NANOSPHERE INC

NANOSPHERE INC insiders are currently net buyers of NSPH stock, showing bullish sentiment over the past 90 days. Executives have purchased $46.7M while selling $2.8M, resulting in a positive net flow of $43.9M. This buying activity represents 94% of total transaction volume.

NANOSPHERE INC has 27 active insiders who have filed SEC Form 4 transactions in the past 90 days. Lending Company, L.l.c. Lurie (Executive) leads with 4 transactions totaling $51.0M. Mark Slezak (Executive) follows with 56 transactions worth $14.9M. 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. NANOSPHERE INC's current score of 94/100 indicates bullish insider sentiment. Scores above 60 suggest insiders are accumulating shares faster than selling, reflecting $46.7M in purchases versus $2.8M in sales.

The most recent insider transaction occurred on Jun 30, 2016, when Randall Lorin (Executive) disposed of 10,000 shares at $1.70 per share for $17.0K. This appears to be a discretionary trade.

Based on SEC Form 4 filings from the past 90 days, NSPH insider trading sentiment is currently bullish with an Alignment Score of 94/100. The net insider flow of $43.9M reflects accumulation, with 94% of volume being purchases.

SEC Form 4 is the primary disclosure mechanism for insider trading at publicly traded companies like NANOSPHERE INC. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At NSPH, we track all Form 4 filings—currently showing 217 transactions from 27 insiders over 90 days.

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

You can monitor NANOSPHERE INC (NSPH) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 27 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. NANOSPHERE INC's current score of 94/100 indicates strong bullish sentiment with executives accumulating shares. This is calculated from $46.7M in purchases versus $2.8M in sales over 90 days, resulting in a net flow of $43.9M.

SEC Form 4 filings are mandatory reports that NANOSPHERE INC 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 NSPH, the most common type is "P" with 22 occurrences. The most recent Form 4 was filed on Jun 30, 2016 by Randall Lorin.

Rule 10b5-1 allows corporate insiders to establish pre-scheduled trading plans when they don't possess material non-public information. At NANOSPHERE INC, 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 NSPH represents discretionary decisions with more informational value.