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Detailed Insider History for:
MAGNITE INC: MGNI
Price: 9/5/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$24.85 $26.65 $8.22 $3,539 142 3,000 0.0% 10.7% 105.33% 1.36%
Exch Sector Industry Sub-Industry
NasdaqGS Services Business Services Services- Computer Programming, Data Processing, Etc.
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$117,987
5,000
---
9/10/25
$23.50
$23.91
166,103
-2.9
D
10b
9/12/25 - 5:26:00 pm
2
    
 
BUCKLEY SEAN PATRICK
PR
S
$1,003,400
40,000
9/8/25
9/9/25
---
$24.61
287,193
-12.2
D
---
9/10/25 - 5:00:08 pm
3
    
 
GEPHART BRIAN
CAO
AS
$683,750
27,671
---
9/4/25
---
$24.71
92,898
-23.0
D
10b
9/5/25 - 5:00:05 pm
4
    
 
SALTZ AARON
LO
S
$323,346
12,403
---
8/29/25
---
$26.07
229,781
-5.1
D
---
8/29/25 - 4:30:17 pm
5
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
S
$548,910
21,509
---
8/27/25
---
$25.52
394,089
-5.2
D
---
8/29/25 - 4:30:08 pm
6
    
 
YU DIANE
DIR
S
$504,600
20,000
---
8/26/25
---
$25.23
67,481
-22.9
D
---
8/27/25 - 4:30:06 pm
7
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$187,500
7,500
---
8/25/25
---
$25.00
171,103
-4.2
D
10b
8/26/25 - 5:00:14 pm
8
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
AS
$216,970
8,345
---
8/25/25
---
$26.00
415,598
-2.0
D
10b
8/26/25 - 5:00:06 pm
9
1y
20
35%
33%
1
SOROCA ADAM LEE
O
AS
$479,634
20,279
8/18/25
8/19/25
---
$23.47
346,393
-5.5
D
R,10b
8/20/25 - 4:30:25 pm
10
    
 
BUCKLEY SEAN PATRICK
PR
AS
$477,788
20,201
8/18/25
8/19/25
---
$23.42
327,193
-5.8
D
R,10b
8/20/25 - 4:30:21 pm
11
    
 
GEPHART BRIAN
CAO
S
$70,620
2,961
---
8/18/25
---
$23.85
120,569
-2.4
D
R
8/20/25 - 4:30:27 pm
12
1y
19
42%
15%
2
DAY DAVID
CFO
S
$318,779
13,366
---
8/18/25
---
$23.85
382,106
-3.4
D
R
8/20/25 - 4:30:26 pm
13
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
S
$250,115
10,487
---
8/18/25
---
$23.85
423,943
-2.4
D
R
8/20/25 - 4:30:24 pm
14
1y
15
33%
23%
2
BARRETT MICHAEL G
CEO,DIR
S
$857,431
35,951
---
8/18/25
---
$23.85
249,857
-12.6
D
R
8/20/25 - 4:30:23 pm
15
    
 
SALTZ AARON
LO
S
$137,615
5,770
---
8/18/25
---
$23.85
242,184
-2.3
D
R
8/20/25 - 4:30:23 pm
16
    
 
BUONASERA DAVID
CTO
S
$186,841
7,834
---
8/18/25
---
$23.85
241,579
-3.1
D
R
8/20/25 - 4:30:18 pm
17
    
 
DAY DAVID
CFO
JS
---
26,374
---
8/15/25
---
---
395,472
-6.3
D
---
8/19/25 - 5:43:07 pm
18
    
 
SALTZ AARON
LO
S
$323,492
13,860
---
8/14/25
---
$23.34
247,954
-5.3
D
---
8/15/25 - 4:37:10 pm
19
1y
1
100%
-68%
4
LAM RACHEL
DIR
S
$333,750
15,000
---
8/12/25
---
$22.25
226,822
-6.2
D
---
8/14/25 - 4:26:10 pm
20
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$111,450
5,000
---
8/11/25
---
$22.29
178,603
-2.7
D
10b
8/13/25 - 4:37:48 pm
21
1y
15
33%
23%
2
BARRETT MICHAEL G
CEO,DIR
AS
$1,649,843
70,900
---
7/15/25
---
$23.27
285,808
-19.9
D
10b
7/17/25 - 5:15:07 pm
22
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$117,650
5,000
---
7/10/25
---
$23.53
183,603
-2.7
D
10b
7/11/25 - 4:30:05 pm
23
1y
20
35%
33%
1
SOROCA ADAM LEE
O
OS
$1,064,600
42,584
---
7/3/25
---
$25.00
366,672
-10.4
D
10b
7/8/25 - 5:20:19 pm
24
    
 
SOROCA ADAM LEE
O
OE
$40,973
8,329
---
7/3/25
$1.97
$4.92
409,256
2.1
D
10b
7/8/25 - 5:20:19 pm
25
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
OS
$571,164
24,495
---
6/30/25
$22.00
$24.00
434,430
-5.3
D
10b
7/2/25 - 4:15:43 pm
26
    
