Kurt L. Kalbfleisch sold $16k of DRK
CEO and CFO at Sphere 3D Corp.. 9,800 shares at an average of $1.59, traded Mar 13, 2026, filed Mar 13, 2026.
Score components
- +25RoleCEO
- 0Trade size$16k at market
- +5Share of holdings soldSold 13% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
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.
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 0001062993-26-001428, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 12, 2026 | MOption exercise Common Stock | +18,358 | - | - | 74,255 | Mar 13, 2026 |
| Mar 13, 2026 | SOpen-market sale Common Stock | -9,800 | $1.59 | $16k | 64,455 | Mar 13, 2026 |
| Mar 12, 2026 | MOption exercise Restricted Stock Unit (RSU)derivative | -18,358 | - | - | 229,297 | Mar 13, 2026 |
Related signals
Other insiders at Sphere 3D Corp. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 18Weak | Sphere 3D Corp. | Tiah Norton Reppas Chief Accounting Officer | $10k 6,250 shares | -34% | |
| 21Weak | DRKsell Sphere 3D Corp. | Kurt L. Kalbfleisch Chief Executive Officer | $42k 90,000 shares | -14% | |
| 39Weak | Sphere 3D Corp. | Patricia Trompeter CEO | $42k 35,000 shares | -6% | |
| 15Weak | Sphere 3D Corp. | Kurt L. Kalbfleisch SVP and CFO | $7,883 6,000 shares | -4% | |
| 26Weak | Sphere 3D Corp. | Patricia Trompeter CEO | $65k 50,000 shares | -8% | |
| 27Weak | DRKsell Sphere 3D Corp. | Kurt L. Kalbfleisch SVP and CFO | $93k 80,000 shares | -39% | |
| 35Weak | Sphere 3D Corp. | Kurt L. Kalbfleisch SVP and CFO | $16k 10,070 shares | -13% | |
| 39Weak | Sphere 3D Corp. | Joseph O'Daniel President | $33k 21,429 shares | -93% | |
| 42Moderate | Sphere 3D Corp. | Kurt L. Kalbfleisch SVP and CFO | $52k 64,857 shares | -81% | |
| 25Weak | DRKsell Sphere 3D Corp. | Patricia Trompeter CEO | $3,302 10,000 shares | -2% |
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.