LYTIR

Company · RDGT

Ridgetech, Inc.

Name as listed on its exchange; filed with the SEC as Ridgetech Inc.

Nasdaq's symbol directory lists RDGT on Nasdaq as “Ridgetech, Inc. - Ordinary Shares”.

In the 12 months to Nov 8, 2026: insiders bought on 2 occasions ($62K); insiders sold on 3 occasions ($116K); 1 filing by holders of 5% or more.

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $62K in total; Insider sales: $116K in total.Jun: Insider purchases $47KJun: Insider sales $116KJul: Insider purchases $15KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $62KInsider sales below: $116K
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. HRT FINANCIAL LP sold on 3 days bought on 2 days latest Jul 1, 2026 sold $116K · bought $62K
Every trade (5)
  1. BUYHRT FINANCIAL LP bought Jul 1, 2026 10,197 shares filing $15K
  2. BUYHRT FINANCIAL LP bought Jun 30, 2026 30,939 shares filing $47K
  3. SELLHRT FINANCIAL LP sold Jun 16, 2026 57,998 shares filing $93K
  4. SELLHRT FINANCIAL LP sold Jun 15, 2026 8,091 shares filing $13K
  5. SELLHRT FINANCIAL LP sold Jun 12, 2026 6,526 shares filing $10K

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. Kong Lingtao filed Jul 20, 2026 Schedule 13D/A may seek influence 114,834 shares filing 3.2%

Sources: SEC EDGAR (Forms 4 and 144) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.