---
title: "Tuesday 5/19 Insider Buying Report: ZBIO, ICFI"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286954937.md"
description: "On May 19, Zenas Biopharma's CEO Leon O. Moulder Jr. purchased 60,000 shares of ZBIO for $1.01M, seeing a 7.6% gain as the stock rose to $18.16. Previously, he invested $4.5M in ZBIO over the past year. Meanwhile, ICF International's Director Michael J. Van Handel bought 8,000 shares at $61.39 each, totaling $491,134, with a 10.7% gain as ICFI reached $67.95."
datetime: "2026-05-19T18:50:16.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286954937.md)
  - [en](https://longbridge.com/en/news/286954937.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286954937.md)
---

# Tuesday 5/19 Insider Buying Report: ZBIO, ICFI

As the saying goes, there are many possible reasons for an insider to sell a stock, but only one reason to buy -- they expect to make money. So let's look at two noteworthy recent insider buys.

On Monday, Zenas Biopharma's Chief Executive Officer, Leon O. Moulder Jr., made a $1.01M buy of ZBIO, purchasing 60,000 shares at a cost of $16.88 a piece. Moulder Jr. was up about 7.6% on the buy at the high point of today's trading session, with ZBIO trading as high as $18.16 in trading on Tuesday. Zenas Biopharma Inc is trading up about 7.1% on the day Tuesday. Before this latest buy, Moulder Jr. purchased ZBIO on 4 other occasions during the past year, for a total investment of $4.5M at an average of $17.92 per share.

And at ICF International, there was insider buying on Friday, by Director Michael J. Van Handel who purchased 8,000 shares at a cost of $61.39 each, for a trade totaling $491,134. ICF International is trading up about 2.9% on the day Tuesday. Van Handel was up about 10.7% on the buy at the high point of today's trading session, with ICFI trading as high as $67.95 in trading on Tuesday.

**VIDEO: Tuesday 5/19 Insider Buying Report: ZBIO, ICFI**

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

### Related Stocks

- [ZBIO.US](https://longbridge.com/en/quote/ZBIO.US.md)
- [ICFI.US](https://longbridge.com/en/quote/ICFI.US.md)
- [NDAQ.US](https://longbridge.com/en/quote/NDAQ.US.md)

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- [Zenas BioPharma Insider Bought Shares Worth $1,012,800, According to a Recent SEC Filing](https://longbridge.com/en/news/286872009.md)
- [How Zenas BioPharma’s First-in-Human Oral IL-17 Trial Could Reframe Zenas BioPharma (ZBIO) Investors](https://longbridge.com/en/news/286517927.md)
- [Zenas BioPharma To Present INDIGO Phase 3 Data At EULAR 2026; Wedbush Sees $45 Target](https://longbridge.com/en/news/286916856.md)
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