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 JS
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Detailed Insider History for:
MAGNITE INC: MGNI
Price: 1/9/26 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
$16.17 $26.65 $8.22 $2,323 144 2,611 0.0% 9.5% 98.76% 1.35%
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
    
 
DAY DAVID
CFO
JS
$568,683
35,169
---
1/9/26
---
$16.17
538,076
-6.1
D
---
1/12/26 - 4:30:21 pm
2
    
 
DAY DAVID
CFO
JB
---
72,675
---
1/9/26
---
---
573,245
14.5
D
---
1/12/26 - 4:30:21 pm
3
    
 
SOROCA ADAM LEE
O
JS
$409,586
25,330
---
1/9/26
---
$16.17
428,887
-5.6
D
---
1/12/26 - 4:30:20 pm
4
    
 
SOROCA ADAM LEE
O
JB
---
51,300
---
1/9/26
---
---
454,217
12.7
D
---
1/12/26 - 4:30:20 pm
5
    
 
SALTZ AARON
LO
JS
$242,970
15,026
---
1/9/26
---
$16.17
288,404
-5.0
D
---
1/12/26 - 4:30:17 pm
6
    
 
BUONASERA DAVID
CTO
JS
$199,376
12,330
---
1/9/26
---
$16.17
319,232
-3.7
D
---
1/12/26 - 4:30:17 pm
7
    
 
BUONASERA DAVID
CTO
JB
---
22,935
---
1/9/26
---
---
331,562
7.4
D
---
1/12/26 - 4:30:17 pm
8
    
 
SALTZ AARON
LO
JB
---
28,215
---
1/9/26
---
---
303,430
10.3
D
---
1/12/26 - 4:30:17 pm
9
    
 
BUCKLEY SEAN PATRICK
PR
JS
$491,067
30,369
---
1/9/26
---
$16.17
429,941
-6.6
D
---
1/12/26 - 4:30:15 pm
10
    
 
BUCKLEY SEAN PATRICK
PR
JB
---
64,125
---
1/9/26
---
---
460,310
16.2
D
---
1/12/26 - 4:30:15 pm
11
    
 
EVANS KATIE SEITZ
PR,OO
JS
$433,938
26,836
---
1/9/26
---
$16.17
535,472
-4.8
D
---
1/12/26 - 4:30:13 pm
12
    
 
EVANS KATIE SEITZ
PR,OO
JB
---
51,300
---
1/9/26
---
---
562,308
10.0
D
---
1/12/26 - 4:30:13 pm
13
    
 
BARRETT MICHAEL G
CEO,DIR
JS
$1,774,528
109,742
---
1/9/26
---
$16.17
435,711
-20.1
D
---
1/12/26 - 4:30:12 pm
14
    
 
BARRETT MICHAEL G
CEO,DIR
JB
---
213,750
---
1/9/26
---
---
545,453
64.4
D
---
1/12/26 - 4:30:12 pm
15
    
 
BARRETT MICHAEL G
CEO,DIR
JB
---
94,044
---
1/1/26
---
---
331,703
39.6
D
R
1/5/26 - 7:19:58 pm
16
    
 
SALTZ AARON
LO
JB
---
65,831
---
1/1/26
---
---
275,215
31.4
D
R
1/5/26 - 7:18:56 pm
17
    
 
BUONASERA DAVID
CTO
JB
---
76,803
---
1/1/26
---
---
308,627
33.1
D
R
1/5/26 - 7:17:56 pm
18
    
 
SOROCA ADAM LEE
O
JB
---
76,803
---
1/1/26
---
---
402,917
23.6
D
R
1/5/26 - 7:16:29 pm
19
    
 
EVANS KATIE SEITZ
PR,OO
JB
---
127,273
---
1/1/26
---
---
511,008
33.2
D
R
1/5/26 - 7:14:48 pm
20
    
 
BUCKLEY SEAN PATRICK
PR
JB
---
127,273
---
1/1/26
---
---
396,185
47.3
D
R
1/5/26 - 7:13:29 pm
21
    
 
DAY DAVID
CFO
JB
---
131,661
---
1/1/26
---
---
500,570
35.7
D
R
1/5/26 - 7:12:21 pm
22
    
 
GEPHART BRIAN
CAO
JB
---
39,185
---
1/1/26
---
---
128,534
43.9
D
R
1/5/26 - 7:11:07 pm
23
1y
22
41%
28%
1
SOROCA ADAM LEE
O
OS
$283,152
16,656
---
12/17/25
---
$17.00
326,114
-4.9
D
10b
12/19/25 - 4:15:17 pm
24
    
