MAGNITE INC (MGNI) - Insider Holders & Insider Ownership

List of insiders holdings for MAGNITE INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1Clearstone Venture Management III L.L.C.
CLEARSTONE VENTURE PARTNERS III-A LP
Clearstone Venture Partners III-B a Delaware Multiple Series LLC
10% Owner
2019-02-05 17:02:142,567,227
0
2,567,227Form 13G
2Mandal Sumant
Director
2019-02-26 17:22:5146,734
2,057,918
2,104,652Form 4
3Zagorski Mark
President & COO
2020-04-03 17:12:281,652,321
0
1,652,321Form 4
4MOHN JARL
Director
2014-04-11 21:45:13148,633
1,167,550
1,316,183Form 4
5BARRETT MICHAEL G.
CEO
2026-07-17 17:00:10697,042
0
697,042Form 4
6TAPPIN TODD L
CFO & COO
2016-05-26 19:35:27668,779
0
668,779Form 4
7Evans Katie Seitz
President, Operations
2026-05-19 17:00:16496,840
0
496,840Form 4
8Day David
CHIEF FINANCIAL OFFICER
2026-05-19 17:00:16493,289
0
493,289Form 4
9Kershaw Thomas
Chief Technology Officer
2021-05-19 19:15:05473,763
0
473,763Form 4
10RAIFMAN GREGORY R
Director
2017-05-17 20:37:120
420,459
420,459Form 4
11Soroca Adam Lee
CHIEF PRODUCT OFFICER
2026-02-18 16:55:01388,425
0
388,425Form 4
12Buckley Sean Patrick
See Remarks
2026-07-09 16:27:32354,281
0
354,281Form 4
13Prusz Joseph R
Chief Revenue Officer, DV+
2022-02-16 18:22:12311,083
0
311,083Form 4
14COPPLE BRIAN W
General Counsel and Secretary
2018-05-17 20:42:410
277,524
277,524Form 4
15Saltz Aaron
CHIEF LEGAL OFFICER
2026-05-19 17:00:15270,016
0
270,016Form 4
16Buonasera David
CHIEF TECHNOLOGY OFFICER
2026-07-09 16:32:58268,485
0
268,485Form 4
17Lam Rachel
Director
2026-06-10 20:47:05240,620
0
240,620Form 4
18Filip Eve
See remarks
2020-07-31 18:33:26213,207
0
213,207Form 4
19Dove James Allen
Chief Technology Officer
2022-08-17 16:21:33191,071
0
191,071Form 4
20Richter James Neal
Chief Technology Officer
2016-11-03 17:45:52183,115
0
183,115Form 4
21Hughes Shawna
Chief Accounting Officer
2021-05-19 19:51:48178,129
0
178,129Form 4
22Harden Sarah Patricia
Director
2026-06-10 20:50:42163,737
0
163,737Form 4
23Caine Paul
Director
2026-07-14 17:50:55162,401
0
162,401Form 4
24Tuller Blima
Chief Accounting Officer
2020-06-05 16:53:18155,402
0
155,402Form 4/A
25Knopper Douglas S
Director
2026-06-17 18:48:37125,810
0
125,810Form 4
26FRANKENBERG ROBERT J
Director
2023-06-16 16:27:47119,090
0
119,090Form 4
27Gephart Brian
CHIEF ACCOUNTING OFFICER
2026-05-19 17:00:15118,596
0
118,596Form 4
28TROE LISA L
Director
2023-06-12 16:28:46114,218
0
114,218Form 4
29Rossman James
Director
2026-06-10 20:47:08107,477
0
107,477Form 4
30Patz Harry Jr
Chief Revenue Officer
2017-01-05 17:39:20100,000
0
100,000Form 4
31Yu Diane
Director
2026-06-10 20:54:3781,279
0
81,279Form 4
32PEARSON DAVID T.
Director
2026-06-10 20:45:4479,001
0
79,001Form 4
33Spillane Robert F
Director
2026-06-10 20:54:3157,715
0
57,715Form 4
34COLEMAN LEWIS W
Director
2020-04-03 17:00:020
0
0Form 4
35Feldman Jonathan
Co-General Counsel & Secretary
2020-04-03 16:59:390
0
0Form 4
36ADDANTE FRANK
Director
2020-04-03 16:59:170
0
0Form 4
37MAYFIELD XII A DELAWARE L P
Mayfield XII Management L.L.C.
MAYFIELD ASSOCIATES FUND XII
Mayfield Principals Fund XII
Beck James T
Chaddha Navin
VASAN ROBERT T
10% Owner
2016-01-22 16:17:060
0
0Form 13G
38NEWS CORP
10% Owner
2017-02-10 16:18:270
0
0Form 13G