Under takeover rules, if Usmanov accepts the offer it would trigger the sale of the remaining minority shareholders' shares, many of whom have preserved a small holding for decades, and place the club under the private control of Kroenke.
Stan Kroenke, who owns 67% of Arsenal FC, has made an offer to buy the remainder of the club.
The statement continues: 'The most awful part of this announcement is the news that Kroenke plans to forcibly purchase the shares held by Arsenal fans.
Kroenke has received "an irrevocable undertaking" from the Uzbek-born Russian billionaire to sell his 30 per cent stake in the club. Usmanov made a £1 billion ($1.3 billion) bid to buy the American businessman's stake in the club in May 2017, an offer that was rejected.
Despite more recent successes in the FA Cup competition, Kroenke's running of the club continues to divide the Arsenal fanbase, many of whom perceive there to have been under-investment in top players at a time when foreign money has been boosting the fortunes of domestic rivals.
A KSE statement says taking the club private will help to further Arsenal's "strategy and ambitions". The AST previous year urged Usmanov not to sell his shares, and pointed out that single ownership of the club means Arsenal would no longer need to hold an Annual General Meeting. "We appreciate Mr. Usmanov's dedication to the Arsenal Football Club and the storied ethos and history the club represents".
"The most terrible part of this announcement is the news that Kroenke plans to forcibly purchase the shares held by Arsenal fans", the Trust said.
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"Kroenke's actions will neuter their voice and involvement".
The Arsenal Supporters' Trust and one independent shareholder condemned the move, saying it would allow Kroenke to run the business with no oversight and to add debt to the balance sheet.
KSE is the holding company of a number of major sports teams including the Los Angeles Rams of the NFL, Denver Nuggets of the NBA, NHL side Colorado Avalanche and Colorado Rapids of the MLS.
Kroenke is competing against the billionaire owners of other Premier League clubs such as Chelsea's Roman Abramovich, Manchester United's Glazer family and Sheikh Mansour of Abu Dhabi, who owns last season's runaway winners, Manchester City.
Deutsche Bank is advising KSE on the takeover deal.
The former Paris Saint-Germain manager replaced long-serving boss Arsene Wenger in May.