MILESTONE SCIENTIFIC INC/NJ

MILESTONE SCIENTIFIC INC/NJ insiders are currently net buyers of MLSS stock, showing neutral sentiment over the past 90 days. Executives have purchased $4.6M while selling $3.7M, resulting in a positive net flow of $956.5K. This buying activity represents 56% of total transaction volume.

MILESTONE SCIENTIFIC INC/NJ has 17 active insiders who have filed SEC Form 4 transactions in the past 90 days. Giandomenico Trombetta (Executive) leads with 48 transactions totaling $10.9M. Leonard Osser (Executive) follows with 82 transactions worth $4.7M. Open-market purchases require insiders to invest their own capital, demonstrating genuine conviction.

The Insider Alignment Score measures the ratio of buying to selling activity on a 0-100 scale. MILESTONE SCIENTIFIC INC/NJ's current score of 56/100 indicates neutral insider sentiment. Scores between 40-60 represent neutral or mixed activity. With $4.6M in purchases and $3.7M in sales, no strong directional conviction is evident.

The most recent insider transaction occurred on Oct 24, 2025, when Bp4 S.r.l. (Executive) disposed of 100,000 shares at $0.44 per share for $44.0K. This appears to be a discretionary trade.

Based on SEC Form 4 filings from the past 90 days, MLSS insider trading sentiment is currently neutral with an Alignment Score of 56/100. The balanced activity—$4.6M bought vs $3.7M sold—suggests no strong consensus among insiders.

SEC Form 4 is the primary disclosure mechanism for insider trading at publicly traded companies like MILESTONE SCIENTIFIC INC/NJ. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At MLSS, we track all Form 4 filings—currently showing 377 transactions from 17 insiders over 90 days.

A 10b5-1 plan allows MILESTONE SCIENTIFIC INC/NJ executives to pre-schedule stock sales when they don't possess material non-public information. At MLSS, approximately 0% of recent transactions are 10b5-1 trades. Most trading activity at MLSS appears discretionary, making insider signals more meaningful.

You can monitor MILESTONE SCIENTIFIC INC/NJ (MLSS) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 17 active insiders and provide real-time transaction feeds, the Alignment Score, 10b5-1 vs. discretionary breakdowns, and direct links to SEC EDGAR filings.

Our Alignment Score measures the ratio of insider buying to selling on a scale of 0-100. A score above 70 indicates strong bullish sentiment, while below 30 suggests bearish activity. MILESTONE SCIENTIFIC INC/NJ's current score of 56/100 indicates neutral sentiment with balanced buying and selling activity. This is calculated from $4.6M in purchases versus $3.7M in sales over 90 days, resulting in a net flow of $956.5K.

SEC Form 4 filings are mandatory reports that MILESTONE SCIENTIFIC INC/NJ insiders must submit within 2 business days. Each filing includes the insider's name, relationship, transaction type, shares, and price. Transaction codes: P (purchase), S (sale), A (award), M (option exercise), G (gift). At MLSS, the most common type is "S" with 28 occurrences. The most recent Form 4 was filed on Oct 24, 2025 by Bp4 S.r.l..

Rule 10b5-1 allows corporate insiders to establish pre-scheduled trading plans when they don't possess material non-public information. At MILESTONE SCIENTIFIC INC/NJ, approximately 0% of recent transactions are executed under 10b5-1 plans, while 100% appear to be discretionary trades. The low percentage means most insider activity at MLSS represents discretionary decisions with more informational value.