ZNTL insider trading — Zentalis Pharmaceuticals, Inc.
Over the last 90 days, insiders at Zentalis Pharmaceuticals, Inc. (ZNTL) made 1 open-market purchase worth $15.17M and 0 open-market sales worth $0, making them net buyers by $15.17M. The largest purchase was by Walters Group, Walters William Thurman, Walters Susan Berkley (10% Owner), who bought 4,335,000 shares for $15.17M on Aug 14, 2026.
Updated Oct 16, 2026.
Recent ZNTL insider transactions
Every Form 4 filed by Zentalis Pharmaceuticals, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Bruns Ingmar | Chief Medical Officer | A · Grant/award | Direct | 9,727 | $2.18 | $21K | Form 4 |
| Aug 14, 2026 | Walters Group, Walters William Thurman, Walters Susan Berkley | 10% Owner | P · Purchase | Direct | 4,335,000 | $3.50 | $15.17M | Form 4 |
ZNTL insider trading FAQ
Are insiders buying ZNTL stock?
Yes. In the last 90 days, Zentalis Pharmaceuticals, Inc. insiders made 1 open-market purchase totaling $15.17M, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ZNTL?
Recent buyers: Walters Group, Walters William Thurman, Walters Susan Berkley.
Where does ZNTL insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.