| Date | Player | Info | Contract type/comment |
| 12/30 | Forwards: Lean Bergmann, Joachim Blichfeld, Alexander Chmelevski, Logan Couture (C) ,Ryan Donato, Kurtis Gabriel, Zach Gallant, Dylan Gambrell ,Noah Gregor, Jayden Halbgewachs, Fredrik Handemark, Tomas Hertl (A), Evander Kane, Joel Kellman, Kevin Labanc, John Leonard, Maxim Letunov, Patrick Marleau, Timo Meier, Matt Nieto, Stefan Noesen, Marcus Sorensen, Antti Suomela, Jeffrey Truchon-Viel Defense: Brent Burns (A) ,Trevor Carrick ,Nick DeSimone, Mario Ferraro, Erik Karlsson (A) Nikolai Knyzhov, Nicolas Meloche, Ryan Merkley, Jacob Middleton, Brinson Pasichnuk, Radim Simek, Marc-Edouard Vlasic; and Jaycob Megna (TO) Goalies: Devan Dubnyk, Martin Jones, Josef Korenar, Alexei Melnichuk |
Sharks announcement | Training camp roster released, and media guide, etc. |
| Tristen Robins | Capfriendly reports ELS signed. | ||
| 12/25 | Danil Yurtaykin | Clears, contract terminated | |
| 12/24 | Put on unconditional waivrs for purpose of contract termination | ||
| 12/22 | KHL rights traded | ||
| 12/19 | Preliminary agreement on (2020-)2021 season. (Nominally) Sharks training camp would start 12/31/20. Games 1/13/20. Playoffs would end by mid-July. Free agency circca 7/28. | ||
| 12/18-19 | Antii Suomela, Manuel Weinger, Lean Bergmann | Recalled from Europe | |
| 12/9 | Jake McGrew | Assigned to ECHL Allen | |
| 12/6 | Joseph Garreffa | Assigned to ECHL Allen | |
| 12/4 | Zack Sawchenko | Assigned to ECHL Allen. | |
| 11/21 | Marcus Sorenson | Recalled | |
| 11/12 | Manuel Wiederer | Loaned to Europe/DEL | |
| 11/4 | Lean Bergmann | Loaned to Europe/DEL | |
| 11/2 | Jersey #40 for Dubnyk; #16 for Donato. (Suomela getting new #) | ||
| Jaycob Megna | Barracuda announcement | Signed to one year AHL deal | |
| Kurtis Gabriel | Barracuda announcemnt | Signed to one year NHL deal | |
| 10/30 | Alex True | Another European loan (don't recognize name to know league; guessing Denmark) | |
| 10/27 | Joachim Blichfeld | Loaned to Denmark | |
| 10/23 | Artemi Kniazev | Loaned to Europe | |
| 10/21 | Ivan Chekhovich | Loaned to KHL team (for season) | |
| 10/16 | Ozzy Weisblatt | Sharks announcement | Signed to three year ELS |
| 10/13 | Patrick Marleau | Sharks announcement | Welcome back. Each signs one year (minimum) deal |
| Matt Nieto | Sharks announcement | ||
| 10/10 | Kevin Labanc | Sharks announcement | Re-signs with Sharks. 4 year deal. |
| 10/9 | Stefan Noesen | Sharks announcement | Re-signs with Sharks. 1 year deal. |
| 10/8 | Jonny Brodinski (NYR), Marcus Crawford (ECHL KC), Brandon Davidson (BUF), Aaron Dell (TOR), Anthony Greco (NYR), Tim Heed (Switzerland), Artem Ivenyuzhenkov (KHL), Melker Karlsson (Sweden), Ivan Kosorenkov, Tristan Langan (AHL Chicago), Stefan Noesen RESIGNED, Dalton Prout, Lukas Radil (KHL), Jeremy Roy, Andrew Shortridge (AHL Stockton), Joe Thornton (Davros, with NHL TOR) | Pending UFAs/non-QOd, AHL, etc. (full list) (Realistically, I think only Thornton has a chance of being re-signed.) If signed elsewhere indicated which team. |
|
| 10/7 | Jonathan Dahlen - F Kevin Labanc - RESIGNED 10/10 Tony Sund - D |
Sharks/Barracuda announcement | QOd |
| Antti Suomela | Signs one year, two-way NHL deal | ||
| Manuel Wiederer | Signs one year AHL deal | ||
Jeremy Roy - D, Andrew Shortridge - G |
Not QOd. Become UFAs | ||
| Thomas Bordeleau (38), Tristen Robins (56), Danil Gushchin (76), Brandon Coe (98), Alex Young (196), Adam Raska (201), Linus Oberg (206), Timofey Spitserov (210) | Sharks announcement/recap | Selected on day two of entry draft | |
| 10/6 | Ozzy Wiesblatt | Selected 31st in entry draft | |
| 10/5 | Jacob Middleton, Maxim Letunov, Nicolas Meloche, Jayden Halbgewachs | Sharks announcements linked | Cap Friendly reports the re-signings. Sharks announce 10/6. |
| Devan Dubnyk | Sharks announcement | Acquired from Wild with 2022 7th for 2022 5th. 50% of salary retained. | |
| Ryan Donato | Sharks announcement | Acquired from Wild for 2021 3rd (PIT). | |
