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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell◇Significant stake declared (13D)●Results filed
With an account, also○dividends▲splits◌next earningswith an account
End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Aug 14, 2026Reported purchase · Form 4WALTERS GROUP · $15.2MOpen the filing ↗
- Aug 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Aug 6, 2026Quarterly report · 10-QFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record52119 flagged findings
Reported transactions (Form 4)67since Feb 1, 2023 · and 11 other holdings
Corporate events (8-K)28since Jul 2, 2020
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
Regulatory history
Topics detected in its SEC reports, with the original excerpt.
Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.
- 2026-05-12share offering or dilution eventrecentOpen filing ↗“…requirements with respect thereto; ◦ the timing and amounts of payments from or to our collaborators, licensors and purchasers of…”
+1 more passage from the same document
- “…had no indebtedness as of March 31, 2026. ATM Program In May 2021, the Company entered into a sales agreement, or the Sales…”
- 2026-05-12capital return (buybacks/dividends)recentOpen filing ↗“…was $69.5 million of our common stock remaining available for sale under our ATM. Stock Purchase Agreement On December 15, 2025,…”
+1 more passage from the same document
- “…Agreement”) with Matrix Capital Master Fund, LP ("Matrix"), one of our then-stockholders. Pursuant to the Stock Purchase…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 521)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 1, 26Form 4 ↗Insider transaction
- Aug 19, 26SCHEDULE 13G/A ↗Passive stake · Walters William T · 18.8% · event on Aug 14, 26 · amendment
- Aug 19, 26Form 4 ↗Insider transaction
- Aug 14, 268-K ↗Current report · Other events
- Aug 14, 26424B5 ↗Securities offering
- Aug 13, 26424B5 ↗Securities offering
- Aug 13, 26SCHEDULE 13G/A ↗Passive stake · Barclays PLC · 3.2% · event on Jun 30, 26 · amendment
- Aug 6, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results · Communication to the market
- Jul 30, 26SCHEDULE 13G ↗Passive stake · BlackRock, Inc. · 5.2% · event on Jun 30, 26
- Jun 18, 268-K ↗Current report · Shareholder vote results
- May 27, 26Form 3 ↗Insider transaction
- May 27, 26DEFA14A ↗Shareholder meeting and votes
- May 27, 268-K ↗Current report · A senior executive left or was appointed
- May 21, 268-K ↗Current report · Communication to the market · Other events
- May 12, 2610-Q ↗Quarterly report
- May 12, 268-K ↗Current report · Results · Communication to the market
- May 5, 268-K ↗Current report · Communication to the market · Other events
- Apr 30, 26DEFA14A ↗Shareholder meeting and votes
521 filings on record, the oldest from Feb 11, 20.
Listing the 25 most recent filings of the 521 on record.
3520
3 senior executive changes2025 – 2026show all 3hide
- May 27, 26A senior executive left or was appointed8-K 5.02 ↗
- Dec 15, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Aug 26, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jan 28, 25Restructuring plan with committed costs+3 more in the same filing8-K 2.05 ↗
4 senior executive changes2024show all 4hide
- Dec 19, 24A senior executive left or was appointed8-K/A 5.02 ↗
- Nov 13, 24A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- May 29, 24A senior executive left or was appointed8-K 5.02 ↗
- Apr 11, 24A senior executive left or was appointed8-K 5.02 ↗
- Jan 25, 24Listing notice (8-K 3.01)+3 more in the same filing8-K 3.01 ↗
- Oct 6, 23A senior executive left or was appointed8-K 5.02 ↗
- Mar 9, 23Entered a material agreement8-K 1.01 ↗
6 senior executive changes2022 – 2023show all 6hide
- Feb 13, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Sep 27, 22A senior executive left or was appointed8-K 5.02 ↗
- Sep 12, 22A senior executive left or was appointed8-K 5.02 ↗
- Jul 22, 22A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 27, 22A senior executive left or was appointed8-K 5.02 ↗
- May 31, 22A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- May 24, 22Listing notice (8-K 3.01)8-K 3.01 ↗
- May 16, 22A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 8, 21A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Apr 6, 21A material agreement was terminated8-K 1.02 ↗
- Feb 10, 21A senior executive left or was appointed8-K 5.02 ↗
3 older filings not shown
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13D: stake and stated purpose
Filed by holders above 5% of a share class who cannot use the short form. It includes the investor's stated purpose: read it before assuming they seek influence.
