Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Leonard Osser currently holds 1,618,577 shares of MILESTONE SCIENTIFIC INC. (MLSS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Leonard Osser has been a net seller of MLSS stock. They have purchased $401.8K and sold $1.7M worth of shares.
Leonard Osser's most recent insider trade was on Sep 29, 2025, when they sold 83,333 shares at $0.00 per share.
Leonard Osser serves as Executive at MILESTONE SCIENTIFIC INC. (MLSS). They have executed 98 insider transactions totaling $2.1M over their tenure at the company.
Leonard Osser holds the position of Executive at MILESTONE SCIENTIFIC INC., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 21 years and currently hold a stake valued at $0.
Leonard Osser has shown a selling trading pattern, with $401.8K in total purchases and $1.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Leonard Osser was on Sep 16, 2022, when they purchased $149.4K worth of NXL shares. This transaction involved 36,000 shares at $4.15 per share.
Leonard Osser currently owns 1,618,577 shares of MILESTONE SCIENTIFIC INC. (MLSS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Leonard Osser's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Leonard Osser has 98 Form 4 filings on record as an insider at MILESTONE SCIENTIFIC INC..
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