Holidays

Whether you’re watching fireworks or carving turkey, it’s important to take time to mark special events with your friends and family. That’s why we offer a number of paid holidays every year.

2025 Holidays

CSL Behring (King of Prussia) and CSL Seqirus
HolidayDate
New Year’s DayWednesday, January 1
Martin Luther King Jr. DayMonday, January 20
Presidents’ DayMonday, February 17
Memorial DayMonday, May 26
Independence DayFriday, July 4
Labor DayMonday, September 1
Thanksgiving DayThursday, November 27
Day after ThanksgivingFriday, November 28
Christmas EveWednesday, December 24
Christmas DayThursday, December 25

Kankakee Plant 
HolidayDate
New Year’s DayWednesday, January 1
Martin Luther King Jr. DayMonday, January 20
Good FridayFriday, April 18
Memorial DayMonday, May 26
Plant Floating HolidayThursday, June 19
Independence DayFriday, July 4
Labor DayMonday, September 1
Veterans DayTuesday, November 11
Thanksgiving DayThursday, November 27
Day after ThanksgivingFriday, November 28
Christmas EveWednesday, December 24
Christmas DayThursday, December 25
Plant Floating HolidayFriday, December 26

Personal Holidays (CSL Behring and Kankakee Plant Employees)

If you’re a full-time CSL Behring (King of Prussia) employee, you’re also eligible for up to four personal holidays every year. If you're a full-time Kankakee Plant employee, you're eligible for one personal holiday every year. (If you’re a new hire, the number of personal holidays you have available during your first calendar year of employment will be based on your date of hire.) Be sure to request your personal holidays through Employee Cloud. Keep in mind that personal holidays cannot be carried over from one year to the next.

Floating Holidays (CSL Seqirus Employees)

If you're a full-time or part-time CSL Seqirus employee, you’re granted one floating holiday per quarter, up to four floating holidays per year (32 hours). You must be an active employee at least one day in the quarter for the floating holiday to be granted.