San Francisco 49ers Transactions - 2018

September
DATETRANSACTION
September 3, 2018Placed S Marcell Harris and RB Jerick McKinnon on injured reserve. Signed DB Antone Exum Jr. and OL Matt Tobin to one-year contracts and OL Zack Golditch to the practice squad.
September 2, 2018Signed LB Pita Taumoepenu, WR Steven Dunbar Jr., TE Ross Dwelley, DBs Emmanuel Moseley and Tyvis Powell, QB Nick Mullens, OL Najee Toran, DL Niles Scott and RB Jeff Wilson Jr. to the practice squad.
August
DATETRANSACTION
August 31, 2018Released OL JP Flynn, RB Ja'Quan Gardner, G Chris Gonzalez, QB Jack Heneghan, DL Chris Jones, P Jeff Locke, T Pace Murphy, WR Aldrick Robinson, TE Wes Saxton, DL Will Sutton, OL Darrell Williams and RB Joe Williams.
August 30, 2018DE Elvis Dumervil announced his retirement.
August 29, 2018Waived-injured WR Max McCaffrey.
August 22, 2018Announced the retirement of DL Cedric Thornton. Signed DT Chris Jones to a one-year contract.
August 17, 2018Signed DB Dexter McCoil to a one-year contract.
August 5, 2018Waived S Corey Griffin. Signed G Chris Gonzalez to a one-year contract.
July
DATETRANSACTION
July 23, 2018Signed OT Mike McGlinchey to a four-year contract.
June
DATETRANSACTION
June 22, 2018Signed OL Laken Tomlinson to a three-year contract extension.
June 6, 2018Signed DB Antone Exum Jr. to a one-year contract.
June 5, 2018Waived DB Trovon Reed.
May
DATETRANSACTION
May 15, 2018Claimed CB C.J. Goodwin off waivers from the New York Giants. Waived WR DeAndre Carter. Signed DL Blaine Woodson to a three-year contract.
May 14, 2018Signed S Marcell Harris to a four-year contract.
May 11, 2018Signed CB D.J. Reed Jr. to a four-year contract.
May 9, 2018Signed OL Mike Person to a one-year contract.
May 7, 2018Released G Zane Beadles. Signed DL Kentavius Street.
May 1, 2018Signed S Corey Griffin, CBs Tarvarus McFadden and Emmanuel Moseley, and OL Najee Toran.
April
DATETRANSACTION
April 30, 2018Exercised the fifth-year option on DL Arik Armstead. Signed WR Steven Dunbar, TE Ross Dwelley, QB Jack Heneghan, OL Alan Knott, OL Jamar McGloster, DL Niles Scott and S Terrell Williams. Waived LB Jimmie Gilbert, LB Boseko Lokombo, DB Dexter McCoil, LB Donavin Newsom and CB Channing Stribling.
April 27, 2018Signed S Jaquiski Tartt to a two-year contract extension.
April 4, 2018signed LB Korey Toomer to a one-year contract.
March
DATETRANSACTION
March 9, 2018Promoted Paraag Marathe to president of 49ers Enterprises. Released DE Elvis Dumervil. Extended tender offers to exclusive rights to RB Raheem Mostert.