Zenas BioPharma, Inc. (ZBIO) is a publicly traded company in the Unknown sector. Across all available filings, 9 corporate insiders have executed 54 transactions totaling $107.3M, demonstrating a bullish sentiment with $107.3M in net insider flow. The most recent transaction on Jan 9, 2026 involved a purchase of 20,000 shares valued at $331.0K.
No significant insider buying has been recorded for ZBIO in the recent period.
No significant insider selling has been recorded for ZBIO in the recent period.
Based on recent SEC filings, insider sentiment for ZBIO is bullish with an Insider Alignment Score of 100/100 and a net flow of $107.3M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Zenas BioPharma, Inc. (ZBIO) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 9 insiders are actively trading ZBIO stock, having executed 54 transactions in the past 90 days. The most active insider is One Capital Management, Llc Sr (Executive), who has made 8 transactions totaling $40.4M.
Get notified when executives and directors at ZBIO file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 9, 2026 | O. Moulder Leon Jr | Executive | Purchase | 20,000 | $16.55 | $331.0K | |
| Jan 8, 2026 | O. Moulder Leon Jr | Executive | Purchase | 30,000 | $16.30 | $489.0K | |
| Jan 7, 2026 | O. Moulder Leon Jr | Executive | Purchase | 50,000 | $16.38 | $819.0K | Large |
| Oct 9, 2025 | G. Enright Patrick | Executive | Purchase | 11,990 | $20.85 | $250.0K | |
| Oct 9, 2025 | G. Enright Patrick | Executive | Purchase | 105,265 | $19.00 | $2.0M | Large |
| Oct 9, 2025 | Capital Management, Llc One Sr | Executive | Purchase | 63,158 | $19.00 | $1.2M | Large |
| Oct 9, 2025 | Capital Management, Llc One Sr | Executive | Purchase | 63,157 | $19.00 | $1.2M | Large |
| Oct 9, 2025 | Raleigh Nunn Jason | Executive | Purchase | 63,158 | $19.00 | $1.2M | Large |
| Oct 7, 2025 | Lu Hongbo | Executive | Purchase | 263,160 | $19.00 | $5.0M | Large |
| Oct 7, 2025 | Evan Harwin Peter | Executive | Purchase | 316,219 | $19.00 | $6.0M | Large |
| Oct 7, 2025 | O. Moulder Leon Jr | Executive | Purchase | 36,928 | $20.85 | $769.9K | Large |
| Sep 20, 2024 | O. Moulder Leon Jr | Executive | Purchase | 2,367 | $17.88 | $42.3K | |
| Sep 20, 2024 | O. Moulder Leon Jr | Executive | Purchase | 2,633 | $18.97 | $49.9K | |
| Sep 19, 2024 | O. Moulder Leon Jr | Executive | Purchase | 5,000 | $17.89 | $89.5K | |
| Sep 18, 2024 | O. Moulder Leon Jr | Executive | Purchase | 10,000 | $17.91 | $179.1K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 26 | $107.3M | 100.0% |
Conversion(C) | 28 | $0 | 0.0% |
Insiders at Zenas BioPharma, Inc. are accumulating shares at an accelerated pace. With 9 insiders making 54 transactions totaling $107.3M in purchases versus $0 in sales, the net buying activity of $107.3M signals strong executive confidence. One Capital Management, Llc Sr (Executive) leads the buying activity with $40.4M in transactions across all time.