Insider Trading (Form 4)
See all →Lingtao Kong, a Director of China Jo-Jo Drugstores, Inc., purchased 100,000 shares of common stock on July 16, 2026.
HRT Financial LP reports significant acquisition of Ridgetech Inc. common stock on June 30 and July 1, 2026.
HRT Financial LP reported a significant transaction involving Ridgetech Inc. Class A Shares, acquiring 57,998 shares at $1.60 each.
HRT Financial LP disclosed transactions involving Ridgetech Inc. common stock, acquiring 8,091 shares.
HRT FINANCIAL LP reports a significant acquisition of Ridgetech Inc. common stock, increasing its direct beneficial ownership.
HRT Financial LP acquired 19,373 shares of Ridgetech Inc. common stock at a price of $1.608 per share.
Schedule 13D - Activist Investments
SCHEDULE: Ridgetech Inc. Shareholder Filing Update
Lingtao Kong amends Schedule 13D, reporting beneficial ownership of 114,834 Ridgetech Inc. ordinary shares, representing 3.2% of the class.
Lingtao Kong's beneficial ownership in Ridgetech Inc. now stands at 12.2% due to an increase in outstanding shares, with no personal share transactions since March 2025.
Capital raise
SCHEDULE 13D: Ridgetech Inc. Undergoes Significant Ownership and Leadership Shift with Lingtao Kong's Strategic Acquisition
Lingtao Kong, the newly appointed Chairman of Ridgetech Inc., has acquired a 38.0% beneficial ownership stake in the company through a strategic equity exchange, concurrently with a divestiture of a subsidiary.
SCHEDULE 13D/A: Ridgetech Inc. CEO Lei Liu Divests All Shares and Resigns Following Equity Exchange Agreement
Lei Liu, former CEO of Ridgetech Inc., has divested all his shares and resigned from the company's board and officer positions following an equity exchange agreement that transferred a subsidiary to another entity.
Worse than expected