Every Form 4 that Richtech Robotics Inc. (RR) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow RR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full RR filings page.
RICHTECH ROBOTICS INC. reported an insider transaction by former officer Matthew G. Casella. On February 19, 2026, Casella executed an open-market sale of 12,500 Common Shares Class B at a price of $2.68 per share, leaving him with no remaining directly owned shares. The sale was made pursuant to Rule 144.
Richtech Robotics Inc. former officer Matthew G. Casella reported selling a total of 60,000 shares of the company’s Class B common stock in open-market transactions under Rule 144. He sold 40,000 shares at $2.995 on February 13, 2026, then 20,000 shares at $2.79 on February 17, 2026. Following these sales, he no longer directly owns any Class B common shares of Richtech Robotics.
Richtech Robotics Inc. president Matthew G. Casella reported receiving 60,000 shares of Class B common stock on December 4, 2025. The filing shows this as an acquisition at a price of $0 per share, bringing his directly held Class B common stock to 60,000 shares after the transaction. A footnote explains that these shares are restricted stock awards (RSAs) granted by the company’s Board of Directors and that the RSAs were fully vested on the grant date, meaning Casella’s ownership in these shares was not subject to a vesting schedule.
Richtech Robotics Inc. director Stephen Markscheid reported multiple grants of Class B common stock through restricted stock awards approved by the board. The filings show awards of 12,000 shares on July 8, 2024, 10,000 shares on November 20, 2024, 18,000 shares on February 17, 2025, and 24,000 shares on October 29, 2025, all at a grant price of $0 per share.
The July and November 2024 awards were fully vested on the grant dates. The February 2025 grant vests in three 6,000-share installments on February 17, May 17, and August 17, 2025, while the October 2025 grant vests quarterly in equal installments beginning November 17, 2025. Following these transactions, Markscheid directly holds 64,000 Class B shares.
Richtech Robotics Inc. (RR) director John Shigley reported equity compensation grants in the form of Class B common stock restricted stock awards. The filing shows four awards at a price of $0 per share and direct ownership.
He received 12,000 shares on July 8, 2024 and 10,000 shares on November 20, 2024, with both awards fully vested on the grant dates. On February 17, 2025, he was granted 18,000 shares, with 6,000 shares vesting on each of February 17, 2025, May 17, 2025 and August 17, 2025. On October 29, 2025, he received 24,000 shares that vest quarterly in equal installments beginning November 17, 2025.
After these transactions, Shigley beneficially owns 64,000 shares of Class B common stock directly.
Richtech Robotics Inc. CEO and director Huang Zhenwu reported equity compensation and related tax withholding in Class B Common Stock. On December 4, 2025, he received 400,000 restricted stock awards that were fully vested on the grant date at a stated price of $0 per share. On the same date, 180,000 Class B shares were withheld at $4.59 per share to satisfy his tax liability from the RSA vesting, a step approved by the Board of Directors. After these transactions, he directly beneficially owned 30,528,000 Class B Common Stock shares.
Richtech Robotics Inc. reported an insider equity transaction by Chief Financial Officer and director Huang Zhenqiang, who is also a 10% owner. On December 4, 2025, Huang received 400,000 shares of Class B common stock as restricted stock awards granted by the board, which were fully vested on the grant date at a stated price of $0 per share. On the same day, 180,000 Class B shares were withheld to cover Huang’s tax liability related to the vesting, at a price of $4.59 per share, with the withholding approved by the board. After these transactions, Huang directly beneficially owned 8,112,000 shares of Class B common stock.
Richtech Robotics Inc. Chief Operating Officer Phil Zheng reported equity compensation activity in Class B Common Stock. On December 4, 2025, he received 600,000 restricted stock awards granted by the Board of Directors, which were fully vested on the grant date and reported at a price of $0 per share. On the same date, 222,000 shares were withheld at a reported price of $4.59 per share to cover his tax liability related to the RSA vesting, a withholding approved by the Board. After these transactions, he directly beneficially owned 1,378,000 shares of Class B Common Stock.
Richtech Robotics Inc. director Saul Factor reported multiple equity awards of Class B common stock received as compensation. He was granted 12,000 restricted stock awards on July 8, 2024 and 10,000 on November 20, 2024, both fully vested on the grant dates. He was then granted 18,000 restricted stock awards on February 17, 2025, with 6,000 vesting on each of February 17, 2025, May 17, 2025 and August 17, 2025. A further 24,000 restricted stock awards were granted on October 29, 2025 and vest quarterly in equal installments beginning November 17, 2025. Following the latest grant, he beneficially owned 64,000 shares of Class B common stock directly.
Richtech Robotics (RR) filed a Form 4/A amending a prior insider report. The amendment clarifies that an attempted transfer of 200,000 shares to CEO Zhenwu (Wayne) Huang on 10/01/2025 was rejected by the issuer and transfer agent, so no transfer occurred. The original report was filed on 10/03/2025.
Following this correction, the reporting person beneficially owns 30,308,000 shares of Class A Common Stock, held directly.
Richtech Robotics (RR) filed a Form 4/A correcting an earlier insider report. The filing states that an attempted transfer of 200,000 shares of common stock to the reporting person was rejected by the issuer and transfer agent, so no transfer occurred.
The table reflects a non-derivative entry for Class B Common Stock on 10/01/2025 with transaction code J and an amount of 0, indicating no change. Following the reported item, the reporting person shows 1,000,000 shares beneficially owned (Direct). This amendment clarifies ownership without recording an actual acquisition or disposition.