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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell◆Adverse 8-K filing●Results filed
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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.
- Oct 2, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Sep 21, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Aug 25, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record1445 flagged findings
Reported transactions (Form 4)36since Dec 26, 2023 · and 4 other holdings
Corporate events (8-K)30since Mar 22, 2024
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
American automation company
Source: Wikidata (CC0 1.0) · copied on Sep 3, 2026 · may not reflect recent changes.
The 25 most recent filings (of 144)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 2, 268-K ↗Current report · A senior executive left or was appointed
- Sep 21, 268-K ↗Current report · Other events
- Sep 10, 26DEFA14A ↗Shareholder meeting and votes
- Sep 8, 26DEF 14A ↗Shareholder meeting and votes
- Aug 25, 268-K ↗Current report · A senior executive left or was appointed
- Aug 19, 2610-Q ↗Quarterly report
- Aug 14, 26NT 10-Q ↗Late filing notice
- Aug 7, 2610-Q ↗Quarterly report
- Aug 7, 2610-Q/A ↗Quarterly report · amendment
- Aug 7, 2610-K/A ↗Annual report · amendment
- Jul 28, 268-K ↗Current report · Other events
- Jun 12, 268-K ↗Current report · Past accounts declared unreliable and being restated
- Jun 3, 268-K ↗Current report · Completed an acquisition or disposal
- May 28, 268-K ↗Current report · Listing notice (8-K 3.01)
- May 15, 26NT 10-Q ↗Late filing notice
- Apr 7, 268-K ↗Current report · Entered a material agreement
- Mar 30, 268-K/A ↗Current report · Auditor change filing (8-K Item 4.01) · amendment
- Mar 27, 26SCHEDULE 13G/A ↗Passive stake · amendment
- Mar 19, 268-K ↗Current report · Auditor change filing (8-K Item 4.01)
- Feb 25, 26CORRESP ↗Correspondence with the SEC
- Feb 24, 26UPLOAD ↗Correspondence with the SEC
- Feb 20, 26Form 4 ↗Insider transaction
- Feb 18, 26Form 144 ↗Notice of proposed sale
- Feb 18, 26S-1 ↗Securities offering
- Feb 17, 26Form 4 ↗Insider transaction
144 filings on record, the oldest from Mar 13, 23.
Listing the 25 most recent filings of the 144 on record.
3277
- Oct 2, 26A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Aug 25, 26A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jun 12, 26Past accounts declared unreliable and being restated+1 more in the same filing8-K 4.02 ↗
- Jun 3, 26Completed an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
- May 28, 26Listing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
- Apr 7, 26Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Mar 30, 26Auditor change filing (8-K Item 4.01)+1 more in the same filing8-K/A 4.01 ↗
- Mar 19, 26Auditor change filing (8-K Item 4.01)+1 more in the same filing8-K 4.01 ↗
- Jan 30, 26Sold unregistered shares+3 more in the same filing8-K 3.02 ↗
3 senior executive changes2025show all 3hide
- Dec 5, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Nov 4, 25A senior executive left or was appointed8-K 5.02 ↗
- Oct 1, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
3 material agreements entered2025show all 3hide
- Aug 28, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Aug 25, 25Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Jun 30, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- May 19, 25Completed an acquisition or disposal+1 more in the same filing8-K 2.01 ↗
8 older filings not shown · The record reaches back to Nov 22, 23.
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 31, 24Listing notice (8-K 3.01)+1 more in the same filing8-K 3.01 ↗
The full record holds 3 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.7.1%Dec 31, 25SCHEDULE 13G ↗2 earlier filings
- The Vanguard Group5.3%Dec 31, 25SCHEDULE 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.
- Feb 19, 26Sell$34KMatthew G. Casella↗
- Feb 17, 26Sell$56KMatthew G. Casella↗
- Feb 13, 26Sell$120KMatthew G. Casella↗
- Oct 1, 25Buyamount n/aPhil ZhengChief Operating Officer↗
- Oct 1, 25Buyamount n/aZhenwu HuangChief Executive Officer↗
- Sep 22, 25Sell$511KPhil ZhengChief Operating Officer↗
- Aug 26, 25Sell$301KPhil ZhengChief Operating Officer↗
- Jun 5, 25Sell$139KPhil ZhengChief Operating Officer↗
- Jun 3, 25Sell$99KPhil ZhengChief Operating Officer↗
- May 29, 25Sell$278KPhil ZhengChief Operating Officer↗
- Mar 13, 25Sell$100KMatthew G. CasellaPresident↗
- Aug 8, 24Sell$756KKing Bliss Ltd↗
Stock compensation, tax and giftsshow the 23 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.
- Dec 4, 25Compensationamount n/aPhil ZhengChief Operating Officer↗
- Dec 4, 25Tax$1.0MPhil ZhengChief Operating Officer↗
- Dec 4, 25Compensationamount n/aZhenqiang HuangChief Financial Officer↗
- Dec 4, 25Tax$826KZhenqiang HuangChief Financial Officer↗
- Dec 4, 25Compensationamount n/aZhenwu HuangChief Executive Officer↗
- Dec 4, 25Tax$826KZhenwu HuangChief Executive Officer↗
- Dec 4, 25Compensationamount n/aMatthew G. CasellaPresident↗
- Oct 29, 25Compensationamount n/aSaul Factor↗
- Oct 29, 25Compensationamount n/aJohn Shigley↗
- Oct 29, 25Compensationamount n/aStephen Markscheid↗
- Oct 1, 25Otheramount n/aPhil ZhengChief Operating Officer↗
- Oct 1, 25Otheramount n/aZhenwu HuangChief Executive Officer↗
- Feb 17, 25Compensationamount n/aSaul Factor↗
- Feb 17, 25Compensationamount n/aJohn Shigley↗
- Feb 17, 25Compensationamount n/aStephen Markscheid↗
- Nov 28, 24Compensationamount n/aPhil ZhengChief Operating Officer↗
- Nov 28, 24Compensationamount n/aMatthew G. CasellaPresident↗
- Nov 20, 24Compensationamount n/aSaul Factor↗
- Nov 20, 24Compensationamount n/aJohn Shigley↗
- Nov 20, 24Compensationamount n/aStephen Markscheid↗
- Jul 8, 24Compensationamount n/aSaul Factor↗
- Jul 8, 24Compensationamount n/aJohn Shigley↗
- Jul 8, 24Compensationamount n/aStephen Markscheid↗
The full record holds 35 transactions and goes back to Nov 13, 23.
Its sector and its market
Richtech Robotics Inc. among Industrials companies
The profile shows what is on record. Context and Radar place the company among those of its sector and region.
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- SEC records
- 144 documents on file, from Mar 13, 2023 to Oct 2, 2026.
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- Wikidata, read on Sep 3, 2026.
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- Generated on Oct 19, 2026; refreshed through the day.
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