Key dates

Dates are subject to change. Bold items require action by you.

 

Date Topic
Nov. 10, 2025 (Wave 1);

Nov. 20, 2025 (Wave 2)

Receive employment transition letter, which outlines the terms and conditions of the integration 
Nov. 10, 2025 (Wave 1);

Nov. 20, 2025 (Wave 2)

Complete background check profile and provide consent for background check
Requested completion window: Nov. 21-Dec. 5, 2025 Complete Form I-9
Dec. 14, 2025 People Integration
Dec. 14, 2025 New automatic benefits begin (Basic Life and AD&D, STD, LTD, Business Travel Accident Insurance, 401(k), etc.)
Dec. 15, 2025–Jan. 13, 2026 Enroll in or opt out of new elected health benefits (effective Jan. 1, 2026), including medical, dental and vision
Dec. 18, 2025 Per federal law, both sections of Form I-9 must be successfully submitted by 3 p.m. CT
Failure to meet this deadline could impact your employment status
Dec. 19, 2025 Last Atrius Health-administered paycheck (covering Nov. 30, 2025–Dec. 13, 2025)
Dec. 31, 2025 Current health benefits through Atrius Health end
Jan. 1, 2026 New elected health benefits begin (medical, dental, vision, HSA, FSA, etc.)
Jan. 2, 2026 First UnitedHealth Group-administered paycheck (covering Dec. 14–27, 2025)
Jan. 16, 2026 Second UnitedHealth Group-administered paycheck (covering Dec. 28, 2025–Jan. 10, 2026); transitioned PTO is now visible in MyHR
Date
November

Topic: Receive employment transition letter, which outlines the terms and conditions of the integration 
November

Topic: Complete background check profile and provide consent for background check
November/December

Topic: Complete Form I-9
Dec. 14

Topic: People Integration
Dec. 14

Topic: New automatic benefits begin (Basic Life and AD&D, STD, LTD, Business Travel Accident Insurance, 401(k), etc.)
Dec. 15–Jan. 13

Topic: Enroll in or opt out of new elected health benefits (effective Jan. 1, 2026), including medical, dental and vision
Dec. 18

Topic: Per federal law, both sections of Form I-9 must be successfully submitted by 3 p.m. CT
Failure to meet this deadline could impact your employment status
Dec. 19

Topic: Last Atrius Health-administered paycheck (covering Nov. 30–Dec. 13)
Dec. 31

Topic: Current health benefits through Atrius Health end
Jan. 1

Topic: New elected health benefits begin (medical, dental, vision, HSA, FSA, etc.)
Jan. 1

Topic: First UnitedHealth Group-administered paycheck (covering Dec. 14–27)
Jan. 16

Topic: Second UnitedHealth Group-administered paycheck (covering Dec. 28–Jan. 10); transitioned PTO is now visible in GSS

For union members – All terms and conditions of your employment are outlined in your collective bargaining agreement.