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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell●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, 2026Reported sale · Form 4DAVID BRIAN MILLER · $600.0KOpen the filing ↗
- Sep 29, 2026Notice of sale · Form 144DAVID B MILLER · Director · $600.0KOpen the filing ↗
- Aug 21, 2026Reported sale · Form 4Susan D Lynch · $302.3KOpen the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record1,7189 flagged findings
Reported transactions (Form 4)80since Mar 1, 2024 · and 1 other holding
Corporate events (8-K)30since Aug 27, 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
Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.
Source: Wikipedia (CC BY-SA 4.0) · 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.
- 2026-05-21share offering or dilution eventrecentOpen filing ↗“…not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant…”
+1 more passage from the same document
- “…or the solicitation of an offer to buy, the Notes or the shares of Common Stock, if any, issuable upon conversion of the Notes. Item…”
- 2026-05-21capital return (buybacks/dividends)recentOpen filing ↗“…Notes unless at least $100.0 million aggregate principal amount of Notes are outstanding and not subject to redemption as of…”
+1 more passage from the same document
- “…(as defined in the Indenture) occur, then, subject to certain exceptions, noteholders may require the Company to repurchase their…”
- 2026-05-18share offering or dilution eventrecentOpen filing ↗“…accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 8.01 Other Events On May 18, 2026, Onto…”
- 2026-05-05capital return (buybacks/dividends)recentOpen filing ↗“…Company’s total accounts receivable. One customer’ s accounts receivable balances was individually greater than 10.0 % of net…”
+1 more passage from the same document
- “…greater than 10.0 % of net accounts receivable at January 3, 2026 , representing, approximately 12.2 % of the Company’s total…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 1,718)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 1, 26Form 4 ↗Insider transaction
- Sep 29, 26Form 144 ↗Notice of proposed sale
- Sep 4, 26Form 4/A ↗Insider transaction · amendment
- Aug 25, 26Form 4 ↗Insider transaction
- Aug 21, 26Form 144 ↗Notice of proposed sale
- Aug 10, 268-K ↗Current report · Completed an acquisition or disposal
- Aug 6, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results
- May 21, 268-K ↗Current report · Entered a material agreement
- May 20, 268-K ↗Current report · Shareholder vote results
- May 18, 268-K ↗Current report · Other events
- May 5, 2610-Q ↗Quarterly report
- May 5, 268-K ↗Current report · Results
- Apr 29, 26SCHEDULE 13G ↗Passive stake · Vanguard Portfolio Management · 5.5% · event on Mar 31, 26
- Apr 29, 26SCHEDULE 13G ↗Passive stake · Vanguard Capital Management · 5.2% · event on Mar 31, 26
1,718 filings on record, the oldest from Feb 15, 95.
Listing the 25 most recent filings of the 1,718 on record.
44395
- Aug 10, 26Completed an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
- May 21, 26Entered a material agreement+4 more in the same filing8-K 1.01 ↗
- Apr 21, 26Entered a material agreement+3 more in the same filing8-K 1.01 ↗
- Nov 21, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Nov 17, 25Completed an acquisition or disposal+3 more in the same filing8-K 2.01 ↗
- Oct 10, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Jul 11, 25A senior executive left or was appointed+1 more in the same filing8-K/A 5.02 ↗
- Jun 30, 25Entered a material agreement+3 more in the same filing8-K 1.01 ↗
18 senior executive changes2021 – 2025show all 18hide
- Jun 16, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 12, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Apr 1, 25A senior executive left or was appointed8-K 5.02 ↗
- Jul 16, 24A senior executive left or was appointed8-K 5.02 ↗
- Mar 18, 24A senior executive left or was appointed8-K 5.02 ↗
- Jan 12, 24A senior executive left or was appointed8-K 5.02 ↗
- Sep 15, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Apr 26, 23A senior executive left or was appointed8-K 5.02 ↗
- Jan 24, 23A senior executive left or was appointed8-K 5.02 ↗
- May 17, 22A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Mar 21, 22A senior executive left or was appointed8-K 5.02 ↗
- Jan 21, 22A senior executive left or was appointed8-K 5.02 ↗
- Jan 7, 22A senior executive left or was appointed8-K 5.02 ↗
- Dec 20, 21A senior executive left or was appointed8-K 5.02 ↗
- Nov 29, 21A senior executive left or was appointed8-K 5.02 ↗
- Oct 5, 21A senior executive left or was appointed8-K 5.02 ↗
- Sep 13, 21A senior executive left or was appointed8-K 5.02 ↗
- Aug 27, 21A senior executive left or was appointed8-K 5.02 ↗
The record reaches back to Aug 23, 04.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Oct 28, 19Listing notice (8-K 3.01)+8 more in the same filing8-K 3.01 ↗
- Feb 20, 13Listing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
- Jan 10, 08Restructuring plan with committed costs+2 more in the same filing8-K 2.05 ↗
- Oct 27, 05Past accounts declared unreliable and being restated+2 more in the same filing8-K 4.02 ↗
The full record holds 4 stress filings.