| 10/2 circa | Alexei Melnichuk | Loaned to KHL team | |
| Marcus Sorenson | Loaned to Swedish team. | ||
| 10/1 | Tomas Hertl; Erik Karlsson | In media availability, DW announced that Hertl and Karlsson are healthy (off IR). | |
| 9/26 | Joel Kellman | Loaned to Kristianstads IK (Sweden) | |
| 9/22 | Sharks: HC Bob Boughner; Assoc Coach Rocky Thompson; Asst coaches John Madden, Dan Darrow (video); Hockey Ops/Analyst Charlie Townsend; Goaltending coach Evgeni Nabokov, NHL player development Mike Ricci Barracuda: HC Roy Sommer, AC Jimmy Bonneau, Mike Chaisson; Video/Hockey Ops Nick Gialdini; AHL player development John McCarthy; Goaltending development Dany Sanbourin |
Sharks/Cuda announcement | New coaching staffs announced |
| 8/31 | Josef Korenar,Fredrik Handemark, Timur Ibragimov, Jonathan Dahlen, Evan Weinger,Krystof Hrabik Defenseman Santeri Hatakka (Ilves-Finland), Forwards Yegor Spiridonov and Emil Galimov (SKA-St. Petersburg - Russia). |
Sharks/Cuda announcement | Organization announces players that have been loaned to European teams. In addition, list prospects that are in European training camps. |
| 8/30 | Karlis Cukste | Barracuda announcement | Rumored AHL Barracuda signing. Announced 9/1. |
| 8/29 | Vladislav Kotkov | QMJHL trade to Sea Dogs (overage) | |
| 8/28 | Jasper Weatherby | Named assistant captain for UND college team | |
| Joel Kellman | Sharks announcement | Rumored to have re-signed for two-years. Officially annouced 8/31 | |
| 8/25 | Krystof Hrabik | Loaned to European team | |
| 8/15 | Karlis Cukste | Sharks do not sign college grad by 8/15. Becomes free agent. | |
| 8/6 | Fredrik Handemark | To be loaned to SHL team before training camp opens (circa November 17). | |
| 7/23 | Evan Weinger | Barracuda announcement | Re-signed to (assumed) one year AHL deal |
| 7/10 | NHL and NHLPA ratify new MOU to extend CBA until September 15, 2026. | ||
| 7/8 | Keaton Middleton | Signs with AHL Colorado. | |
| 6/24 | Doug Wilson | Announced election into HHOF (induction tentatively 11/16/2020; later postponed indefinitely). | |
| 6/22 | NHL and NHLPA agree to extend contracts expiring in 2020 to 10/30/2020 for playoffs. Doesn't really impact Sharks (except that off season won't start for months). | ||
| 6/20 | Steenn Pasichnuk | Barracuda announcement | On IG/Twitter signing his AHL contrac. Cuda announcement 6/26. |
| 6/12 | Timur Ibragimov | Finnish media reporting he's been loand toTPS (Finland). | |
| 6/1 | Brinson Pasichnuk | Sharks announcement | Signs two year ELS with Sharks. Posted to IG and Sharks responded, but no official announcement (yet). |
| 5/31 | Timur Ibragimov | Media reports he'll be loaned and play in Finland next season | |
| Lukas Radil | Media reports have him signing with KHL team. | ||
| 5/28 | Yegor Spiridonov | KHL rights traded to SKA St. Petersburg | |
| 5/11 | Timur Ibragimov | Sharks announcement | Signed to standard (3 year) ELS deal |
| Kyle Topping | Barracuda announcement | Signed one year AHL deal; attended 2019 rookie camp. | |
| 5/8 | AHL BOG votes (unanimously) to cancel rest of 2019-2020 season. Announced 5/11. | ||
| 4/30 | Alexi Melnichuk | Sharks announcement | Russian news report that he'll sign with the Sharks. 5/4 officially announced by Sharks. 2 year ELS |
| 4/22 | Fredrick Handemark | Sharks announcement | Swedish newspapers report he has signed with Sharks. 5/4 officially announced by Sharks. 1 year contract. |
| 4/17 | Joseph Garreffa | Barracuda announcement | Newspaper report that he signed a one year deal with Barracuda. Officially announced 5/11. |
| 4/1 | Steenn Pasichnuk | Media reports that Brinson's brother has agreed to terms with AHL sBarracuda | |
| 3/31 | John Leonard | Sharks announcement | Draftee agrees to terms for ELS with Sharks. |
| 3/30 | Brinson Pasichnuk | Sharks announcement | Undrafted free agent agrees to terms for ELS with Sharks. Depending on season continuation, will either burn first year of ELS on remaining season, or sign for next. |
