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Public ownership evidence

Zentalis Pharmaceuticals, Inc. Common Stock (ZNTL) Ownership Disclosures

Read ZNTL insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-10T07:40:50.020Z

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2026-10-012026-09-30Bruns IngmarA9,727Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-30 and its public availability date is 2026-10-01. Subtracting those calendar dates gives 1 day of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001628280-26-064317 ↗SEC 0001213900-26-091823 ↗13F 0001081019-26-000020 ↗

Recent Form 4 activity

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2026-10-012026-09-30Bruns IngmarA9,727Not reported
2026-08-202026-08-14WALTERS GROUP, WALTERS SUSAN BERKLEY, WALTERS WILLIAM THURMANP4,335,000Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25689$3,342None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-253,342$689,000None
Stonepine Capital Management, LLC2026-06-302026-08-18161,583$783,678None
Seven Fleet Capital Management LP2026-06-302026-08-18317,600$1,451,432None
Ishara Investments LP2026-06-302026-08-151,025,000$4,971,250None
TORONTO DOMINION BANK2026-06-302026-08-1523,566$114,295None
Squadron Capital Management LLC2026-06-302026-08-153,700,000$17,945,000None
Squadron Capital Management LLC2026-06-302026-08-15426,000$2,066,100Call
Graham Capital Management, L.P.2026-06-302026-08-1522,358$108,436None
SEI INVESTMENTS CO2026-06-302026-08-15256,079$1,241,983None
Susquehanna Portfolio Strategies, LLC2026-06-302026-08-15112,122$543,792None
Quarry LP2026-06-302026-08-15125,114$606,803None
ADAR1 Capital Management, LLC2026-06-302026-08-15652,750$3,165,838None
XTX Topco Ltd2026-06-302026-08-15289,693$1,405,011None
5AM Venture Management, LLC2026-06-302026-08-153,947,913$19,147,378None
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2026-06-302026-08-15171,911$833,768None
Sixth Street Partners Management Company, L.P.2026-06-302026-08-15171,911$833,768None
ExodusPoint Capital Management, LP2026-06-302026-08-1574,966$363,585None
Qube Research & Technologies Ltd2026-06-302026-08-15574,806$2,787,809None
Squarepoint Ops LLC2026-06-302026-08-1513,487$65,412None
MetLife Investment Management, LLC2026-06-302026-08-1530,095$145,961None
JANE STREET GROUP, LLC2026-06-302026-08-1514,395$69,816None
JANE STREET GROUP, LLC2026-06-302026-08-1599,200$481,120Call
Legal & General Group Plc2026-06-302026-08-154,848$23,513None
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-1541,300$200,305Call
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-1512,600$61,110Put
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15215,113$1,043,298None
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC2026-06-302026-08-1525,962$125,916None
Stonepine Capital Management, LLC2026-06-302026-08-15161,583$783,678None
Opaleye Management Inc.2026-06-302026-08-151,412,656$6,851,382None
Verdad Advisers, LP2026-06-302026-08-1539,608$192,099None
MILLENNIUM MANAGEMENT LLC2026-06-302026-08-15664,281$3,221,763None
Scientech Research LLC2026-06-302026-08-1513,613$66,023None
ORBIMED ADVISORS LLC2026-06-302026-08-151,390,576$6,744,294None
MANUFACTURERS LIFE INSURANCE COMPANY, THE2026-06-302026-08-1514,289$69,302None
ROYAL BANK OF CANADA2026-06-302026-08-151,633$8,000None
ALLIANCEBERNSTEIN L.P.2026-06-302026-08-1517,100$40,014None
BRIDGEWAY CAPITAL MANAGEMENT, LLC2026-06-302026-08-1577,300$374,905None
D. E. Shaw & Co., Inc.2026-06-302026-08-15546,566$2,650,845None
CITADEL ADVISORS LLC2026-06-302026-08-1512,900$62,565Put
CITADEL ADVISORS LLC2026-06-302026-08-1599,086$480,567None
CITADEL ADVISORS LLC2026-06-302026-08-1526,500$128,525Call
CITADEL ADVISORS LLC2026-06-302026-08-152,199,317$10,666,687None
Decheng Capital LLC2026-06-302026-08-151,323,327$6,418,136None
RBF Capital, LLC2026-06-302026-08-1530,000$145,500None
PRELUDE CAPITAL MANAGEMENT, LLC2026-06-302026-08-1513,843$67,139None
CDC Financial, Inc.2026-06-302026-08-15177,762$862,146None
Invesco Ltd.2026-06-302026-08-15135,559$657,461None
Invesco Ltd.2026-06-302026-08-1569$335None
Invesco Ltd.2026-06-302026-08-156,080$29,488None

90-day public filing window, up to 50 source positions.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗Stonepine Capital Management, LLC ↗Seven Fleet Capital Management LP ↗Ishara Investments LP ↗TORONTO DOMINION BANK ↗Squadron Capital Management LLC ↗Squadron Capital Management LLC ↗Graham Capital Management, L.P. ↗SEI INVESTMENTS CO ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.