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.10.3%Sep 30, 25SCHEDULE 13G/A ↗1 earlier filing
- Vanguard Portfolio Management5.5%Mar 31, 26SCHEDULE 13G ↗
- Vanguard Capital Management5.2%Mar 31, 26SCHEDULE 13G ↗
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 29, DAVID B MILLER filed notice of intent to sell up to $600K. It is filed under a scheduled plan (10b5-1), arranged in advance.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
After the notice, they sold $600K on Sep 29, per their Form 4. That is 100% of the shares announced so far, and the window is still open.
View notice (Form 144) ↗+1 more recent notices · 1 with a later sale
Stock compensation, tax and giftsshow the 38 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 2, 26Tax$824KBRIAN K ROBERTSChief Financial Officer↗
- Sep 2, 26Tax$386KShirley ChenSenior Vice President of Custo↗
- May 20, 26Compensationamount n/aCHRISTOPHER A SEAMS↗
- May 20, 26Compensationamount n/aDAVID BRIAN MILLER↗
- May 20, 26Compensationamount n/aSTEPHEN S SCHWARTZ↗
- May 20, 26Compensationamount n/aStephen Douglas Kelley↗
- May 20, 26Compensationamount n/aSusan D Lynch↗
- May 20, 26Compensationamount n/aMay Su↗
- May 15, 26Tax$144KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- May 15, 26Tax$59KRAMIL YALDAEIChief Operating Officer↗
- May 15, 26Tax$170KRAMIL YALDAEIChief Operating Officer↗
- Mar 3, 26Tax$776KMichael P PlisinskiChief Executive Officer↗
- Mar 3, 26Tax$87KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Mar 3, 26Tax$128KRAMIL YALDAEIChief Operating Officer↗
- Mar 3, 26Tax$170KIdo DolevEVP, Prod Solutions Grp↗
- Mar 2, 26Compensationamount n/aBRIAN K ROBERTSChief Financial Officer↗
- Mar 2, 26Compensationamount n/aMichael P PlisinskiChief Executive Officer↗
- Mar 2, 26Compensationamount n/aYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Mar 2, 26Compensationamount n/aRAMIL YALDAEIChief Operating Officer↗
- Mar 2, 26Compensationamount n/aIdo DolevEVP, Prod Solutions Grp↗
- Mar 2, 26Compensationamount n/aShirley ChenSVP Customer Success↗
- Mar 1, 26Compensationamount n/aMichael P PlisinskiChief Executive Officer↗
- Mar 1, 26Tax$480KMichael P PlisinskiChief Executive Officer↗
- Mar 1, 26Tax$416KMichael P PlisinskiChief Executive Officer↗
- Mar 1, 26Compensationamount n/aYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Mar 1, 26Tax$66KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Mar 1, 26Tax$58KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Mar 1, 26Compensationamount n/aRAMIL YALDAEIChief Operating Officer↗
- Mar 1, 26Tax$75KRAMIL YALDAEIChief Operating Officer↗
- Mar 1, 26Tax$60KRAMIL YALDAEIChief Operating Officer↗
- Feb 14, 26Compensationamount n/aMichael P PlisinskiChief Executive Officer↗
- Feb 14, 26Tax$1.9MMichael P PlisinskiChief Executive Officer↗
- Feb 14, 26Tax$789KMichael P PlisinskiChief Executive Officer↗
- Feb 14, 26Compensationamount n/aYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Feb 14, 26Tax$238KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Feb 14, 26Tax$109KYoon Ah OHSVP, Gen Counsel & Corp Sec↗
- Dec 24, 25Giftamount n/aMichael P PlisinskiChief Executive Officer↗
- Dec 2, 25Tax$490KIdo DolevEVP, Prod Solutions Grp↗
The full record holds 216 transactions and goes back to Feb 7, 23.
Its sector and its market
Onto Innovation Inc. among Information Technology companies
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- 250 clean closes in the period.
- SEC records
- 1,718 documents on file, from Feb 15, 1995 to Oct 1, 2026.
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- Wikipedia, read on Sep 3, 2026.
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- Generated on Oct 19, 2026; refreshed through the day.
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Which SEC documents appear here?
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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It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.
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