Transaction · 0001781873-26-000003

Harden Sarah Patricia

Harden Sarah Patricia, DIR, reported an open-market or private sale at MAGNITE, INC. involving 18436.000000 shares for an estimated $442464.00. Reported holdings after the transaction were 114751.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SDIR
MGNIMAGNITE, INC.
Filing timeAug 28
Trade dateAug 28, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
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Pre-filing
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Returns since
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MGNI price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MGNI since 2026-08-28Filed 7 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001781873-26-000003
Common Stock
Transaction date
Aug 28, 2026
Filed Aug 28, 2026, 10:36 PM · 0d delay
Shares
18.4k sh
$2.40k per share
Estimated value
-$44.2M
Computed from shares × price
Holdings after
114k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 27, 2026.

  2. F2

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.09 to $23.52, inclusive. The Reporting Person undertakes to provi…

Original filing · 0001781873-26-000003
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