GREATER BAY BANCORP

GREATER BAY BANCORP insiders are currently net buyers of GBBK stock, showing neutral sentiment over the past 90 days. Executives have purchased $2.0M while selling $1.2M, resulting in a positive net flow of $765.8K. This buying activity represents 62% of total transaction volume.

GREATER BAY BANCORP has 21 active insiders who have filed SEC Form 4 transactions in the past 90 days. George M. Marcus (Executive) leads with 40 transactions totaling $2.2M. John M. Gatto (Executive) follows with 14 transactions worth $872.3K. 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. GREATER BAY BANCORP's current score of 62/100 indicates neutral insider sentiment. Scores above 60 suggest insiders are accumulating shares faster than selling, reflecting $2.0M in purchases versus $1.2M in sales.

The most recent insider transaction occurred on Nov 13, 2024, when Wayne Hooper Max (Executive) disposed of 6,812,500 shares at $0.00 per share for $0. This appears to be a discretionary trade.

Based on SEC Form 4 filings from the past 90 days, GBBK insider trading sentiment is currently neutral with an Alignment Score of 62/100. The net insider flow of $765.8K reflects accumulation, with 62% of volume being purchases.

SEC Form 4 is the primary disclosure mechanism for insider trading at publicly traded companies like GREATER BAY BANCORP. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At GBBK, we track all Form 4 filings—currently showing 118 transactions from 21 insiders over 90 days.

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

You can monitor GREATER BAY BANCORP (GBBK) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 21 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. GREATER BAY BANCORP's current score of 62/100 indicates moderately bullish sentiment suggesting insider confidence. This is calculated from $2.0M in purchases versus $1.2M in sales over 90 days, resulting in a net flow of $765.8K.

SEC Form 4 filings are mandatory reports that GREATER BAY BANCORP 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 GBBK, the most common type is "D" with 23 occurrences. The most recent Form 4 was filed on Nov 13, 2024 by Wayne Hooper Max.

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