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Signal key

founded_year_change

Category

Structure

Source

Company Professional Network page (founded year field).
The founded year value changed.

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When it fires

Trigger condition

founded_year value changes. Usually a data correction; emitted with confidence 0.5 and requires confirmation.

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Magnitude

Low, treated as low-confidence by default.
For the full bucket definitions used across percentage-based signals, see Magnitude buckets.

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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.

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How to use Founded Year Change Signal?

The setup. You are an analyst at a due-diligence firm; lenders and acquirers pay you to find the discrepancies that glossy data rooms omit. Your craft runs on a simple principle: facts that change without explanation are threads worth pulling, and few facts should change less often than the year a company was founded. What you want. Automated flags on identity-level inconsistencies across the companies you monitor for clients, because inconsistency is where diligence findings live. The signal fires. founded_year_change fires for Calloway Freight, a trucking company your client is considering acquiring: the founded year on their profile has moved from 1998 to 2016. Reading it. There are innocent explanations and interesting ones, and diligence exists to tell them apart. Innocent: a data correction, or marketing aligning the date to a rebrand. Interesting: the 2016 date marks a restructuring the seller prefers not to discuss, a bankruptcy and asset repurchase, a legal entity swap that voided old liabilities, or a “continuity” story stitched over an ownership break. A company that moved its own birthday has a reason, and your client is paying you to know it. The play.
  1. Pull the corporate registry history for both dates; the 2016 entity’s formation documents usually answer the question in an afternoon.
  2. Check what else changed around the same period, name, type, parent signals on the same profile, to reconstruct the event.
  3. Put the finding in the report either way, a resolved discrepancy builds client trust as much as a damning one, and note which representations in the data room the answer touches.
  4. Add the pattern to your monitoring playbook; founding-date drift correlates with restructuring history across portfolios, not just this deal.
Automate it. Run client watchlists through the Company Signals API with founded_year_change as a standing tripwire; it fires rarely, and almost never boringly. Why it lands. Diligence is the business of noticing. This signal notices a category of change designed not to be noticed.

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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.

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Outreach playbook

Low priority. Confirm before acting; usually a correction.

Founded Year Added

A previously missing founded year was populated.

Merger Signal

Two companies merged under a common new parent.

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