I had to google it as I couldn’t remember whether he had or not, I remembered that he posted a long explanation as to why he wanted to leave but couldn’t remember the transfer request.
Stephens’ transfer request.
https://www.theargus.co.uk/sport/14729029.brighton-and-hove-albion-boss-shrugs-off-transfer-request-and-expects-dale-stephens-to-knuckle-down/