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
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#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
5TAPPIN TODD L
CFO & COO		2016-05-26 19:35:27668,779
0		668,779Form 4
6Evans Katie Seitz
President, Operations		2026-02-18 16:30:21508,044
0		508,044Form 4
7Day David
CHIEF FINANCIAL OFFICER		2026-02-18 16:30:21507,459
0		507,459Form 4
8Kershaw Thomas
Chief Technology Officer		2021-05-19 19:15:05473,763
0		473,763Form 4
9RAIFMAN GREGORY R
Director		2017-05-17 20:37:120
420,459		420,459Form 4
10BARRETT MICHAEL G.
CEO		2026-02-18 16:30:25412,162
0		412,162Form 4
11Buckley Sean Patrick
President, Revenue		2026-02-18 16:30:17402,999
0		402,999Form 4
12Soroca Adam Lee
CHIEF PRODUCT OFFICER		2026-02-18 16:55:01388,425
0		388,425Form 4
13Prusz Joseph R
Chief Revenue Officer, DV+		2022-02-16 18:22:12311,083
0		311,083Form 4
14Buonasera David
CHIEF TECHNOLOGY OFFICER		2026-02-18 16:30:27302,095
0		302,095Form 4
15COPPLE BRIAN W
General Counsel and Secretary		2018-05-17 20:42:410
277,524		277,524Form 4
16Saltz Aaron
CHIEF LEGAL OFFICER		2026-02-18 16:30:19275,643
0		275,643Form 4
17Lam Rachel
Director		2025-08-14 16:26:10226,822
0		226,822Form 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
22Knopper Douglas S
Director		2025-06-06 17:50:25160,115
0		160,115Form 4
23Tuller Blima
Chief Accounting Officer		2020-06-05 16:53:18155,402
0		155,402Form 4/A
24Caine Paul
Director		2025-10-28 17:13:05153,603
0		153,603Form 4
25Harden Sarah Patricia
Director		2025-06-06 17:49:23149,939
0		149,939Form 4
26Gephart Brian
CHIEF ACCOUNTING OFFICER		2026-02-18 16:30:24122,385
0		122,385Form 4
27FRANKENBERG ROBERT J
Director		2023-06-16 16:27:47119,090
0		119,090Form 4
28TROE LISA L
Director		2023-06-12 16:28:46114,218
0		114,218Form 4
29Patz Harry Jr
Chief Revenue Officer		2017-01-05 17:39:20100,000
0		100,000Form 4
30Rossman James
Director		2025-06-20 16:27:2693,679
0		93,679Form 4
31PEARSON DAVID T.
Director		2025-06-06 17:55:0875,969
0		75,969Form 4
32Yu Diane
Director		2025-08-27 16:30:0667,481
0		67,481Form 4
33Spillane Robert F
Director		2025-11-21 16:59:5853,917
0		53,917Form 4
34NEWS CORP
10% Owner		2017-02-10 16:18:270
0		0Form 13G
35Feldman Jonathan
Co-General Counsel & Secretary		2020-04-03 16:59:390
0		0Form 4
36MAYFIELD 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
37ADDANTE FRANK
Director		2020-04-03 16:59:170
0		0Form 4
38COLEMAN LEWIS W
Director		2020-04-03 17:00:020
0		0Form 4