 
EVANS KATIE SEITZ
PR,OO
OE
$58,255
16,137
---
6/30/25
---
$3.61
458,925
3.6
D
10b
7/2/25 - 4:15:43 pm
27
    
 
SALTZ AARON
LO
AS
$386,628
17,574
---
6/30/25
---
$22.00
261,814
-6.3
D
10b
7/2/25 - 4:15:39 pm
28
1y
19
42%
15%
2
DAY DAVID
CFO
AS
$477,004
21,682
---
6/30/25
---
$22.00
421,846
-4.9
D
10b
7/2/25 - 4:15:36 pm
29
    
 
BUONASERA DAVID
CTO
AS
$204,358
9,289
---
6/30/25
---
$22.00
249,413
-3.6
D
10b
7/2/25 - 4:15:33 pm
30
1y
19
42%
15%
2
DAY DAVID
CFO
OS
$1,452,450
71,000
6/24/25
6/26/25
$19.95
$20.95
443,528
-13.8
D
10b
6/26/25 - 5:21:23 pm
31
    
 
DAY DAVID
CFO
OE
$374,880
71,000
6/24/25
6/26/25
---
$5.28
479,528
17.4
D
10b
6/26/25 - 5:21:23 pm
32
1y
20
35%
33%
1
SOROCA ADAM LEE
O
OS
$890,380
44,519
---
6/24/25
---
$20.00
400,927
-10.0
D
10b
6/26/25 - 5:24:51 pm
33
    
 
SOROCA ADAM LEE
O
OE
$16,408
8,329
---
6/24/25
---
$1.97
445,446
1.9
D
10b
6/26/25 - 5:24:51 pm
34
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$100,000
5,000
---
6/24/25
---
$20.00
188,603
-2.6
D
10b
6/26/25 - 5:23:40 pm
35
1y
15
33%
23%
2
BARRETT MICHAEL G
CEO,DIR
AS
$6,003,000
300,000
---
6/24/25
---
$20.01
356,708
-45.7
D
10b
6/26/25 - 5:22:36 pm
36
1y
1
100%
-68%
2
ROSSMAN JAMES
DIR
AS
$2,572,992
137,007
---
6/18/25
---
$18.78
93,679
-59.4
D
10b
6/20/25 - 4:27:26 pm
37
1y
19
42%
15%
2
DAY DAVID
CFO
OS
$722,867
38,146
---
6/18/25
---
$18.95
443,528
-7.9
D
10b
6/20/25 - 4:26:33 pm
38
    
 
DAY DAVID
CFO
OE
$187,678
38,146
---
6/18/25
---
$4.92
481,674
8.6
D
10b
6/20/25 - 4:26:33 pm
39
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
OS
$370,000
20,000
---
6/16/25
---
$18.50
442,788
-4.3
D
10b
6/18/25 - 4:48:04 pm
40
    
 
EVANS KATIE SEITZ
PR,OO
OE
$72,200
20,000
---
6/16/25
---
$3.61
462,788
4.5
D
10b
6/18/25 - 4:48:04 pm
41
    
 
SALTZ AARON
LO
AS
$293,790
16,788
---
6/16/25
---
$17.50
279,388
-5.7
D
10b
6/18/25 - 4:47:00 pm
42
    
 
SPILLANE ROBERT F
DIR
S
$263,550
15,000
---
6/10/25
---
$17.57
66,417
-18.4
D
---
6/12/25 - 5:56:08 pm
43
1y
20
35%
33%
1
SOROCA ADAM LEE
O
OS
$147,406
8,328
---
6/6/25
---
$17.70
437,117
-1.9
D
10b
6/6/25 - 5:57:34 pm
44
    
 
SOROCA ADAM LEE
O
OE
$16,406
8,328
---
6/6/25
---
$1.97
445,445
1.9
D
10b
6/6/25 - 5:57:34 pm
45
3m
1
0%
41%
3
PEARSON DAVID T
DIR
AS
$202,611
11,512
---
6/6/25
---
$17.60
75,969
-13.2
D
R,10b
6/6/25 - 5:55:08 pm
46
1y
13
62%
-27%
2
EVANS KATIE SEITZ
PR,OO
OS
$607,600
35,000
---
6/5/25
---
$17.36
442,788
-7.3
D
10b
6/6/25 - 5:59:00 pm
47
    
 
EVANS KATIE SEITZ
PR,OO
OE
$72,200
20,000
---
6/5/25
---
$3.61
477,788
4.4
D
10b
6/6/25 - 5:59:00 pm
48
    
 
YU DIANE
DIR
JB
---
10,766
---
6/5/25
---
---
87,481
14.0
D
R
6/6/25 - 5:56:13 pm
49
    
 
PEARSON DAVID T
DIR
JB
---
10,766
---
6/5/25
---
---
87,481
14.0
D
R,10b
6/6/25 - 5:55:08 pm
50
    
 
CAINE PAUL
DIR
JB
---
10,766
---
6/5/25
---
---
193,603
5.9
D
R
6/6/25 - 5:53:44 pm
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