Seaport Therapeutics, Inc.
SPTXTicker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Insider trading at Seaport Therapeutics, Inc. (SPTX) refers to stock transactions executed by corporate insiders—officers, directors, and shareholders owning more than 10% of the company. Over the past 90 days, 9 insiders have filed 19 transactions totaling $0 in trading activity. The most active insider is Antony Loebel (Chief Medical Officer), contributing $0 across 3 transactions.
Seaport Therapeutics, Inc. insiders are currently net buyers of SPTX 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.
Seaport Therapeutics, Inc. has 9 active insiders who have filed SEC Form 4 transactions in the past 90 days. Antony Loebel (Chief Medical Officer) leads with 3 transactions totaling $0. Denice Torres (Executive) follows with 3 transactions worth $0. 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. Seaport Therapeutics, Inc.'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 4, 2026, when Loebel Antony (Chief Medical Officer) disposed of 63,157 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, SPTX 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 Seaport Therapeutics, Inc.. Corporate insiders must file within two business days of any transaction, making it one of the most timely sources of executive sentiment. At SPTX, we track all Form 4 filings—currently showing 19 transactions from 9 insiders over 90 days.
A 10b5-1 plan allows Seaport Therapeutics, Inc. executives to pre-schedule stock sales when they don't possess material non-public information. At SPTX, approximately 0% of recent transactions are 10b5-1 trades. Most trading activity at SPTX appears discretionary, making insider signals more meaningful.
You can monitor Seaport Therapeutics, Inc. (SPTX) insider trading activity on this page, which updates within hours of new SEC Form 4 filings. We track all 9 active insiders and provide real-time transaction feeds, the Alignment Score, 10b5-1 vs. discretionary breakdowns, and direct links to SEC EDGAR filings.
Insider trading at Seaport Therapeutics, Inc. (SPTX) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of shares. These individuals must report trades to the SEC within two business days. Currently, 9 insiders are actively trading SPTX stock, having executed 19 transactions in the past 90 days. The most active insider is Antony Loebel (Chief Medical Officer), with 3 transactions totaling $0.
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. Seaport Therapeutics, Inc.'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 Seaport Therapeutics, 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 SPTX, the most common type is "C" with 10 occurrences. The most recent Form 4 was filed on May 4, 2026 by Loebel Antony.
Rule 10b5-1 allows corporate insiders to establish pre-scheduled trading plans when they don't possess material non-public information. At Seaport Therapeutics, 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 SPTX represents discretionary decisions with more informational value.
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