COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP insiders are currently net buyers of SBSP3 stock, showing neutral sentiment over the past 90 days. Executives have purchased $0 while selling $0, resulting in a positive net flow of $0. This buying activity represents 50% of total transaction volume.

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP has 10 active insiders who have filed SEC Form 4 transactions in the past 90 days. Piani Carlos Augusto Leone (CEO) leads with 3 transactions totaling $92.5K. Domingues Luciane Godinho (Reg. & Energy Proc. Officer) follows with 3 transactions worth $19.0K. 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. COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP's current score of 50/100 indicates neutral insider sentiment. Scores between 40-60 represent neutral or mixed activity. With $0 in purchases and $0 in sales, no strong directional conviction is evident.

The most recent insider transaction occurred on May 1, 2026, when Maria Alicia Lima Peralta (Chief Legal Officer) disposed of 6,039 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, SBSP3 insider trading sentiment is currently neutral with an Alignment Score of 50/100. The balanced activity—$0 bought vs $0 sold—suggests no strong consensus among insiders.

SEC Form 4 is the primary disclosure mechanism for insider trading at publicly traded companies like COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At SBSP3, we track all Form 4 filings—currently showing 30 transactions from 10 insiders over 90 days.

A 10b5-1 plan allows COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP executives to pre-schedule stock sales when they don't possess material non-public information. At SBSP3, approximately 0% of recent transactions are 10b5-1 trades. Most trading activity at SBSP3 appears discretionary, making insider signals more meaningful.

You can monitor COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBSP3) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 10 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. COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP's current score of 50/100 indicates neutral sentiment with balanced buying and selling activity. This is calculated from $0 in purchases versus $0 in sales over 90 days, resulting in a net flow of $0.

SEC Form 4 filings are mandatory reports that COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP 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 SBSP3, the most common type is "M" with 20 occurrences. The most recent Form 4 was filed on May 1, 2026 by Maria Alicia Lima Peralta.

Rule 10b5-1 allows corporate insiders to establish pre-scheduled trading plans when they don't possess material non-public information. At COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP, 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 SBSP3 represents discretionary decisions with more informational value.