ZNTL SCHEDULE 13G/A: SEC filing

An institutional investor

Filed with the SEC on Aug 19, 2026 · accession 0001213900-26-091824

ZNTL filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 19, 2026. An institutional investor filed an amended Schedule 13G disclosing its beneficial ownership position in Zentalis Pharmaceuticals (ZNTL). The stock moved +3.8% by the first close after the filing.

Summary of the filing

An institutional investor filed an amended Schedule 13G disclosing its beneficial ownership position in Zentalis Pharmaceuticals (ZNTL). The filing indicates a passive investment stake with no stated intent to influence company control.

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Key details

IssuerZentalis Pharmaceuticals, Inc.

How ZNTL stock reacted

Close before

$3.68

Aug 18, 2026

First close after

+3.80%

$3.82

5 trading days

+5.43%

$3.88

Since filing

-53.26%

$1.72

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Frequently asked questions

What did ZNTL file with the SEC on Aug 19, 2026?

ZNTL filed a SCHEDULE 13G/A (SEC filing). An institutional investor filed an amended Schedule 13G disclosing its beneficial ownership position in Zentalis Pharmaceuticals (ZNTL). The filing indicates a passive investment stake with no stated intent to influence company control.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did ZNTL stock react to this filing?

ZNTL closed at $3.68 before the filing and $3.82 on Aug 19, 2026 (+3.80%). Five trading days later: $3.88 (+5.43%).

Other ZNTL SEC filings

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