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See how Context works →On the price, the facts of the public record●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.
- Sep 29, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Sep 2, 2026Notice of sale · Form 144PHILIPPE BUSQUE · Officer · $146.5KOpen the filing ↗
- Aug 24, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record44125 flagged findings
Reported transactions (Form 4)80since May 18, 2026 · and 2 other holdings
Corporate events (8-K)12since Aug 30, 2021
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.
What the company does
biotechnology company and producer of scientific instruments
Source: Wikidata (CC0 1.0) · copied on Sep 3, 2026 · may not reflect recent changes.
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.
- 2026-05-07listing compliance noticerecentOpen filing ↗“…stock when you wish to do so. In the event of a delisting, we can provide no assurance that any action taken by us to restore…”
+1 more passage from the same document
- “…our common stock when you wish to do so. In the event of a delisting, we can provide no assurance that any action taken by us to…”
- 2026-05-07export control restrictionsrecentOpen filing ↗“…tariffs. As of March 31, 2026, the Company has not recognized any asset related to potential tariff refunds, as any such amounts…”
- 2026-05-07capital return (buybacks/dividends)recentOpen filing ↗“…capital Accumulated deficit Accumulated other comprehensive income (loss) Total stockholders’ equity Balances at December 31, 2024…”
+1 more passage from the same document
- “…( 2 ) Net cash (used in) provided by investing activities ( 27,079 ) 9,452 Cash flows from financing activities: Repayment of loan (…”
- 2026-05-07regulatory investigationrecentOpen filing ↗“…from the market, voluntary or mandatory recalls, a requirement to repair, replace or refund the cost of any medical device we…”
- 2026-05-07Department of Justice inquiryrecentOpen filing ↗“…to other jurisdictions, particularly to the United States, are subject to increased scrutiny from regulators, individual litigants,…”
- 2026-02-26share offering or dilution eventrecentOpen filing ↗“…net proceeds to us of approximately $215.7 million. We have also benefited from operating cash flows from the sale of our products…”
+1 more passage from the same document
- “…statement on Form S-3ASR (File No. 333-267118) (the “Registration Statement”). In connection with the filing of the Registration…”
- 2026-02-26listing compliance noticerecentOpen filing ↗“…stock when you wish to do so. In the event of a delisting, we can provide no assurance that any action taken by us to restore…”
+1 more passage from the same document
- “…our common stock when you wish to do so. In the event of a delisting, we can provide no assurance that any action taken by us to…”
- 2026-02-26export control restrictionsrecentOpen filing ↗“…of our products, nor can we predict future trade policy or the terms of any renegotiated trade agreements and their impact on our…”
3 older entries not shown
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 441)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Sep 29, 268-K ↗Current report · Bylaws or fiscal year change
- Sep 2, 26Form 144 ↗Notice of proposed sale
- Aug 24, 268-K ↗Current report · Communication to the market · Other events
Insider transaction · 7 Form 4 filingsshow all 7hide
- Aug 6, 26SCHEDULE 13G/A ↗Passive stake · Millennium Management LLC · 7.2% · event on Jun 30, 26 · amendment
- Aug 5, 2610-Q ↗Quarterly report
- Aug 5, 268-K ↗Current report · Results
- Aug 4, 26SCHEDULE 13G ↗Passive stake · Boston Partners · 5.9% · event on Jun 30, 26
- Jul 15, 268-K ↗Current report · A senior executive left or was appointed
- Jul 8, 26SCHEDULE 13G/A ↗Passive stake · BlackRock, Inc. · 7.2% · event on Jun 30, 26 · amendment
- Jun 30, 26Form 3 ↗Insider transaction
- Jun 25, 268-K ↗Current report · A senior executive left or was appointed
- Jun 16, 26Form 4 ↗Insider transaction
- Jun 16, 268-K ↗Current report · Shareholder vote results
441 filings on record, the oldest from May 18, 21.
Listing the 25 most recent filings of the 441 on record.
