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sellWeak cluster of 210b5-1 plan

Tina Cessna sold $366k of BLZE

Senior VP, Engineering at Backblaze, Inc.. 49,685 shares at an average of $7.37, traded Dec 1, 2023, filed Dec 5, 2023.

Warning score
28
Value
$366k
49,685 shares
Holdings after
122,250
-29% from before
From 52-week low
+103%
low $3.79, close $7.69
From 52-week high
-2%
high $7.82, as of Dec 1, 2023

Score components

  • Role
    Officer
    +15
  • Trade size
    $366k at market
    +15
  • Share of holdings sold
    Sold 29% of holdings
    +10
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

This signal so far: 1m 0.0%, 3m +53.6%, 6m -15.7%.

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.

BLZEOct 13, 2026 · close 12.51
Since filing Dec 5, 2023: +74.2%SPY +76.7% · excess -2.4%

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 0001462056-23-000211, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 1, 2023SOpen-market sale
Class A Common Stock10b5-1
-20,000$7.43$149k151,935Dec 5, 2023
Dec 4, 2023SOpen-market sale
Class A Common Stock10b5-1
-20,000$7.39$148k131,935Dec 5, 2023
Dec 5, 2023SOpen-market sale
Class A Common Stock10b5-1
-9,685$7.18$70k122,250Dec 5, 2023

Related signals

Other insiders at Backblaze, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
46Moderate
BLZEsell 2
Backblaze, Inc.
Marc Suidan
Chief Financial Officer
$33k
2,110 shares
-1%
55Moderate
BLZEsell 2
Backblaze, Inc.
Gleb Budman
CEO and Chairperson
$203k
12,855 shares
-1%
36Weak
BLZEsell 3
Backblaze, Inc.
Tina Cessna
Senior VP, Engineering
$33k
5,076 shares
-4%
42Moderate
BLZEsell 3
Backblaze, Inc.
Marc Suidan
Chief Financial Officer
$28k
4,387 shares
-1%
46Moderate
BLZEsell 3
Backblaze, Inc.
Gleb Budman
CEO and Chairperson
$41k
6,362 shares
-0%
30Weak
BLZEsell 2
Backblaze, Inc.
Tina Cessna
Senior VP, Engineering
$57k
8,874 shares
-6%
41Moderate
BLZEsell 2
Backblaze, Inc.
Gleb Budman
CEO and Chairperson
$66k
10,321 shares
-1%
38Weak
BLZEsell 4
Backblaze, Inc.
Tina Cessna
Senior VP, Engineering
$63k
9,985 shares
-6%
45Moderate
BLZEsell 4
Backblaze, Inc.
Francis P Patchel
Chief Financial Officer
$69k
10,871 shares
-7%
48Moderate
BLZEsell 4
Backblaze, Inc.
Gleb Budman
CEO and Chairperson
$74k
11,608 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.

Tina Cessna sold $366k of BLZE | InsiderTell