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 JS
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Detailed Insider History for:
MAGNITE INC: MGNI
Price: 6/5/26 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
$14.68 $26.65 $10.82 $2,102 143 2,258 0.0% 9.6% 93.69% 1.30%
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
    
 
BUONASERA DAVID
CTO
AS
$21,135
1,409
---
6/1/26
---
$15.00
292,784
-0.5
D
10b
6/3/26 - 4:45:07 pm
2
    
 
SPILLANE ROBERT F
DIR
S
$133,300
10,000
---
5/19/26
---
$13.33
43,917
-18.5
D
---
5/21/26 - 5:00:25 pm
3
    
 
BARRETT MICHAEL G
CEO,DIR
JS
$133,379
10,404
---
5/15/26
---
$12.82
403,074
-2.5
D
R
5/19/26 - 5:00:22 pm
4
    
 
BUCKLEY SEAN PATRICK
PR
JS
$154,084
12,019
---
5/15/26
---
$12.82
392,747
-3.0
D
R
5/19/26 - 5:00:19 pm
5
    
 
EVANS KATIE SEITZ
PR,OO
JS
$143,635
11,204
---
5/15/26
---
$12.82
496,840
-2.2
D
R
5/19/26 - 5:00:16 pm
6
    
 
DAY DAVID
CFO
JS
$181,659
14,170
---
5/15/26
---
$12.82
493,289
-2.8
D
R
5/19/26 - 5:00:16 pm
7
    
 
SALTZ AARON
LO
JS
$72,138
5,627
---
5/15/26
---
$12.82
270,016
-2.0
D
R
5/19/26 - 5:00:15 pm
8
    
 
GEPHART BRIAN
CAO
JS
$48,575
3,789
---
5/15/26
---
$12.82
118,596
-3.1
D
R
5/19/26 - 5:00:15 pm
9
    
 
BUONASERA DAVID
CTO
JS
$106,855
8,335
---
5/15/26
---
$12.82
294,193
-2.8
D
R
5/19/26 - 5:00:13 pm
10
    
 
BUONASERA DAVID
CTO
JS
$200,503
17,137
---
2/15/26
---
$11.70
302,095
-5.4
D
R
2/18/26 - 4:30:27 pm
11
    
 
BARRETT MICHAEL G
CEO,DIR
JS
$275,523
23,549
---
2/15/26
---
$11.70
412,162
-5.4
D
R
2/18/26 - 4:30:25 pm
12
    
 
GEPHART BRIAN
CAO
JS
$71,943
6,149
---
2/15/26
---
$11.70
122,385
-4.8
D
R
2/18/26 - 4:30:24 pm
13
    
 
DAY DAVID
CFO
JS
$358,219
30,617
---
2/15/26
---
$11.70
507,459
-5.7
D
R
2/18/26 - 4:30:21 pm
14
    
 
EVANS KATIE SEITZ
PR,OO
JS
$320,908
27,428
---
2/15/26
---
$11.70
508,044
-5.1
D
R
2/18/26 - 4:30:21 pm
15
    
 
SALTZ AARON
LO
JS
$149,304
12,761
---
2/15/26
---
$11.70
275,643
-4.4
D
R
2/18/26 - 4:30:19 pm
16
    
 
BUCKLEY SEAN PATRICK
PR
JS
$315,221
26,942
---
2/15/26
---
$11.70
402,999
-6.3
D
R
2/18/26 - 4:30:17 pm
17
    
 
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
18
    
 
DAY DAVID
CFO
JB
---
72,675
---
1/9/26
---
---
573,245
14.5
D
---
1/12/26 - 4:30:21 pm
19
    
 
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
20
    
 
SOROCA ADAM LEE
O
JB
---
51,300
---
1/9/26
---
---
454,217
12.7
D
---
1/12/26 - 4:30:20 pm
21
    
 
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
22
    
 
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
23
    
 
BUONASERA DAVID
CTO
JB
---
22,935
---
1/9/26
---
---
331,562
7.4
D
---
1/12/26 - 4:30:17 pm
24
    
 
SALTZ AARON
LO
JB
---
28,215
---
1/9/26
---
---
303,430
10.3
D
---
1/12/26 - 4:30:17 pm
25
    
 
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
26
    
 
BUCKLEY SEAN PATRICK
PR
JB
---
64,125
---
1/9/26
---
---
460,310
16.2
D
---
1/12/26 - 4:30:15 pm
27
    
 
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
28
    
 
EVANS KATIE SEITZ
PR,OO
JB
---
51,300
---
1/9/26
---
---
562,308
10.0
D
---
1/12/26 - 4:30:13 pm
29
    
 
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
30
    
 
BARRETT MICHAEL G
CEO,DIR
JB
---
213,750
---
1/9/26
---
---
545,453
64.4
D
---
1/12/26 - 4:30:12 pm
31
    
 
BARRETT MICHAEL G
CEO,DIR
JB
---
94,044
---
1/1/26
---
---
331,703
39.6
D
R
1/5/26 - 7:19:58 pm
32
    
 
SALTZ AARON
LO
JB
---
65,831
---
1/1/26
---
---
275,215
31.4
D
R
1/5/26 - 7:18:56 pm
33
    
 
BUONASERA DAVID
CTO
JB
---
76,803
---
1/1/26
---
---
308,627
33.1
D
R
1/5/26 - 7:17:56 pm
34
    
 
SOROCA ADAM LEE
O
JB
---
76,803
---
1/1/26
---
---
402,917
23.6
D
R
1/5/26 - 7:16:29 pm
35
    
 
EVANS KATIE SEITZ
PR,OO
JB
---
127,273
---
1/1/26
---
---
511,008
33.2
D
R
1/5/26 - 7:14:48 pm
36
    
 
BUCKLEY SEAN PATRICK
PR
JB
---
127,273
---
1/1/26
---
---
396,185
47.3
D
R
1/5/26 - 7:13:29 pm
37
    
 
DAY DAVID
CFO
JB
---
131,661
---
1/1/26
---
---
500,570
35.7
D
R
1/5/26 - 7:12:21 pm
38
    
 
GEPHART BRIAN
CAO
JB
---
39,185
---
1/1/26
---
---
128,534
43.9
D
R
1/5/26 - 7:11:07 pm
39
1y
26
50%
22%
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
40
    
 
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
41
    
 
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
42
    
 
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
43
    
 
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
44
1y
26
50%
22%
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
45
    
 
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
46
    
 
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
47
    
 
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
48
    
 
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
49
    
 
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
50
    
 
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
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