 
SOROCA ADAM LEE
O
OE
$81,948
16,656
---
12/17/25
---
$4.92
342,770
5.1
D
10b
12/19/25 - 4:15:17 pm
25
    
 
BUCKLEY SEAN PATRICK
PR
AS
$32,089
2,213
---
11/24/25
---
$14.50
268,912
-0.8
D
10b
11/26/25 - 4:10:18 pm
26
    
 
SPILLANE ROBERT F
DIR
S
$177,750
12,500
---
11/21/25
---
$14.22
53,917
-18.8
D
---
11/21/25 - 4:59:58 pm
27
    
 
BUCKLEY SEAN PATRICK
PR
AS
$59,131
4,426
---
11/18/25
---
$13.36
271,125
-1.6
D
R,10b
11/18/25 - 7:41:08 pm
28
1y
22
41%
28%
1
SOROCA ADAM LEE
O
AS
$143,638
10,857
---
11/18/25
---
$13.23
326,114
-3.2
D
R,10b
11/18/25 - 7:39:49 pm
29
    
 
BUCKLEY SEAN PATRICK
PR
JS
$164,734
11,642
---
11/15/25
---
$14.15
275,551
-4.1
D
R,10b
11/18/25 - 7:41:08 pm
30
    
 
SOROCA ADAM LEE
O
JS
$133,321
9,422
---
11/15/25
---
$14.15
336,971
-2.7
D
R,10b
11/18/25 - 7:39:49 pm
31
    
 
EVANS KATIE SEITZ
PR,OO
JS
$146,509
10,354
---
11/15/25
---
$14.15
383,735
-2.6
D
R
11/18/25 - 6:00:16 pm
32
    
 
BUONASERA DAVID
CTO
JS
$100,875
7,129
---
11/15/25
---
$14.15
231,824
-3.0
D
R
11/18/25 - 6:00:14 pm
33
    
 
GEPHART BRIAN
CAO
JS
$50,218
3,549
---
11/15/25
---
$14.15
89,349
-3.8
D
R
11/18/25 - 6:00:13 pm
34
    
 
SALTZ AARON
LO
JS
$80,584
5,695
---
11/15/25
---
$14.15
209,384
-2.6
D
R
11/18/25 - 6:00:10 pm
35
    
 
BARRETT MICHAEL G
CEO,DIR
JS
$172,602
12,198
---
11/15/25
---
$14.15
237,659
-4.9
D
R
11/18/25 - 6:00:08 pm
36
    
 
DAY DAVID
CFO
JS
$186,738
13,197
---
11/15/25
---
$14.15
368,909
-3.5
D
R
11/18/25 - 6:00:05 pm
37
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$100,000
5,000
---
10/24/25
---
$20.00
153,603
-3.2
D
10b
10/28/25 - 5:13:05 pm
38
1y
4
100%
-69%
2
CAINE PAUL
DIR
AS
$187,500
7,500
---
9/19/25
---
$25.00
158,603
-4.5
D
10b
9/19/25 - 6:13:41 pm
39
    
 
SALTZ AARON
LO
AS
$208,789
8,522
---
9/19/25
---
$24.50
215,079
-3.8
D
10b
9/19/25 - 4:15:08 pm
40
    
 
SALTZ AARON
LO
AS
$147,949
6,180
---
9/15/25
---
$23.94
223,601
-2.7
D
10b
9/17/25 - 4:41:18 pm
41
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
42
    
 
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
43
    
 
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
44
    
 
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
45
1y
14
64%
-26%
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
46
    
 
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
47
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
48
1y
14
64%
-26%
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
49
1y
22
41%
28%
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
50
    
 
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
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