Unum UNM Closed Block — Reserve Assumption Updates
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Where this comes from
Reported directly by Unum in its filing.
Tagged under the XBRL concept unm:ReserveAssumptionUpdatesBeforeTax.
The official record: Unum’s 10-K, filed February 17, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Unum's closed block — reserve assumption updates?
- Unum (UNM) reported closed block — reserve assumption updates of -$160.13M in Q4 2025.
- How has Unum's closed block — reserve assumption updates changed year-over-year?
- Unum's closed block — reserve assumption updates decreased by 465.4% year-over-year, from $43.83M to -$160.13M.
- What is the long-term trend for Unum's closed block — reserve assumption updates?
- Over 2 years (2023 to 2025), Unum's closed block — reserve assumption updates has grown at a 31.8% compound annual growth rate (CAGR), from -$368.8M to -$640.5M.
- What does closed block — reserve assumption updates mean?
- The financial impact of changing the actuarial assumptions used to calculate future insurance liabilities.
- How do you interpret closed block — reserve assumption updates?
- A positive value (gain) indicates favorable assumption changes, while a negative value (loss) indicates a need to strengthen reserves due to adverse experience.
- How does closed block — reserve assumption updates compare across companies?
- Comparable to 'Reserve Strengthening' or 'Actuarial Assumption Changes' at other life and disability insurers.