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sellWeak cluster of 2

Tiah Norton Reppas sold $10k of DRK

Chief Accounting Officer at Sphere 3D Corp.. 6,250 shares at an average of $1.61, traded Mar 12, 2026, filed Mar 13, 2026.

Warning score
18
Value
$10k
6,250 shares
Holdings after
12,384
-34% from before
From 52-week low
+47%
low $1.09, close $1.60
From 52-week high
-85%
high $10.50, as of Mar 12, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $10k at market
    0
  • Share of holdings sold
    Sold 34% of holdings
    +10
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

This signal so far: 1m -10.5%, 3m +74.7%, 6m +66.7%.

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.

DRKOct 13, 2026 · close 2.26
Since filing Mar 13, 2026: +39.5%SPY +18.4% · excess +21.1%

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 0001062993-26-001430, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 11, 2026MOption exercise
Common Stock
+16,250--18,634Mar 13, 2026
Mar 12, 2026SOpen-market sale
Common Stock
-6,250$1.61$10k12,384Mar 13, 2026
Mar 11, 2026MOption exercise
Restricted Stock Unit (RSU)derivative
-16,250--90,000Mar 13, 2026

Related signals

Other insiders at Sphere 3D Corp. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
DRKsell 2
Sphere 3D Corp.
Kurt L. Kalbfleisch
CEO and CFO
$16k
9,800 shares
-13%
21Weak
DRKsell
Sphere 3D Corp.
Kurt L. Kalbfleisch
Chief Executive Officer
$42k
90,000 shares
-14%
39Weak
DRKsell 2
Sphere 3D Corp.
Patricia Trompeter
CEO
$42k
35,000 shares
-6%
15Weak
DRKsell 2
Sphere 3D Corp.
Kurt L. Kalbfleisch
SVP and CFO
$7,883
6,000 shares
-4%
26Weak
DRKsell 2
Sphere 3D Corp.
Patricia Trompeter
CEO
$65k
50,000 shares
-8%
7Weak
DRKsell
Sphere 3D Corp.
Kurt L. Kalbfleisch
SVP and CFO
$10k
11,000 shares
-7%
49Moderate
DRKsell 2
Sphere 3D Corp.
Patricia Trompeter
CEO
$144k
120,000 shares
-22%
35Weak
DRKsell 2
Sphere 3D Corp.
Kurt L. Kalbfleisch
SVP and CFO
$93k
80,000 shares
-39%
34Weak
DRKsell 2
Sphere 3D Corp.
Patricia Trompeter
CEO
$171k
150,000 shares
-21%
35Weak
DRKsell 2
Sphere 3D Corp.
Kurt L. Kalbfleisch
SVP and CFO
$16k
10,070 shares
-13%

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.

Tiah Norton Reppas sold $10k of DRK | InsiderTell