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sellModerate cluster of 410b5-1 plan

Alexander Blum sold $1.0M of U

SVP, Chief Operating Officer at Unity Software Inc.. 22,559 shares at an average of $45.26, traded Aug 25, 2026, filed Aug 27, 2026.

Warning score
40
Value
$1.0M
22,559 shares
Holdings after
705,411
-3% from before
From 52-week low
+163%
low $17.13, close $44.99
From 52-week high
-9%
high $49.47, as of Aug 25, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $1.0M at market
    +25
  • Share of holdings sold
    Sold 3.1% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

UOct 9, 2026 · close 46.88
Since filing Aug 27, 2026: +7.8%SPY +1.2% · excess +6.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002042056-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 25, 2026SOpen-market sale
Common Stock10b5-1
-19,455$45.27$881k708,515Aug 27, 2026
Aug 25, 2026SOpen-market sale
Common Stock10b5-1
-1,140$45.93$52k707,375Aug 27, 2026
Aug 27, 2026SOpen-market sale
Common Stock10b5-1
-1,964$44.81$88k705,411Aug 27, 2026

Related signals

Other insiders at Unity Software Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
40Moderate
Usell 410b5-1
Unity Software Inc.
Alexander Blum
SVP, Chief Operating Officer
$1.9M
43,556 shares
-6%
36Weak
Usell 4
Unity Software Inc.
Rebecca Berenice Boyden
SVP, Chief Legal Officer
$47k
1,032 shares
-0%
61Notable
Usell 4
Unity Software Inc.
Matthew S Bromberg
President and CEO
$742k
16,383 shares
-1%
62Notable
Usell 4
Unity Software Inc.
Jarrod Yahes
SVP, Chief Financial Officer
$1.2M
26,017 shares
-4%
45Moderate
Usell 5
Unity Software Inc.
Mark Barrysmith
Chief Accounting Officer
$360k
13,247 shares
-3%
34Weak
Usell 510b5-1
Unity Software Inc.
Alexander Blum
SVP, Chief Operating Officer
$574k
21,108 shares
-3%
35Weak
Usell 5
Unity Software Inc.
Rebecca Berenice Boyden
SVP, Chief Legal Officer
$26k
952 shares
-0%
65Notable
Usell 5
Unity Software Inc.
Matthew S Bromberg
CEO and President
$3.8M
138,993 shares
-8%
57Moderate
Usell 5
Unity Software Inc.
Jarrod Yahes
SVP, Chief Financial Officer
$653k
24,021 shares
-3%
48Moderate
Usell 3
Unity Software Inc.
Jarrod Yahes
SVP, Chief Financial Officer
$130k
6,205 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Alexander Blum sold $1.0M of U | InsiderTell