| Date | Player | Info | Contract type/comment |
| 1/9 | Lynn Loyns | Sharks announcement | Traded to Calgary Flames for "future considerations" |
| 3/3 | Jason Marshall | Sharks announcement | Traded from Minnesota Wild for draft pick |
| 3/9 | Brad Boyes, Jeff Jillson, Curtis Brown | Sharks announcement | Three way trade with Buffalo and Boston. Boston gets Boyes, Buffalo gets Jillson. Sharks get Brown. (And some draft picks, future considerations and Andy Delmore.) |
| 3/17 | Shane Joseph | Barons announcement | Signed ATO with Barons. Former college linemate of Grant Stevenson. |
| 3/31 | Scott Ford | Sharks announcement | Signed with Sharks. Captain of Brown University; ECAC Best Defensive Defenseman 2004. |
| 4/2 | Aaron Gill | Barons announcement | Signed ATO With Barons. Late April signed with the Sharks. |
| 4/10 | Jon DiSalvatore | Signed NHL contract with St Louis. (Something like he had to be offerred a NHL contract by the Sharks at the end of the AHL regular season or he'd become a free agent. And he signed with St Louis while the Sharks were defeating the Blues in the opening round. Surreal. ;-) So he won't be returning to the Sharks organization. | |
| 4/23 | Tim Conboy | Signed first NHL contract with Sharks. | |
| 6/2 | Jonas Fielder | Sharks announcement | Sharks decided not to sign 20 year old; he is eligible to be re-drafted. |
| 6/21 | Brad Stuart | Sharks announcement | Team option exercised for 04-05 season |
| 6/27 | Tim Conboy, Scott Ford, Aaron Gill, Shane Joseph | Sharks announcement | Sharks officially announce signing of four prospects. |
| 6/30 | Tom Preissing, Mark Smith | Sharks announcement | Agree to contracts |
| 6/30 | Vincent Damphousse, Jason Marshall, Mike Ricci, Todd Harvey | Sharks announcement | Not being offerred contracts before UFA season begins. Might be back, but there are younger and hungrier players who want to step back/into NHL roster spots. |
| 6/30 | Rob Davison, Niko Dimitrakos, Nils Ekman, Jim Fahey, Scott Hannan, Evgeni Nabokov, Scott Parker, Wayne Primeau, Vesa Toskala and Miroslav Zalesak. | Sharks announcement | Qualifying offers made. |
| 6/30 | Curtis Brown | Sharks announcement | Contract being negotiated, but might result in him becoming UFA if deal can't be worked out before deadline. |
| 7/2 | Curtis Brown | Signs with Chicago Blackhawks. | |
| 7/9 | Mike Ricci | Signs with Phoenix Coyotes | |
| 7/15 | Nils Ekman, Scott Hannan, Evgeni Nabokov, Scott Parker, Vesa Toskala | Filed for arbitration. (Only Wayne Primeau didn't, of the eligible.) | |
| 7/20 | Robert Mulick | Signs with Italian team | |
| 7/30 | Rob Davison, Jim Fahey | Sharks announcement | Re-signed. |
| 8/3 | Matt Carkner, Niko Dimitrakos, Scott Parker, Vesa Toskala | Sharks announcement | Re-signed. Some happened "weeks" ago and only just now are being announced. Toskala avoided arbitration. |
| 8/5 | Nils Ekman | Sharks announcement | Arbitration award named. |
| 8/8 | Scott Hannan | Sharks announcement | Arbitration avoided, 3 year contract. |
| 8/11 | Jesse Fibiger | Signs for one year with Ottawa Senators organization. | |
| 8/13 | Evgeni Nabokov | Sharks announcement | Arbitration avoided, 2 year contract. |
| 8/18 | Vincent Damphousse | Signs with Colorado Avalanche | |
| 8/25 | Jason Marshall | Signs with New York Rangers | |
| 9/8 | Miroslav Zalesak | Sharks announcement | Re-signed |
| 9/15 | Wayne Primeau | Sharks announcement | Re-signed |
| 9/15 | Todd Harvey | Signs with Edmonton Oilers. | |
| 9/15 | Riley Armstrong | Sharks announcement | Signs two-way contract with Sharks after leading the team in scoring at the Rookie Tourney. |
| 9/21 | Scott Dobben, Nick Bootland, Greg Labenski, Chad Allen | Barons announcement | Signed by Barons. Dobben tried out at the Rookie Tourney. Bootland and Labenski are returning "journey men". Note, with expiration of CBA, the Sharks can only offer AHL contracts. |
| 9/22 | Patrick Rissmiller, Josh Prudden, Jonathan Tremblay | Barons announcement | Signed to AHL contracts. |
| 9/22 | Colin Shields | Barons announcement | Signed to AHL ATO. |
| 10/5 | Matt Carkner, Jim Fahey | Barons announcement | Signed to AHL contracts. (It's been rumored/assumed for a matter of weeks.) |
| 12/17 | Jason Jaffray | Barons announcement | Signed to AHL contract. |