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Sema4 layoffs, tracked in full.
Sema4 has cut 750 jobs across 2 tracked rounds since 2020. The most recent round was announced Nov 14, 2022, affecting 500 employees.
Total since 2020
All time
750
Most recent round
Nov 14, 2022
500
Layoff rounds
Tracked
2
Industry share
Cumulative
3.1%
Complete timeline · 2 verified rounds
Every Sema4 layoff, documented.
Date
Event
Headcount
Location
Severity
Source
By geography
Where the cuts landed, city by city.
- #01Stamford2 ROUNDS · US750
Frequently asked
Questions about Sema4 layoffs.
How many people has Sema4 laid off since 2020?+
Our dataset tracks 750 job cuts across 2 layoff rounds at Sema4 since January 2020. All rounds are cross-referenced against WARN Act filings, SEC disclosures, and verified news reports.
When were Sema4's most recent layoffs?+
Sema4's most recent tracked layoffs were announced on November 14, 2022. Scroll up to the timeline for the full round-by-round history.
What percentage of Sema4's workforce has been laid off?+
An exact workforce percentage isn't available for Sema4 — we don't have a confirmed peak headcount figure. The total cut figure above reflects all verified rounds in our dataset.
Which teams were affected by Sema4 layoffs?+
Team-level data for Sema4 is limited in our current dataset. Where available, division breakdowns are shown above.
Where does Sema4 layoff data come from?+
Our data combines WARN Act government filings (mandatory for US employers cutting 50+ workers with 60-day notice), SEC 8-K corporate disclosures, and verified news reports. Each event is assigned a verification tier. See our methodology for full standards.
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