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MAGNITE, INC.

MGNI Mostly scheduled
CIK 0001595974 #1664 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$25.87M
$7.95M on a plan · $17.06M straight out of an exercise
Sold at will
$860.63K
4 of 51 sales
Net
−$25.87M
−$860.63K against sales at will

By person

16 insiders · 51 transactions
14.3×

Michael Barrett holds 14.3 times base salary in stock. $9.33M of shares against $650.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Michael Barrett last reported holding, valued at $23.76, the price Common Stock was last bought or sold at on the open market here, on 14 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
BARRETT MICHAEL G.
CEO
$13.64M (5) scheduled
−$13.64M
392,670
0.2738%
$9.33M
−58.6%
Buckley Sean Patrick
See Remarks
$2.78M (8) scheduled
−$2.78M
293,060
0.2043%
$6.96M
−11.9%
Evans Katie Seitz
See Remarks
$1.84M (4) scheduled
−$1.84M
441,800
0.3080%
$10.50M
+10.0%
Knopper Douglas S
Director
$1.69M (3) scheduled
−$1.69M
88,473
0.0617%
$2.10M
−40.8%
Harden Sarah Patricia
Director
$1.15M (2) scheduled
−$1.15M
114,751
0.0800%
$2.73M
−17.5%
Saltz Aaron
CHIEF LEGAL OFFICER
$1.15M (2) scheduled
−$1.15M
224,389
0.1565%
$5.33M
−28.3%
Buonasera David
CHIEF TECHNOLOGY OFFICER
$840.59K (12) scheduled
−$840.59K
245,155
0.1709%
$5.82M
−3.6%
Caine Paul
Director
$817.60K (6) scheduled
−$817.60K
144,901
0.1010%
$3.44M
−22.9%
Soroca Adam Lee
CHIEF PRODUCT OFFICER
$685.14K (3) scheduled
−$685.14K
388,425
0.2708%
$9.23M
−10.9%
Spillane Robert F
Director
$557.27K (3)
−$557.27K
57,715
0.0402%
$1.37M
−30.6%
Gephart Brian
CHIEF ACCOUNTING OFFICER
$307.98K (1)
−$307.98K
102,328
0.0713%
$2.43M
−14.1%
Lam Rachel
Director
$241.60K (1)
−$241.60K
230,620
0.1608%
$5.48M
−0.2%
PEARSON DAVID T.
Director
$168.49K (1) scheduled
−$168.49K
79,001
0.0551%
$1.88M
+3.0%
Day David
CHIEF FINANCIAL OFFICER
452,861
0.3157%
$10.76M
+7.4%
Rossman James
Director
107,477
0.0749%
$2.55M
−70.9%
Yu Diane
Director
81,279
0.0567%
$1.93M
+5.9%
Insider
Date
Role
Action
Shares
Price
Amount
Spillane Robert F
14 Sep 2026
Director
Sold after exercise
10,363
$23.76
$246.22K
Evans Katie Seitz
8 Sep 2026
See Remarks
Sold after exercise
32,285
$23.63
$762.89K
BARRETT MICHAEL G.
6 Aug 2026
CEO
Sold after exercise
293,968
$22.72
$6.68M
Evans Katie Seitz
6 Aug 2026
See Remarks
Sold after exercise
20,000
$24.00
$480.00K
Buckley Sean Patrick
6 Aug 2026
See Remarks
Sold after exercise
19,237
$23.00
$442.45K
Buckley Sean Patrick
6 Aug 2026
See Remarks
Sold after exercise
47,942
$25.09
$1.20M
BARRETT MICHAEL G.
15 Jul 2026
CEO
Sold after exercise
38,596
$20.35
$785.43K
BARRETT MICHAEL G.
29 Jun 2026
CEO
Sold after exercise
75,000
$19.50
$1.46M
BARRETT MICHAEL G.
16 Jun 2026
CEO
Sold after exercise
100,000
$17.50
$1.75M
BARRETT MICHAEL G.
15 Jun 2026
CEO
Sold after exercise
178,596
$16.59
$2.96M
Soroca Adam Lee
17 Dec 2025
CHIEF PRODUCT OFFICER
Sold after exercise
16,656
$17.00
$283.15K

What was left out

Form 4 filings counted 90
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 36
Sales straight out of an exercise 11
Sales at will 4
Transactions with no price 0
Shares from compensation/vesting 2,777,306
History held since 3 Nov 2016