Transactions
| Date | Player | Pos | Transactions |
| 7/3 | Reuben Foster | LB | suspended 2 games (NFL Substance Abuse Policy) |
| 6/22 | Laken Tomlinson | G | re-signed Three-year extension (through 2021) |
| 6/13 | Fred Warner | LB | signed/draft choice Four-year contract (through 2021) |
| 6/6 | Antone Exum Jr. | S | re-signed/unrest FA One-year contract (through 2018) |
| 6/4 | Trovon Reed | CB | cut |
| 6/1 | Victor Bolden Jr. | WR | suspended 4 games (NFL Policy on PEDs) |
| 5/15 | C.J. Goodwin | CB | acquired from waiver |
| 5/15 | DeAndre Carter | WR | cut |
| 5/15 | Blaine Woodson | DE | signed |
| 5/14 | Marcell Harris | S | signed/draft choice Four-year contract (through 2021) |
| 5/11 | D.J. Reed Jr. | CB | signed/draft choice Four-year contract (through 2021) |
| 5/9 | Mike Person | C | signed/unrest FA One-year contract (through 2018) |
| 5/7 | Zane Beadles | G | cut |
| 5/7 | Kentavius Street | DE | signed/draft choice Four-year contract (through 2021) |
| 5/5 | Richie James Jr. | WR | signed/draft choice Four-year contract (through 2021) |
| 5/5 | Tarvarius Moore | S | signed/draft choice Four-year contract (through 2021) |
| 5/5 | Jullian Taylor | DT | signed/draft choice Four-year contract (through 2021) |
| 5/2 | Coleman Shelton | G | signed |
| 5/2 | Jeff Wilson | RB | signed |
| 5/2 | Laken Tomlinson | G | team declines option Fifth-year option on rookie contract |
| 5/1 | Corey Griffin | S | signed Three-year contract (through 2020) |
| 5/1 | Tarvarus McFadden | CB | signed Three-year contract (through 2020) |
| 5/1 | Emmanuel Moseley | CB | signed Three-year contract (through 2020) |
| 5/1 | Najee Toran | G | signed Three-year contract (through 2020) |
| 4/30 | Arik Armstead | DT | team exercises option Fifth-year option on rookie contract |
| 4/30 | Jimmie Gilbert | LB | cut |
| 4/30 | Bo Lokombo | LB | cut |
| 4/30 | Dexter McCoil | S | cut |
| 4/30 | Donavin Newsom | LB | cut |
| 4/30 | Channing Stribling | CB | cut |
| 4/30 | Steven Dunbar | WR | signed |
| 4/30 | Ross Dwelley | TE | signed |
| 4/30 | Jack Heneghan | QB | signed |
| 4/30 | Alan Knott | C | signed |
| 4/30 | Jamar McGloster | T | signed |
| 4/30 | Terrell Williams | S | signed |
| 4/30 | Niles Scott | DT | signed |
| 4/27 | Jaquiski Tartt | S | re-signed Two-year extension (through 2020) |
| 4/4 | Korey Toomer | LB | signed/unrest FA One-year contract (through 2018) |
| 3/20 | Jonathan Cooper | G | signed/unrest FA One-year contract (through 2018) |
| 3/15 | Jerry Attaochu | DE | signed/unrest FA One-year contract (through 2018) |
| 3/14 | Tim Barnes | C | Declared Free Agent |
| 3/14 | Tank Carradine | DE | Declared Free Agent |
| 3/14 | Brock Coyle | LB | Declared Free Agent |
| 3/14 | Leger Douzable | DE | Declared Free Agent |
| 3/14 | Elvis Dumervil | LB | Declared Free Agent |
| 3/14 | Antone Exum Jr. | S | Declared Free Agent |
| 3/14 | Brandon Fusco | G | Declared Free Agent |
| 3/14 | Leon Hall | CB | Declared Free Agent |
| 3/14 | Carlos Hyde | RB | Declared Free Agent |
| 3/14 | Asa Jackson | CB | Declared Free Agent |
| 3/14 | Dontae Johnson | CB | Declared Free Agent |
| 3/14 | Chris Jones | DT | Declared Free Agent |
| 3/14 | Aaron Lynch | LB | Declared Free Agent |
| 3/14 | Louis Murphy | WR | Declared Free Agent |
| 3/14 | Logan Paulsen | TE | Declared Free Agent |
| 3/14 | Eric Reid | S | Declared Free Agent |
| 3/14 | Brock Coyle | LB | re-signed/unrest FA Three-year contract (through 2020) |
| 3/14 | Jerick McKinnon | RB | signed/unrest FA Four-year contract (through 2021) |
| 3/14 | Weston Richburg | C | signed/unrest FA Five-year contract (through 2022) |
| 3/12 | Raheem Mostert | RB | re-signed/excl. FA One-year tender (through 2018) |
| 3/12 | Jeff Locke | P | signed One-year contract (through 2018) |
| 3/11 | Richard Sherman | CB | signed Three-year contract (through 2020) |
| 3/8 | Marquise Goodwin | WR | re-signed Three-year extension (through 2021) |
| 2/27 | Garry Gilliam | T | re-signed Two-year extension (through 2019) |
Last updated Jul. 19, 12:46 P.M. ET
© 2018 by STATS.Any commercial use or distribution without the express written consent of STATS is strictly prohibited.