Data Breach Notifications

Entity Information

  • Type of Organization: Healthcare
  • Entity Name: Apellis Pharmaceuticals, Inc.
  • Street Address: 100 5th Ave
  • City: Waltham
  • State, or Country if outside the US: MA
  • Zip Code: 02451

Submitted By

  • Name: Charles Westerhaus
  • Title: Attorney
  • Firm name (if different than entity): Faegre Drinker
  • Telephone Number: (312) 569-1144
  • Email Address: charles.westerhaus@faegredrinker.com
  • Relationship to entity whose information was compromised: Outside counsel

Breach Information

  • Total number of persons affected (including residents): 733
  • Total number of Maine residents affected: 4
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: August 26, 2024
  • Date Breach Discovered: August 28, 2024
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with:

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification: September 30, 2024
  • Copy of notice to affected Maine residents: ELN-22918_Apellis_Adult_CM_1yr_(09_30_24).pdf
  • Date of any previous (within 12 months) breach notifications:
  • Were identity theft protection services offered: Yes
  • If yes, please provide the duration, the provider of the service and a brief description of the service: 12 Months / Kroll Identity Monitoring