Signal key
founded_year_changeCategory
Structure
Source
Company Professional Network page (founded year field).
When it fires
Trigger condition
founded_year value changes. Usually a data correction; emitted with confidence 0.5 and requires confirmation.Magnitude
Low, treated as low-confidence by default.For the full bucket definitions used across percentage-based signals, see Magnitude buckets.
Why it matters
This is usually a data correction, so we set lower confidence and require confirmation. A changed founding year rarely reflects a real event, occasionally it surfaces a merger that reset the founding date, but most cases are corrections.How to read it
Likely correction
Most founding-year changes are data fixes.
Low confidence
Emitted at 0.5 confidence, requires confirmation.
Rare M&A clue
Occasionally reflects a reset founding date post-merger.
Outreach playbook
Related signals
Founded Year Added
A previously missing founded year was populated.
Merger Signal
Two companies merged under a common new parent.
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