| 3/15 | Nikolai Knyzhov | Assigned to AHL | |
| ECHL cancels season. | |||
| 3/13 | Michael Downing | Released from PTO | |
| 3/12 | NHL "pauses"/suspends season. As does AHL and ECHL. | ||
| 3/9 | Radim Simek | Sharks announcement | Official announcement of signing four year extension (almost a week after it leaked out) |
| 3/8 | Nick DeSimone | Assigned to AHL | |
| 3/7 | Sharks tweet | Recalled from AHL | |
| Nikolai Knyzhov | Sharks announcement | Recalled from AHL | |
| 3/5 | Nick DeSimone | Recalled from AHL, and re-assigned | |
| 3/4 | Sharks announcement | Recalled from AHL, but reassigned for Cuda game 3/4. | |
| 3/3 | Sharks tweet | Assigned to AHL | |
| Radim Simek | Reports of 4 year extension signed. | ||
| 2/29 | Michael Downing | Barracuda announcement | Signed to AHL PTO |
| 2/27 | Lean Bergman | Sharks tweet | Recalled from AHL |
| 2/25 | Assigned to AHL | ||
| Logan Couture | Activated from IR | ||
| Tristin Langan | Barracuda announcement | Recalled from ECHL to AHL | |
| Maxim Letunov | Recalled from and then assigned to AHL | ||
| 2/24 | Dalton Prout | Recalled from AHL conditioning stint (still on IR) | |
| Lean Bergman | Recalled from AHL | ||
| Nicolas Meloche | Assigned to AHL | ||
| Brandon Davidson | Sharks announcement | Acquired in trade from Calgary for future considerations | |
| Anthony Greco | Sharks announcement | Trade with Tampa Bay. Barclay Goodrow and 2020 3rd (PHI) for 2020 first round draft pick and Anthony Greco | |
| Patrick Marleau | Sharks announcement | Trade to Pittsburgh for conditional 2021 3rd round pick (becomes 2nd if PIT wins Stanley Cup). | |
| 2/19 | Dalton Prout | Sharks annoncement | Assigned to AHL on LTI conditioning stint (max two weeks) |
| 2/18 | Nicolas Meloche | Recalled from AHL | |
| Brenden Dillon | Sharks announcement | Traded to Washington for 2020 2nd round pick (originally COL) and conditional 3rd round pick (if Caps win cup, will be ARI 2020 3rd; if not WAS 2021 3rd). Sharks retain 50% salary. | |
| Jacob Middleton | Sharks tweet | Recalled from AHL | |
| 2/17 | Assigned to AHL | ||
| 2/15 | Evander Kane | Suspended (by NHL) 3 games for elbow | |
| Jacob Middleton | Sharks announcement | Recalled from AHL | |
| Erik Karlsson | Put on IR. Out for the season | ||
| 2/14 | Joel Kellman | Activated off IR | |
| 2/13 | Tristin Langan, Artem Ivanyuzhenkov | Assigned to respective ECHL teams | |
| Noah Gregor | Sharks announcement | Recalled from AHL | |
| Maxim Letunov | Assigned to AHL | ||
| Antti Suomela | Sharks announcement | Recalled from AHL | |
| 2/7 | Sharks tweet | Assigned to AHL | |
| 2/6 | Artem Ivanyuzhenkov | Barracuda announcement | Recalled from ECHL Norfolk |
| Andrew Shortridge | Assigned to ECHL Allen | ||
| 2/3 | Alexander True | Sharks announcement | Recalled from AHL |
| Andrew Shortridge, Danil Yurtaykin | Assigned to AHL | ||
| 2/2 | Recalled from AHL | ||
| Logan Couture, Joel Kellman | Put on IR (Couture retroactive to injury) | ||
| 2/1 | Maxim Letunov | Sharks announcement | Recalled from AHL |
| Tomas Hertl | Put on IR (LTIR) | ||
| 1/30 | Announced via social media: ACL and MCL tears, out for the rest of the season | ||
| Tristan Langan | Barracuda announcement | Recalled from ECHL to AHL | |
| 1/29 | Marcus Crawford | Recalled from ECHL Orlando; assigned to ECHL Kansas City | |
| 1/26 | Antti Suomela, Joel Kellman, Dylan Gambrell | Sharks tweet | Recalled from AHL |
| 1/24 | Andrew Shortridge | Barracuda announcement | Recalled from ECHL to AHL |
| 1/19 | Joachim Blichfield, Antti Suomela, Joel Kellman | Sharks tweet | Asssigned to AHL (for NHL bye week) |
| 1/13 | Joachim Blichfield | Sharks tweet | Recalled from AHL |
| 1/12 | Lukas Radil | Assigned to AHL (per AHL transactions) | |
| 1/11 | Sharks announcement | Recalled from AHL | |
| Joachim Blichfield | Assigned to AHL | ||
| 1/9 | Recalled from AHL | ||
| 1/8 | Sharks announcement | Assigned to AHL |