STEVEN F

→ACCURAY INC

Feb 23, 2026·Feb 23, 2026

1 txn

NIEW JEFFREY

→KNOWLES CORP

Feb 23, 2026·Feb 23, 2026

1 txn

SHAVERS CHERYL L

→KNOWLES CORP

Feb 23, 2026·Feb 23, 2026

1 txn

PERNA ROBERT J

→KNOWLES CORP

Feb 23, 2026·Feb 23, 2026

2 txn

SHAVERS CHERYL L

144

→KNOWLES CORP

Feb 20, 2026·Feb 20, 2026

MAYER STEVEN F

→ACCURAY INC

Feb 20, 2026·Feb 20, 2026

2 txn

PERNA ROBERT J

→KNOWLES CORP

Feb 19, 2026·Feb 19, 2026

5 txn

NIEW JEFFREY

→KNOWLES CORP

Feb 19, 2026·Feb 19, 2026

4 txn

PERNA ROBERT J

144

→KNOWLES CORP

Feb 10, 2026·Feb 10, 2026

NIEW JEFFREY

→KNOWLES CORP

Feb 10, 2026·Feb 10, 2026

1 txn

Page 1 of 18 · 434 total

Filer	Form	Target	Filed	Activity
PERALTA LEONELCIK · 2056048	144 Sale	ACCURAY INCCIK · 1138723	Jun 12, 2026 Jun 12, 2026	—
TCW GROUP INCCIK · 850401	4 Trade	ACCURAY INCCIK · 1138723	May 22, 2026 May 22, 2026	6txn
NIEW JEFFREYCIK · 1535760	4 Trade	KNOWLES CORPCIK · 1587523	May 7, 2026 May 7, 2026	3txn
NIEW JEFFREYCIK · 1535760	144 Sale	KNOWLES CORPCIK · 1587523	May 5, 2026 May 5, 2026	—
HIRSCH DIDIERCIK · 1226464	144 Sale	KNOWLES CORPCIK · 1587523	May 1, 2026 May 1, 2026	—
SHAVERS CHERYL LCIK · 1196914	4 Trade	KNOWLES CORPCIK · 1587523	Apr 29, 2026 Apr 29, 2026	1txn
CROWLEY DANIEL JCIK · 1504939	4 Trade	KNOWLES CORPCIK · 1587523	Apr 29, 2026 Apr 29, 2026	1txn
CARDEW JASON MCIK · 1529005	4 Trade	KNOWLES CORPCIK · 1587523	Apr 29, 2026 Apr 29, 2026	1txn
BARNES KEITHCIK · 1268517	4 Trade	KNOWLES CORPCIK · 1587523	Apr 29, 2026 Apr 29, 2026	1txn
TCW GROUP INCCIK · 850401	3 Initial	ACCURAY INCCIK · 1138723	Apr 17, 2026 Apr 17, 2026	10txn
CHALKE SANDEEPCIK · 1927592	4 Trade	ACCURAY INCCIK · 1138723	Apr 1, 2026 Apr 1, 2026	1txn
PERALTA LEONELCIK · 2056048	4 Trade	ACCURAY INCCIK · 1138723	Mar 3, 2026 Mar 3, 2026	3txn
PERNA ROBERT JCIK · 1181355	144 Sale	KNOWLES CORPCIK · 1587523	Feb 26, 2026 Feb 26, 2026	—
PERNA ROBERT JCIK · 1181355	4 Trade	KNOWLES CORPCIK · 1587523	Feb 26, 2026 Feb 26, 2026	2txn
PERNA ROBERT JCIK · 1181355	144 Sale	KNOWLES CORPCIK · 1587523	Feb 24, 2026 Feb 24, 2026	—
MAYER STEVEN FCIK · 1280289	4 Trade	ACCURAY INCCIK · 1138723	Feb 23, 2026 Feb 23, 2026	1txn
NIEW JEFFREYCIK · 1535760	4 Trade	KNOWLES CORPCIK · 1587523	Feb 23, 2026 Feb 23, 2026	1txn
SHAVERS CHERYL LCIK · 1196914	4 Trade	KNOWLES CORPCIK · 1587523	Feb 23, 2026 Feb 23, 2026	1txn
PERNA ROBERT JCIK · 1181355	4 Trade	KNOWLES CORPCIK · 1587523	Feb 23, 2026 Feb 23, 2026	2txn
SHAVERS CHERYL LCIK · 1196914	144 Sale	KNOWLES CORPCIK · 1587523	Feb 20, 2026 Feb 20, 2026	—
MAYER STEVEN FCIK · 1280289	4 Trade	ACCURAY INCCIK · 1138723	Feb 20, 2026 Feb 20, 2026	2txn
PERNA ROBERT JCIK · 1181355	4 Trade	KNOWLES CORPCIK · 1587523	Feb 19, 2026 Feb 19, 2026	5txn
NIEW JEFFREYCIK · 1535760	4 Trade	KNOWLES CORPCIK · 1587523	Feb 19, 2026 Feb 19, 2026	4txn
PERNA ROBERT JCIK · 1181355	144 Sale	KNOWLES CORPCIK · 1587523	Feb 10, 2026 Feb 10, 2026	—
NIEW JEFFREYCIK · 1535760	4 Trade	KNOWLES CORPCIK · 1587523	Feb 10, 2026 Feb 10, 2026	1txn

Page 1 of 18 · 434 total