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sellWeak cluster of 3

Tina Cessna sold $33k of BLZE

Senior VP, Engineering at Backblaze, Inc.. 5,076 shares at an average of $6.54, traded Feb 27, 2025, filed Mar 3, 2025.

Warning score
36
Value
$33k
5,076 shares
Holdings after
138,062
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $33k at market
    +6
  • Share of holdings sold
    Sold 3.5% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15

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.

BLZEOct 9, 2026 · close 12.69
Since filing Mar 3, 2025: +111.1%SPY +36.0% · excess +75.2%

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 0001462056-25-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 20, 2025FTax withholding
Class A Common Stock
-6,504$7.45$48k138,062Mar 3, 2025
Feb 26, 2025AGrant or award
Class A Common Stock
+5,076$6.68$34k143,138Mar 3, 2025
Feb 27, 2025SOpen-market sale
Class A Common Stock
-584$6.61$3,860142,554Mar 3, 2025
Feb 28, 2025SOpen-market sale
Class A Common Stock
-714$6.30$4,498141,840Mar 3, 2025
Mar 3, 2025SOpen-market sale
Class A Common Stock
-3,778$6.58$25k138,062Mar 3, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%

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 $33k of BLZE | InsiderTell