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Insider trade

Supermicro (SMCI)CFO sold ~$12K

David E Weigand, CFO at Supermicro, sold ~$12K of Supermicro shares.

~$12K
Approx. value · 300 sh @ $40.85
100K
Holds after · shares reported
Traded
Sep 3, 2025
Filed
Sep 5, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Jul 28, 2025Insider · 2 peopleInsiders: 2 sales (~$24.0M)
  2. Aug 22, 2025InsiderOfficer sold ~$1.76M of SMCI shares in the open market
  3. Sep 3, 2025 · this disclosureInsiderCFO sold ~$12K of SMCI shares in the open market

What came next

  1. Sep 3, 2025InsiderCFO sold ~$995K of SMCI shares in the open market
  2. Sep 5, 2025CongressDisclosed purchase of SMCI — reported range $1,001 - $15,000
  3. Sep 15, 2025InsiderCFO sold ~$1.13M of SMCI shares in the open market
  4. Oct 23, 2025Company filing · Form 8-K · ResultsReported its results
  5. Oct 31, 20255% stakeThe Vanguard Group reported a passive stake (13G) of 11.6%
  6. Nov 4, 2025Company filing · Form 8-K · ResultsReported its results
  7. Nov 12, 2025CongressDisclosed partial sale of SMCI — reported range $1,001 - $15,000
  8. Nov 17, 2025Government · Federal Register noticeNotice of Receipt of Complaint; Solicitation of Comments Relating to the Public Interest
  9. Nov 19, 2025Government · Federal Register noticeNotice of Receipt of Complaint; Solicitation of Comments Relating to the Public Interest
  10. Nov 24, 2025Insider · Named in an 8-K 28 days laterOfficer sold ~$1.87M of SMCI shares in the open market
  11. Nov 26, 2025InsiderDirector sold ~$1.6M of SMCI shares in the open market
  12. Dec 19, 2025Government · Federal Register noticeCertain Semiconductor Devices, Computing Products Containing the Same, and Components Thereof; Notice of Institution
  13. Dec 22, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“Departure of Directors or Certain Officers; Election of Directors; Appointment Certain Officers; Compensatory Arrangements of Certain Officers George Kao, Senior Vice President of Operations, informed the Company that he will retire on December 31, 2025.”
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Supermicro

For Supermicro, OQRO holds 11 insider filings (SEC Form 4 or Form 144) and 7 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SMCI page.

Other recent filings by David E Weigand, SVP, Chief Financial Officer

The full history of David E Weigand, SVP, Chief Financial Officer is on the profile page.

How this filing works

Other disclosures at Supermicro

Everything OQRO holds on this company is on its SMCI page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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