| Date | Player | Info | Contract type/comment |
| 12/31 | Zach Sawchenko | Barracuda announcement | Recalled from ECHL |
| 12/30 | Andrew Shortridge | Assigned to ECHL | |
| Logan Couture | Named the Sharks NHL All Star representative | ||
| Jochaim Blichfield | Sharks announcement | Recalled from AHL | |
| 12/27 | Radim Simek | Sharks announcement | Activated from IR |
| Joel Kellman | Recalled from AHL | ||
| 12/23 | Jacob Middleton, Noah Gregor, Joel Kellman | Assigned to AHL | |
| 12/19 | Sharks announcement | Recalled from AHL | |
| Radim Simek | Put on IR | ||
| Stefan Noesen | Sharks announcement | Claimed off waivers | |
| 12/18 | Jacob Middleton, Dylan Gambrell | Sharks announcement | Assigned to AHL |
| Noah Gregor | Sharks announcement | ||
| 12/17 | Antti Suomela | Sharks announcement | Activated from IR |
| Jacob Middleton | Recalled from AHL | ||
| Joachim Blichfield | Assigned to AHL | ||
| 12/14 | Lukas Radil | Sharks announcement | Clears waivers. Assigned to AHL. |
| 12/13 | Put on waivers | ||
| Barracuda announcement | Jimmy Bonneau and Michael Chiasson co-coaches. Bryan Marchment and Ryan Hamilton helping with development. | ||
| 12/12 | Joachim Blichfield | Sharks announcement | Recalled from AHL (and scheduled to make NHL debut tonight). |
| 12/11 | COACHING CHANGE | Sharks announcment | HC DeBoer and assistants - Spott, Hedburg, Barr fired. Boughner to take over on interim basis; Roy Sommer associate coach, Mike Ricci asst coach, Evgeni Nabokov goalie coach. |
| Lean Bergmann | Sharks announcement | Assigned to AHL | |
| 12/5 | Artem Ivanyuzhenkov | Barracuda announcement | Assigned to ECHL Norfolk |
| 12/4 | Lean Bergmann | Sharks announcement | Recalled from AHL |
| Antti Suomela | Put on IR | ||
| 11/23 | Noah Gregor | Sharks announcement | Recalled from AHL |
| Dalton Prout | Put on IR | ||
| 11/19 | Antti Suomela | Recalled from AHL | |
| 11/17 | Noah Gregor | Assigned to AHL | |
| 11/14 | Dalton Prout | Recalled from conditioning loan | |
| 11/12 | Jacob Middleton | Activated from IR; assigned to AHL. | |
| 11/10 | Dalton Prout | Sharks announcement | To AHL on conditioning loan |
| 11/9 | Sharks announcement | Activated from IR | |
| Lean Bergman | Assigned to AHL | ||
| 11/8 | Artem Ivanyuzhenkov | Barracuda announcement | Recalled to AHL from ECHL |
| 11/5 | Radim Simek | Activated from IR. | |
| 11/4 | Jonny Brodzinski | Sharks announcement | Assigned to AHL |
| Radim Simek, Lean Bergmann | Recalled from AHL | ||
| 11/2 | Trevor Carrick | Assigned to AHL (after game) | |
| 10/29 | Marcus Crawford | Barracuda announcement | AHL trade. Acquired D Crawford from AHL Grand Rapids for forward Marcus Vela. Assigned to ECHL |
| Artem Ivanyuzhenkov, Zachary Sawchenko | Barracuda announcement | Assigned to ECHL (Orlando, Allen - respectively) | |
| 10/27 | Radim Simek | Sharks announcement | To AHL on LTIR conditioning loan. Offical 10/28. Max two weeks. |
| 10/24 | Dillion Hamaliuk | Sharks annoucement | Officially announced 3 year ELS deal 10/25. |
| 10/20 | Jonny Brodzinski, Trevor Carrick | Sharks announcement | Recalled from AHL (for road trip). Announced 10/21. |
| 10/19 | Zach Sawchenko | Barracuda announcement | Recalled to AHL from ECHL |
| Noah Gregor, Trevor Carrick | Recalled from AHL; Carrick reassigned to AHL after game. | ||
| 10/18 | Lean Bergman | Assigned to AHL, assigned after game | |
| Danil Yurtaykin | Sharks announcement | Assigned to AHL | |
| 10/17 | Trevor Carrick | Assigned to AHL | |
| 10/16 | Recalled from AHL | ||
| 10/13 | Assigned to AHL (after NHL game) per AHL transactions | ||
| 1010 | Jonny Brodzinski | Sharks announcement | Clears waivers, assigned to AHL |