39
6 senior executive changes2024 – 2026show all 6hide
- Jul 15, 26A senior executive left or was appointed8-K 5.02 ↗
- Jun 25, 26A senior executive left or was appointed8-K 5.02 ↗
- Jun 2, 26A senior executive left or was appointed8-K 5.02 ↗
- Sep 12, 24A senior executive left or was appointed8-K 5.02 ↗
- Mar 19, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Feb 27, 24A senior executive left or was appointed8-K 5.02 ↗
- Feb 28, 23Completed an acquisition or disposal+1 more in the same filing8-K 2.01 ↗
- Feb 13, 23Entered a material agreement+2 more in the same filing8-K 1.01 ↗
3 senior executive changes2022show all 3hide
- Nov 1, 22A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Mar 2, 22A senior executive left or was appointed8-K 5.02 ↗
- Jan 6, 22A senior executive left or was appointed8-K 5.02 ↗
- Aug 30, 21Entered a material agreement8-K 1.01 ↗
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 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.
- BlackRock, Inc.7.2%Jun 30, 26SCHEDULE 13G/A ↗2 earlier filings
- Millennium Management LLC7.2%Jun 30, 26SCHEDULE 13G/A ↗4 co-filers on this document — the figure is the largest single stake, not their sum. · 2 earlier filings
- The Vanguard Group6.1%Jun 30, 25SCHEDULE 13G/A ↗1 earlier filing
- Boston Partners5.9%Jun 30, 26SCHEDULE 13G ↗
- Topline Capital Management, LLC5.3%Sep 25, 25SCHEDULE 13G ↗3 co-filers on this document — the figure is the largest single stake, not their sum.
show one more holderhide
- Brown Capital Management, LLC3.9%Sep 30, 25SCHEDULE 13G/A ↗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.
Sale intention announced
On Sep 2, PHILIPPE BUSQUE filed notice of intent to sell up to $147K. That is about 0.02% of shares outstanding.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
No sale of theirs is on record yet in Form 4; the 90-day window is still open.
No purchases or sales are on record in this stretch; only other transactions (compensation, withholding, exercises or gifts).
Stock compensation, tax and giftsshow the 40 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.
- Aug 18, 26Compensationamount n/aGLENN P MUIR↗
- Aug 18, 26Compensationamount n/aRichard Chin↗
- Aug 18, 26Compensationamount n/aMichael Holder↗
- Aug 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Tax$13KWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Tax$25KWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Tax$33KWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Tax$98KWenbin JiangPRESIDENT AND CEO↗
- Aug 18, 26Compensationamount n/aMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Tax$8KMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Compensationamount n/aMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Tax$6KMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Compensationamount n/aMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Tax$7KMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Compensationamount n/aMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Tax$16KMing YanCHIEF TECHNOLOGY OFFICER↗
- Aug 18, 26Compensationamount n/aWilliam D. McCombeChief Financial Officer↗
- Aug 18, 26Tax$10KWilliam D. McCombeChief Financial Officer↗
- Aug 18, 26Compensationamount n/aWilliam D. McCombeChief Financial Officer↗
- Aug 18, 26Tax$21KWilliam D. McCombeChief Financial Officer↗
- Aug 18, 26Compensationamount n/aWilliam D. McCombeChief Financial Officer↗
- Aug 18, 26Tax$25KWilliam D. McCombeChief Financial Officer↗
- Jun 12, 26Giftamount n/aMing YanCHIEF TECHNOLOGY OFFICER↗
- Jun 10, 26Compensationamount n/aDEBORAH J NEFF↗
- Jun 10, 26Compensationamount n/aMichael Holder↗
- Jun 10, 26Compensationamount n/aJack Ball↗
- Jun 10, 26Compensationamount n/aVera Imper↗
- May 18, 26Compensationamount n/aRichard Chin↗
- May 18, 26Compensationamount n/aMichael Holder↗
- May 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Tax$7KWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Tax$13KWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Tax$18KWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Compensationamount n/aWenbin JiangPRESIDENT AND CEO↗
- May 18, 26Tax$53KWenbin JiangPRESIDENT AND CEO↗
The full record holds 499 transactions and goes back to Sep 8, 22.
Its sector and its market
Cytek Biosciences, Inc. among Health Care companies
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- 441 documents on file, from May 18, 2021 to Sep 29, 2026.
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- Wikidata, read on Sep 3, 2026.
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Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
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