Robert J. VanderZanden, Director at SPHERIX INC (SPEX), sold 1,000 shares at $2.87 ($3K) on 2006-03-28, disclosed to the SEC on 2006-04-03.
Open-market sale of $3k SPEX by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
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