- Matrix Capital Management Company, LP10.0%Dec 15, 25SCHEDULE 13D/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- Walters William T18.8%Aug 14, 26SCHEDULE 13G/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum. · 4 earlier filings
- Andrew J. Schwab6.4%Dec 18, 25SCHEDULE 13G ↗7 co-filers on this document — the figure is the largest single stake, not their sum.
- BlackRock, Inc.5.2%Jun 30, 26SCHEDULE 13G ↗1 earlier filing
- Squadron Master Fund LP5.1%Feb 24, 26SCHEDULE 13G ↗4 co-filers on this document — the figure is the largest single stake, not their sum.
- Barclays PLC3.2%Jun 30, 26SCHEDULE 13G/A ↗1 earlier filing
show one more holderhide
- Millennium Management LLC1.3%Sep 30, 25SCHEDULE 13G/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
- Aug 14, 26Buy$15.2MWALTERS GROUP↗
- Feb 10, 26Sell$17KVincent VultaggioPAO and PFO↗
- Feb 9, 26Sell$2KJULIA MARIE EASTLANDCEO & President↗
- Feb 9, 26Sell$802Ingmar BrunsChief Medical Officer↗
- Feb 9, 26Sell$8KVincent VultaggioPAO and PFO↗
- Feb 6, 26Sell$19KJULIA MARIE EASTLANDCEO & President↗
- Feb 6, 26Sell$7KIngmar BrunsChief Medical Officer↗
- Feb 6, 26Sell$73KVincent VultaggioPAO and PFO↗
- Feb 3, 26Sell$1KVincent VultaggioPAO and PFO↗
- Feb 2, 26Sell$6KVincent VultaggioPAO and PFO↗
- Dec 31, 25Buy$7.8MWALTERS GROUP↗
- Dec 15, 25Sell$10.0MMatrix Capital Management Company, LP↗
There are 10 more transactions in this stretch.
Stock compensation, tax and giftsshow the 18 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Sep 30, 26Compensation$21KIngmar BrunsChief Medical Officer↗
- Jun 16, 26Compensationamount n/aScott Dunseth Myers↗
- Jun 16, 26Compensationamount n/aLuke Nathaniel Walker↗
- Jun 16, 26Compensationamount n/aDavid Michael Johnson↗
- Jun 16, 26Compensationamount n/aJan Skvarka↗
- Jun 16, 26Compensationamount n/aEnoch Kariuki↗
- May 26, 26Compensationamount n/aShannon Campbell↗
- Jun 17, 25Compensationamount n/aScott Dunseth Myers↗
- Jun 17, 25Compensationamount n/aEnoch Kariuki↗
- Jun 17, 25Compensationamount n/aDavid Michael Johnson↗
- Jun 17, 25Compensationamount n/aJan Skvarka↗
- Jun 17, 25Compensationamount n/aLuke Nathaniel Walker↗
- Feb 3, 25Compensationamount n/aJULIA MARIE EASTLANDCEO & President↗
- Feb 3, 25Compensationamount n/aIngmar BrunsChief Medical Officer↗
- Feb 3, 25Compensationamount n/aAndrea PaulChief Legal Officer↗
- Feb 3, 25Compensationamount n/aMark LacknerChief Scientific Officer↗
- Feb 3, 25Compensationamount n/aVincent VultaggioPAO and Interim PFO↗
- Nov 13, 24Compensationamount n/aScott Dunseth Myers↗
The full record holds 98 transactions and goes back to Nov 9, 22.
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Zentalis Pharmaceuticals, Inc. among Health Care companies
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