NASDAQ:ZNTL

Zentalis Pharmaceuticals Stock Insider Trading

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$4.74
-0.180 (-3.66%)
At Close: Jul 31, 2026

Zentalis Pharmaceuticals Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 4.48. In total, the insiders bought 21.93M and sold 7.65M ZNTL shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
4.48
Buy 21.93M shares
Sell 7.65M shares
78% Buy Activity
Moderate Negative Correlation
Buy Signal Medium Confidence
Jun 16, 2026

Analysis Breakdown:

  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (78% buys).

Historical Insider Trades

Date Type Person Role Amount
Dec 02, 2024
Buy
Stock Option (Right to Buy)
A-Award
Bruns Ingmar
Chief Medical Officer
Officer 712 650
Value: $2.61M
Dec 02, 2024
Buy
Stock Option (Right to Buy)
A-Award
Eastland Julia Marie
CEO & President
CEO / President 3 028 800
Value: $11.1M
Dec 02, 2024
Buy
Stock Option (Right to Buy)
A-Award
Eastland Julia Marie
CEO & President
CEO / President 3 028 800
Value: $11.1M
Dec 02, 2024
Buy
Stock Option (Right to Buy)
A-Award
Bruns Ingmar
Chief Medical Officer
Officer 712 650
Value: $2.61M
Nov 13, 2024
Buy
Common Stock
A-Award
Myers Scott Dunseth
Director
Director 260 192
Value: $1.02M
Nov 13, 2024
Buy
Common Stock
J-Other
Bruns Ingmar
Officer
Officer 0
Value: $0
Nov 13, 2024
Buy
Common Stock
J-Other
Eastland Julia Marie
CEO & President
CEO / President 0
Value: $0
Nov 13, 2024
Buy
Common Stock
J-Other
Myers Scott Dunseth
Director 0
Value: $0
Nov 13, 2024
Buy
Common Stock
J-Other
Myers Scott Dunseth
Director 0
Value: $0
Nov 13, 2024
Buy
Common Stock
J-Other
Eastland Julia Marie
CEO & President
CEO / President 0
Value: $0
Nov 13, 2024
Buy
Common Stock
J-Other
Bruns Ingmar
Officer
Officer 0
Value: $0
Nov 13, 2024
Buy
Common Stock
A-Award
Myers Scott Dunseth
Director
Director 260 192
Value: $1.02M
Oct 04, 2024
Sell
Common Stock
S-Sale
Vultaggio Vincent
Principal Accounting Officer
Officer 1 603
Value: $5K
Oct 04, 2024
Sell
Common Stock
S-Sale
Vultaggio Vincent
Principal Accounting Officer
Officer 1 603
Value: $5K
Jun 21, 2024
Buy
Common Stock
A-Award
Skvarka Jan
Director
Director 41 581
Value: $0
Jun 21, 2024
Buy
Common Stock
A-Award
Kariuki Enoch
Director
Director 41 581
Value: $0
Jun 21, 2024
Buy
Common Stock
A-Award
Johnson David Michael
Director
Director 48 429
Value: $0
Jun 21, 2024
Buy
Common Stock
A-Award
Johnson David Michael
Director
Director 48 429
Value: $0
Jun 21, 2024
Buy
Common Stock
A-Award
Kariuki Enoch
Director
Director 41 581
Value: $0
Jun 21, 2024
Buy
Common Stock
A-Award
Skvarka Jan
Director
Director 41 581
Value: $0
May 31, 2024
Sell
Common Stock
S-Sale
Gallagher Cam
President, Interim CFO
CEO / President 9 597
Value: $115.0K
May 31, 2024
Sell
Common Stock
S-Sale
Gallagher Cam
President, Interim CFO
CEO / President 9 597
Value: $115.0K
May 24, 2024
Buy
Common Stock
A-Award
Walker Luke Nathaniel
Director
Director 72 481
Value: $0
May 24, 2024
Buy
Common Stock
J-Other
Walker Luke Nathaniel
Director 0
Value: $0
May 24, 2024
Buy
Common Stock
J-Other
Walker Luke Nathaniel
Director 0
Value: $0

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT ZENTALIS PHARMACEUTICALS INC.
Zentalis Pharmaceuticals
Zentalis Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, focuses on discovering and developing small molecule therapeutics for the treatment of various cancers. Its lead product candidate includes the ZN-c3, an inhibitor of WEE1, a protein tyrosine kinase, which is in Phase 2 clinical trial for the treatment of advanced solid tumors; Phase 1/2 clinical trial for the treatment of advanced solid tumors as a monotherapy and in an ...
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