Complex sentence: On 22 June 2017, Imagination Technologies' board of directors announced it was putting the entire company up for sale and on 25 September 2017, the board of directors announced that the company was being acquired by Canyon Bridge, a China-aligned private equity fund.
Split into simpler sentences: On 22 June 2017, Imagination Technologies' Board of Directors announced it was putting the entire company up for sale. On 25 September 2017, the company announced that it was being acquired by Canyon Bridge, a China-aligned private equity fund.