| 10/9 | Patrick Marleau | Sharks announcement | Official now |
| Jonny Brodzinski | Put on waivers (clearing roster spot for Marleau) | ||
| 10/8 | Patrick Marleau | Sharks tweet | Will sign one year deal |
| 10/5 | Trevor Carrick | Sharks announcement | Recalled from AHL |
| Jacob Middleton | Put on IR | ||
| 10/4 | Sharks announcement | Recalled from AHL | |
| Dalton Prout | Put on IR | ||
| 10/3 | Manuel Widerer | Sharks announcement | Activated from off season IR and assigned to AHL |
| 10/2 | Artem Ivanyuzhenkov | Barracuda announcment | Signed to 1 year AHL SPC |
| 9/30 | Marcus Vela | Barracuda announcement | Assigned to ECHL |
| Jake Jackson | Released from TO | ||
| 9/29 | Tristin Langan, Ivan Kosorenkov, Zachary Sawchenko | Barracuda announcement | Assigned to ECHL |
| Jacob Graves | Released from TO | ||
| 9/28 | Jacob Middleton, Antti Suomela | Sharks announcement | Assigned to AHL |
| 9/27 | Nicolas Meloche | Sharks announcement | Sharks trade G Antoine Bibeau to Colorado for D man. |
| 9/26 | Ryan Merkley | OHL trade to London Knights. Assigned back to junior. | |
| 9/25 | Alexander True | Sharks announcement | Assigned to AHL |
| Joachim Blichfeld, Ivan Chekhovich, Sasha Chmelevski, Noah Gregor, Jeffrey Viel; Nick DeSimone, Nikolai Knyzhov; Andrew Shortridge | |||
| 9/24 | Sharks announcement | Recalled from AHL | |
| Antoine Bibeau, Trevor Carrick | Cleared waivers and assigned to AHL | ||
| 9/23 | Put on waivers. | ||
| Tony Sund, Vladislav Kotkov | Sharks announcement | In addition to the AHL assignments, Sund to Europe, Kotkov to his junior club. | |
Blichfeld, Chekhovich, Chmelevski, Gregor, Halbgewachs, Kellman, Letunov, Viel; DeSimone, Knyzhov, Roy; Korenar, Shortridge |
Barracuda announcement | Assigned to AHL | |
| Forwards Krystof Hrabik, Artem Ivanyuzhenkov and Jake Jackson and defenseman Jacob Graves | AHL TO players | ||
| 9/19 | Jake McGrew | Sharks announcement | Returned to junior team. |
| 9/17 | Dillon Hamaliuk | ||
| 9/13 | Jonathan Dahlen | Semi-officially, Dahlen loaned to European team. | |
| 9/13 | Mitchell Brewer - D, Zach Emond - G, Zach Gallant - F, Jake Gricius - F, Jake Lee - D, Hudson Wilson - D | Sharks announcement | Returned to junior teams. (Released from TO: Brewer, Gricius, Lee, Wilson) |
| 9/12 | Logan Couture; Brent Burns, Joe Thornton, Tomas Hertl, Erik Karlsson | Sharks announcement | Sharks announce new captain and alternates. |
| 9/10 | Sharks roster | Sharks release training camp roster. Same TOs from rookie camp, listed (no additional). | |
| 9/6 | Joe Thornton | Sharks announcement | Signs one year deal. |
| 8/22 | Jake Gricius, Artem Ivanyuzhenkov, Mitchell Brewer, Jake Lee, Hudson Wilson | Sharks announcement | Invitees (TOs) for Rookie tournament |
| 8/15 | Jake (John) Kupsky, Jake Jackson, Marcus Vela | Unsigned college graduating draftees become unrestricted free agents. | |
| 8/6 | Trevor Carrick | Sharks announcement | Sharks trade Kyle Wood to Carolina for rights to Trevor Carrick. (Rusanowski reports he's been re-signed to two-year deal.) |
| 7/29 | Tristan Langan | Barracuda announcement | Signed to one year AHL deal. |
| 7/11 | Kyle Wood | Sharks announcement | Re-signed to one year deal. Announced 7/12 |
| Maxim Letunov | Sharks announcement | Re-signed to one year deal. Announced 7/12 | |
| Nick DeSimone | Sharks announcement | Re-signed to two year deal. Announced 7/12 | |
| Antii Suomela | Sharks announcement | Re-signed to one year deal. | |
| Dylan Gambrell | Sharks announcement | Re-signed to two year deal. | |
| 7/8 | Kevin Labanc | Sharks announcement | Re-signed to one year deal. |
| 7/2 | Artemi Kniazev | Sharks announcement | Signed to ELS (18). Should be in QMJHL coming season. |
