SPTX Robert J. Hombach bought Seaport Therapeutics, Inc. shares — SEC Form 4BUYSeaport Therapeutics, Inc.

The stock is currently trading at $17.385, down 0.88% over the last 30 days and sitting 24.41% below its 52-week high of $23.0. It remains 16.4% above the 52-week low of $14.935, suggesting the stock is still in a downtrend but holding support near the lows.

• •The company recently saw a 10.2% one-day share price move on May 4, 2026, prompting fresh questions about its valuation and clinical pipeline.
• •This trade represents the largest insider purchase in the company's history, signaling potential confidence from leadership.

• •The stock carries a short interest of 3.47% of the float, which could lead to volatility if the narrative shifts.
• •Additionally, the negative forward P/E of -7.7 indicates the market expects significant losses, posing a risk if the company fails to meet clinical milestones.