Major Insider Daniel Masters Files 10b5-1 Plan to Sell Up to 15.78M Shares
CSHR is trading near its 52-week low of $3.915 (11% above the low) on light trading volume (0.2× avg).
Summary
Daniel Masters, a significant shareholder, has established a 10b5-1 trading plan to sell up to 15.78 million ordinary shares, representing approximately 12% of CoinShares' outstanding shares.
Key Events · Ownership and Investor Activity · CSHR
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Insider Selling Plan Established
Daniel Masters, a significant shareholder with 16.4% ownership, adopted a 10b5-1 plan on June 12, 2026, to sell up to 15,782,660 ordinary shares.
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Significant Stake Reduction
The planned sale represents approximately 12% of CoinShares' total outstanding shares (131.78 million) and a large portion of Masters' current holdings.
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Adds to Share Overhang
This planned sale contributes to the existing share overhang from recent F-1 and 424B3 filings for secondary offerings by other existing shareholders, indicating potential sustained selling pressure.
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Sale Conditions and Timing
Sales are set to begin after September 11, 2026, or a cooling-off period, and include tranches at limit prices between $10 and $20 for 11 million shares, with the plan terminating by December 31, 2027.
Analysis · CSHR · Crypto Assets
This filing reveals a substantial planned reduction in holdings by a key insider, Daniel Masters, through a 10b5-1 plan. The plan covers up to 15.78 million shares, which is a significant portion of his current 16.4% stake and approximately 12% of the company's total outstanding shares. This adds to the existing share overhang from recent F-1 and 424B3 filings for secondary offerings, potentially creating sustained selling pressure on the stock. While pre-planned, the sheer magnitude of the potential sale is a notable negative signal.
How filings like this one have moved
In the 30 days to Sep 15, 2026, 35.6% of the 1100 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, CSHR was trading at $4.36 on NASDAQ in the Crypto Assets sector, with a market capitalization of approximately $574.6M. The 52-week trading range was $3.92 to $13.70. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.