| Nikolai Knyzhov | Sharks announcement | Signed to ELS (21). | |
| Jonny Brodzinski | Sharks announcement | Signed to one year contract. | |
| Zachary Gallant | Sharks announcement | Signed to ELS (20). Should be in OHL next season. | |
| Dalton Prout | Sharks announcement | One year deal | |
| 7/1 | Tim Heed | Sharks announcement | Re-signs for 1 year deal |
| Timo Meier | Sharks announcement | News that he'll re-up for 4 year deal. | |
| 6/25 | Nick DeSimone, Dylan Gambrell, Kevin Labanc, Maxim Letunov, Timo Meier, Antti Suomela, Kyle Wood | Sharks announcement | Qualified Offers issued. Sharks retain RFA rights |
| Michael Brodzinski , Rourke Chartier, Cody Donaghey, Cavan Fitzgerald, Jon Martin, Joakim Ryan, Alex Schoenborn | Sharks do not qualify. Become UFAs | ||
| 6/24 | Yaroslav Alexeyev, Connor Ford, Zachary Gallant, Jake Gricius, Artem Ivanyuzhenkov, Kohen Olischefski, Steenn Pasichnuk, Guus van Nes; Mitchell Brewer, Nikolai Knyzhov, Jake Lee, Wyatt Newpower, Brinson Pasichnuk, HarrisonRees, Hudson Wilson | Sharks announcement | Development camp roster announced. Including the listed TO players |
| 6/22 | Tom Pyatt | Acquired from Vancouver, plus pick 164 for Francis Perron and pick 215. Pending UFA. | |
| 6/18 | Justin Braun | Sharks announcement | Traded to Philadelphia for 2019 41st pick (2nd) and 2020 3rd. |
| 6/17 | Erik Karlsson | Sharks announcement | Signs eight year extension. |
| 5/31 | Zachary Emond | Sharks announcement | Signs (3 year) ELS |
| 5/29 | Evan Weinger | Barracuda announcement | Signed to one year AHL SPC. |
| Jeffrey Viel | Sharks announcement | Upgrades AHL deal to two-year NHL contract | |
| Bob Boughner | Sharks announcement | Returns as assistant coach. Zettler not continuing on as assistant coach. | |
| 5/28 | Lean Bergmann | Sharks announcement | Signs (3 year) ELS |
| 5/16 | John McCarthy | Barracuda announcement | Re-signs; one year AHL deal. |
| 5/9 | Tony Sund | Sharks announcement | Signed to 1 year ELS |
| 4/29 | Mario Ferraro | Sharks announcement | Signed to ELS |
| 4/25 | Danil Yurtaikin | Sharks announcement | Signed to SPC |
| Dylan Gambrell, Lukas Radil, Alexander True, Antti Suomela, Jacob Middleton, Nick DeSimone, Josef Korenar | Recalled from AHL | ||
| 4/24 | Dylan Gambrell, Antoine Bibeau, Lukas Radil | Assigned to AHL | |
| 4/23 | Dylan Gambrell, Antoine Bibeau | Recalled from AHL | |
| Joel Kellman | Sharks announcement | Rumored to have been signed to 1 year SPC/ELS. Officially announced 4/25. | |
| 4/22 | Antoine Bibeau | Assigned to AHL | |
| 4/20 | Recalled from AHL | ||
| 4/19 | Assigned to AHL | ||
| 4/18 | Recalled from AHL | ||
| 4/17 | Joseph Korenar | Assigned to AHL | |
| 4/16 | Jacob Middleton, Dylan Gambrell | Assigned to AHL | |
| 4/15 | Dylan Gambrell | Recalled from AHL | |
| 4/14 | Jacob Middleton | Recalled from AHL | |
| 4/11 | Joseph Korenar | Recalled from AHL | |
| Antoine Bibeau | Assigned to AHL | ||
| 4/10 | Recalled from AHL | ||
| 4/8 | Zach Frye | Assigned to ECHL | |
| 4/7 | Lukas Radil | Recalled from AHL | |
| 4/6 | Ryan Merkley | Barracuda announcement | Assigned to AHL from OHL |
| Cody Donaghey, Mike Brodzinski | Assigned to ECHL | ||
| 4/5 | Recealled from ECHL to AHL | ||
| Lukas Radil, Jake Middleton | Assigned to AHL | ||
| 4/2 | Ivan Chekhovich | Barracuda announcement | Assigned to AHL from QMJHL |
| Zach Frye | Recalled from ECHL to AHL | ||
| Andrew Shortridge | Sharks announcement | Apparently signed by Sharks to ELS. One year ELS. And signed to ATO for this season, reporting to Barracuda. | |
| 4/1 | Dylan Gambrell | Assigned to AHL | |
| 3/31 | Jacob Middleton | Recalled from AHL. | |
