MarketPeel
Insider Trading Intelligence
KK

Kurt L. Kalbfleisch

ANY
CEO AND CFO · SPHERE 3D CORP. · CIK 0001409130
FILING MIX · LIFETIME42%/58%
BUYS
20
SELLS
28
TOTAL VALUE
$622.7K
COMPANIES
1
ACTIVE SINCE
Feb 2023
HOLDINGS NOW
425,815
AVG SELL PX
$0.93
TRADE KIND
SHOWING 48 / 48
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
9 backtested trades · 8 horizons · 7 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Kurt L. Kalbfleisch, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d9+66.67%+18.11%+0.44%+17.66%-10.89%
14d9+55.56%+21.07%+1.27%+19.80%-8.09%
30d9+44.44%+83.19%+2.89%+80.30%+1.34%
60d9+33.33%+43.38%+5.63%+37.75%+3.30%
90d9+44.44%+35.18%+5.95%+29.23%-9.27%
180d9(1 pending)+62.50%-2.49%+10.98%-13.47%-30.45%
1y9(2 pending)+71.43%+3.78%+25.20%-21.42%-51.47%
2y9(4 pending)+100.00%-52.68%+47.25%-99.93%-103.06%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
ANY · 425,815 shares · as of Jun 8, 2026
0423,800847,6001,271,4001,695,200202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 20 buys / 28 sellsCOVERAGE · 14 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
250,000425,815Jun 8, 2026Jun 10, 2026View →
ANY
SPHERE 3D CORP.
SALE
CFO and Director
159,37560,937Jun 1, 2026Jun 3, 2026View →
ANY
SPHERE 3D CORP.
PURCHASE
CFO and Director
159,375232,815Jun 1, 2026Jun 3, 2026View →
ANY
SPHERE 3D CORP.
SALE
CFO and Director
50,000$3.06$153.0K182,815Jun 1, 2026Jun 3, 2026View →
ANY
SPHERE 3D CORP.
SALE
CFO and Director
7,000$4.15$29.0K175,815Jun 1, 2026Jun 3, 2026View →
ANY
SPHERE 3D CORP.
SALE
CEO and CFO
8,985220,312May 20, 2026May 22, 2026View →
ANY
SPHERE 3D CORP.
PURCHASE
CEO and CFO
8,98573,440May 20, 2026May 22, 2026View →
ANY
SPHERE 3D CORP.
SALE
CEO and CFO
9,800$1.59$15.6K64,455Mar 13, 2026Mar 13, 2026View →
ANY
SPHERE 3D CORP.
PURCHASE
CEO and CFO
18,35874,255Mar 12, 2026Mar 13, 2026View →
ANY
SPHERE 3D CORP.
SALE
CEO and CFO
18,358229,297Mar 12, 2026Mar 13, 2026View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
150,000247,655Mar 4, 2026Mar 6, 2026View →
ANY
SPHERE 3D CORP.
SALE
Chief Executive Officer
90,000$0.47$41.9K558,964Dec 9, 2025Dec 10, 2025View →
ANY
SPHERE 3D CORP.
SALE
Chief Executive Officer
183,594976,561Dec 8, 2025Dec 10, 2025View →
ANY
SPHERE 3D CORP.
PURCHASE
Chief Executive Officer
183,594648,964Dec 8, 2025Dec 10, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
85,010$0.61$51.6K465,370Sep 3, 2025Sep 5, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
195,2011,160,155Sep 3, 2025Sep 5, 2025View →
ANY
SPHERE 3D CORP.
PURCHASE
Acting CEO and CFO
195,201550,380Sep 3, 2025Sep 5, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
134,406$0.74$99.3K355,179Jun 5, 2025Jun 9, 2025View →
ANY
SPHERE 3D CORP.
PURCHASE
Acting CEO and CFO
339,844489,585Jun 5, 2025Jun 9, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
339,8441,355,356Jun 5, 2025Jun 9, 2025View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
1,000,0001,695,200Apr 22, 2025Apr 24, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
11,719695,200Mar 14, 2025Mar 18, 2025View →
ANY
SPHERE 3D CORP.
SALE
Acting CEO and CFO
4,212$0.49$2.1K149,741Mar 14, 2025Mar 18, 2025View →
ANY
SPHERE 3D CORP.
PURCHASE
Acting CEO and CFO
11,719153,953Mar 14, 2025Mar 18, 2025View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
625,000706,919Jan 29, 2025Jan 31, 2025View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
6,000$1.31$7.9K142,234Dec 10, 2024Dec 12, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
11,71981,919Dec 10, 2024Dec 12, 2024View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
11,719148,234Dec 10, 2024Dec 12, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
11,000$0.95$10.4K136,515Aug 29, 2024Aug 30, 2024View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
23,326147,515Aug 28, 2024Aug 30, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
23,32693,638Aug 28, 2024Aug 30, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
80,000$1.17$93.2K124,189Jun 11, 2024Jun 11, 2024View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
136,250204,189Jun 7, 2024Jun 11, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
136,250116,964Jun 7, 2024Jun 11, 2024View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
105,000253,214May 21, 2024May 23, 2024View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
125,000148,214Mar 27, 2024Mar 28, 2024View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
10,070$1.55$15.6K67,939Dec 6, 2023Dec 8, 2023View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
97,143150,626Dec 1, 2023Dec 4, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
97,14323,214Dec 1, 2023Dec 4, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
34,000$0.80$27.2K116,626Dec 1, 2023Dec 4, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
38,617$0.91$35.2K78,089Dec 1, 2023Dec 4, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
26,240$0.63$16.5K53,483Nov 30, 2023Dec 4, 2023View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
13,92879,723Nov 15, 2023Nov 17, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
13,928120,357Nov 15, 2023Nov 17, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
80,000$0.30$24.1K460,574May 25, 2023May 30, 2023View →
ANY
SPHERE 3D CORP.
SALE
SVP and CFO
170,000940,000May 22, 2023May 24, 2023View →
ANY
SPHERE 3D CORP.
PURCHASE
SVP and CFO
170,000540,574May 22, 2023May 24, 2023View →
ANY
SPHERE 3D CORP.
PURCHASEGRANT
Stock grant
850,0001,110,000Feb 28, 2023Mar 1, 2023View →
Other insiders · ANY
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About this filer
CIK 0001409130
ROLE
CEO and CFO
PRIMARY
ANY
COMPANIES
1
ACTIVE SINCE
Feb 2023
MARKETPEEL · /INSIDER/0001409130DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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