Transactions
| Date | Player | Pos | Transactions |
| 6/10 | Cody Barton | LB | signed/draft choice Four-year contract (through 2022) |
| 5/30 | Adam Choice | RB | on IR undisclosed |
| 5/29 | Marcelias Sutton | RB | signed |
| 5/22 | DK Metcalf | WR | signed/draft choice Four-year contract (through 2022) |
| 5/21 | L.J. Collier | DE | signed/draft choice Four-year contract (fifth-year option) |
| 5/15 | Geno Smith | QB | signed/unrest FA |
| 5/14 | Demarcus Christmas | DT | signed/draft choice Four-year contract (through 2022) |
| 5/14 | Travis Homer | RB | signed/draft choice Four-year contract (through 2022) |
| 5/14 | Gary Jennings Jr. | WR | signed/draft choice Four-year contract (through 2022) |
| 5/14 | John Ursua | WR | signed/draft choice Four-year contract (through 2022) |
| 5/13 | Al Woods | DT | signed/unrest FA One-year contract (through 2019) |
| 5/13 | Doug Baldwin | WR | retired |
| 5/13 | Taryn Christion | QB | cut |
| 5/13 | Mik'Quan Deane | TE | cut |
| 5/10 | Ezekiel Ansah | DE | signed/unrest FA One-year contract (through 2019) |
| 5/10 | Nate Orchard | LB | cut |
| 5/9 | Nick Bellore | RB | signed/unrest FA |
| 5/9 | Marcus Martin | G | signed/unrest FA |
| 5/9 | Jamar Taylor | CB | signed/unrest FA |
| 5/9 | Doug Baldwin | WR | cut |
| 5/6 | Ugo Amadi | S | signed/draft choice Four-year contract (through 2022) |
| 5/6 | Marquise Blair | S | signed/draft choice Four-year contract (through 2022) |
| 5/6 | Ben Burr-Kirven | LB | signed/draft choice Four-year contract (through 2022) |
| 5/6 | Phil Haynes | G | signed/draft choice Four-year contract (through 2022) |
| 5/3 | Taryn Christion | QB | signed |
| 5/3 | Derrek Thomas | CB | signed |
| 5/3 | Terry Wright | WR | signed |
| 5/3 | Davante Davis | CB | signed |
| 5/3 | Adam Choice | RB | signed |
| 5/3 | Jalen Harvey | S | signed |
| 5/3 | Jay-Tee Tiuli | DT | signed |
| 5/3 | Mik'Quan Deane | TE | signed |
| 5/3 | Jazz Ferguson | WR | signed |
| 5/3 | Bryan Mone | DT | signed |
| 5/3 | Justin Johnson | TE | signed |
| 5/3 | Demetrius Knox | G | signed |
| 5/2 | Germain Ifedi | G | team declines option Fifth-year option on rookie contract |
| 5/1 | Marcus Henry | C | cut |
| 4/29 | Jacob Hollister | TE | traded for conditional 2020 7th-round pick |
| 4/28 | Sebastian Janikowski | K | retired |
| 4/16 | Russell Wilson | QB | re-signed Four-year extension (through 2023) |
| 4/15 | Austin Calitro | LB | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Joey Hunt | C | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Shalom Luani | S | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | J.D. McKissic | RB | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | David Moore | WR | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Tyler Ott | TE | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Kalan Reed | CB | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Jordan Simmons | G | re-signed/excl. FA One-year tender (through 2019) |
| 4/15 | Quinton Jefferson | DT | re-signed/rest FA One-year contract (through 2019) |
| 4/15 | George Fant | T | re-signed/rest FA One-year contract (through 2019) |
| 4/12 | Emmanuel Beal | LB | cut |
| 4/12 | Sam Ficken | K | cut |
| 4/4 | Cassius Marsh | DE | signed One-year contract (through 2019) |
| 4/4 | Nate Orchard | LB | signed One-year contract (through 2019) |
| 3/25 | Neiko Thorpe | CB | re-signed/unrest FA One-year contract (through 2019) |
| 3/18 | Mychal Kendricks | LB | re-signed/unrest FA One-year contract (through 2019) |
| 3/14 | Mike Iupati | G | signed/unrest FA One-year contract (through 2019) |
| 3/14 | K.J. Wright | LB | re-signed/unrest FA Two-year contract (through 2020) |
| 3/14 | D.J. Fluker | G | re-signed/unrest FA Two-year contract (through 2020) |
| 3/14 | Jason Myers | K | signed/unrest FA Four-year contract (through 2022) |
| 3/13 | George Fant | T | Restricted Free Agent |
| 3/13 | Quinton Jefferson | DT | Restricted Free Agent |
| 3/13 | Maurice Alexander | S | Declared Free Agent |
| 3/13 | Justin Coleman | CB | Declared Free Agent |
| 3/13 | Mike Davis | RB | Declared Free Agent |
| 3/13 | D.J. Fluker | G | Declared Free Agent |
| 3/13 | Brett Hundley | QB | Declared Free Agent |
| 3/13 | Sebastian Janikowski | K | Declared Free Agent |
| 3/13 | Dion Jordan | DE | Declared Free Agent |
| 3/13 | Mychal Kendricks | LB | Declared Free Agent |
| 3/13 | Shamar Stephen | DT | Declared Free Agent |
| 3/13 | J.R. Sweezy | G | Declared Free Agent |
| 3/13 | Earl Thomas | S | Declared Free Agent |
| 3/13 | Neiko Thorpe | CB | Declared Free Agent |
| 3/13 | K.J. Wright | LB | Declared Free Agent |
| 3/13 | T.J. Mutcherson | S | Declared Free Agent |
| 3/13 | Tre Madden | RB | Declared Free Agent |
| 3/13 | T.J. Green | S | Declared Free Agent |
| 3/13 | Ricky Ali'ifua | DE | Declared Free Agent |
| 3/13 | Emmanuel Ellerbee | LB | re-signed/excl. FA One-year tender (through 2019) |
| 3/13 | Branden Jackson | DE | re-signed/excl. FA One-year tender (through 2019) |
| 3/8 | Akeem King | CB | re-signed One-year contract (through 2019) |
| 3/4 | Frank Clark | DE | Designated franchise player non-exclusive franchise tag |
Last updated Jul. 17, 12:50 P.M. ET
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