| 3/30 | Vladislav Kotkov | Barracuda announcement | Assigned to AHL from QMJHL |
| 3/30 | Jacob Middleton | Recalled and returned | |
| 3/29 | Dylan Gambrell | Sharks tweet | Recalled |
| 3/28 | Nick DeSimone | Recalled and then assigned. | |
| 3/27 | Marcus Vela | Barracuda announcement | Signed to AHL SPC (for rest of season). Apparently has signed NHL ELS as well. |
| 3/26 | Dylan Gambrell | Assigned to AHL | |
| 3/25 | Zach Sawchenko | Signed to two year AHL deal per college starting 19-20 season. | |
| Dylan Gambrell | Recalled from AHL | ||
| 3/23 | Nick DeSimone, Dylan Gambrell | Sharks tweet | Assigned to AHL |
| 3/22 | Sharks announcement | Recalled from AHL | |
| 3/21 | Jake Middleton | Assigned to AHL | |
| 3/20 | Jake Middleton, Lukas Radil | Recalled from AHL for road trip. | |
| 3/18 | Sharks tweet | Recalled from AHL. And returned after the game. | |
| 3/15 | Dylan Gambrell, Lukas Radil | Sharks announcement | Assigned to AHL |
| 3/14 | Jake Middleton | Sharks annoucement recall | Recalled from AHL (with Simek out for the season with ACL/MCL injury needing surgery). And returned |
| 3/10 | Dylan Gambrell | Recalled from AHL (for road trip) | |
| 3/7 | (Emergency) Recall from AHL. And returned. | ||
| Colby McAuley | Barracuda announcement | Assigned to ECHL Orlando | |
| 3/6 | Ivan Kosorenkov | Recalled to AHL from ECHL Worcester | |
| 2/25 | Jonathan Dahlen | Sharks announcement | Acquired from NHL Vancouver for Linus Karlsson. Son of Ulf. |
| Lukas Radill | Assigned to AHL. (Only guy on NHL roster who is waiver exempt; needed spot for Nyquist.) And recalled later. (Now also eligible for AHL playoffs.) | ||
| 2/24 | Gustav Nyquist | Sharks announcement | Acquired from NHL Detroit for two picks. Conditions: Detroit will receive the lower of San Jose or Florida's 2019 second round selections, along with San Jose's third round selection in 2020. Should San Jose reach the 2019 Stanley Cup Final OR re-sign Nyquist, the third round selection in 2020 becomes San Jose's second round selection. Detroit retaining 30% of salary/cap. (Will be wearing #14. Gambrell changing to #7) |
| 2/22 | Vincent Praplan | Barracuda announcement | Traded to NHL Florida for future considerations. |
| 2/20 | Micheal Haley | Sharks announcement | Claimed off waivers (from Florida) |
| Dylan Gambrell | Assigned to AHL | ||
| 2/19 | Recalled from AHL | ||
| 2/18 | Sharks announcement | Assigned to AHL | |
| 2/12 | Colby McAuley | Barracuda announcement | Recalled from ECHL to AHL |
| TJ Hensick | Barracuda announcement | Signed to AHL SPC | |
| 2/5 | Zach Frye | Assigned from AHL to ECHL Orlando | |
| 2/4 | Dylan Gambrell | Sharks announcement | Recalled from AHL |
| 2/2 | Marc-Edouard Vlasic | Activated off IR | |
| 1/22 | Jacob Middleton, Dylan Gambrell | Sharks announcement | Assigned to AHL (NHL All Star break and bye week) |
| 1/20 | Jacob Middleton | Sharks announcement | Recalled from AHL. Vlasic to IR (retroactive to 1/2). |
| 1/15 | Dylan Gambrell | Sharks announcement | Recalled from AHL |
| 1/14 | Marcus Sorenson | Sharks announcement | Signs two year extension |
| 1/13 | Rourke Chartier | Assigned to AHL | |
| 1/12 | Sharks tweet | Recalled from AHL | |
| Justin Braun | Activated from IR | ||
| Cody Donaghey, Michael Brodzinski | Cuda tweet | Assigned to ECHL | |
| 1/11 | Rourke Chartier, Jacob Middleton | Assigned to AHL | |
| 1/7 | Cody Donaghey, Michael Brodzinski | Barracuda announcement | Recalled from ECHL |
| 1/6 | Lukas Radil | Sharks announcement | Signs one year extension |
| Nolan De Jong | Released from PTO | ||
| 1/5 | Barracuda FB | Signed to AHL PTO (from ECHL Utah) | |
| 1/4 | Jake Middleton | Recalled from AHL | |
| Justin Braun | Put on IR (retroactive to 1/2) |