ZBIO - Zenas Biopharma, Inc.

Insider Purchase by Nunn Jason Raleigh (Dir)

6 Months
After Trade
Before Trade

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Trade Summary

4 months ago, Nunn Jason Raleigh, serving as Dir at Zenas Biopharma, Inc. (ZBIO), purchased 63,158 shares at $19.00 per share, for a total transaction value of $1,200,002.00. Following this transaction, Nunn Jason Raleigh now holds 3,119,959 shares of ZBIO.

This purchase represents a 2.00% increase in Nunn Jason Raleigh's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, October 9, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, October 14, 2025, 5 days after the trade was made.

Zenas Biopharma, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Nunn Jason Raleigh

Dir

Jason Raleigh Nunn is a Director at Zenas BioPharma, Inc. (NASDAQ: ZBIO), a clinical-stage biopharmaceutical company focused on developing therapies for autoimmune diseases.[[1]](https://www.investing.com/news/insider-trading-news/nunn-jason-raleigh-buys-zenas-biopharma-zbio-shares-worth-12-million-93CH-4288057)[[2]](https://www.quiverquant.com/news/Zenas+BioPharma+Grants+Inducement+Stock+Options+to+New+Employees) On October 9, 2025, he purchased 63,158 shares of ZBIO at $19 per share, totaling $1,200,002, as reported in a Form 4 filing with the SEC.[[1]](https://www.investing.com/news/insider-trading-news/nunn-jason-raleigh-buys-zenas-biopharma-zbio-shares-worth-12-million-93CH-4288057)[[5]](https://www.moomoo.com/news/post/59715564/zenas-biopharma-insider-bought-shares-worth-1200002-according-to-a)[[6]](https://www.secform4.com/insider-trading/1953926.htm) Following the transaction, he indirectly holds significant stakes through entities including SR One Capital Opportunities Fund I, LP (1,173,395 shares) and SR One Capital Fund II Aggregator, LP (1,946,564 shares).[[1]](https://www.investing.com/news/insider-trading-news/nunn-jason-raleigh-buys-zenas-biopharma-zbio-shares-worth-12-million-93CH-4288057) Nunn is associated with SR One Capital Management, LLC, a significant shareholder in ZBIO, reflecting his involvement in venture capital and biotech investments.[[1]](https://www.investing.com/news/insider-trading-news/nunn-jason-raleigh-buys-zenas-biopharma-zbio-shares-worth-12-million-93CH-4288057)[[3]](https://www.tipranks.com/news/insider-trading/major-stakeholders-make-bold-moves-in-zenas-biopharma-stock-insider-trading) His business address is listed as 1119 St. Paul Street, Baltimore, MD 21202, per SEC records.[[4]](https://www.sec.gov/Archives/edgar/data/1444319/0001193125-25-239158-index.htm) Detailed public information on his full career history or education is limited in available sources.

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Trade Price

$19.00

Quantity

63,158

Total Value

$1,200,002.00

Shares Owned

3,119,959

Trade Date

Thursday, October 9, 2025

136 days ago

SEC Filing Date

Tuesday, October 14, 2025

Filed 5 days after trade

HEALTHCAREBIOTECHNOLOGY

About Zenas Biopharma, Inc.

Company Overview

No company information available
View news mentioning ZBIO

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