Cellectis S.A.

CLLSNASDAQHealthcare● Active

$2.94

$-0.12(-3.92%)

Market Cap$295226309

P/E Ratio—

52W High$5.48

52W Low$1.327

Avg Volume41K

Open$2.97

Beta2.75

Overview

Cellectis S.A. (CLLS) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · CLLS · as of Mar 20, 2026

Latest filing snapshot

222

+0+0.00%vs prior year

Cellectis S.A. (CLLS) employee data is sourced from the annual SEC 20-F filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 20-F·Period end: 2025-12-31·Full-time · Global

Total Employees

222

Change (1Y)

Growth % (1Y)

+0.00%

Revenue / Employee

$328.6K

Net Income / Employee

$-304.5K

Market Cap

$297M

CLLS Employee Count

2015 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-03-20	2025-12-31	222	+0	+0.00%
2025-03-14	2024-12-31	222	+6	+2.78%
2024-04-29	2023-12-31	216	-20	-8.47%
2023-03-14	2022-12-31	236	-58	-19.73%
2022-03-03	2021-12-31	294	+13	+4.63%
2021-03-04	2020-12-31	281	+17	+6.44%
2020-03-05	2019-12-31	264	+103	+63.98%
2019-03-12	2018-12-31	161	+30	+22.90%
2018-03-13	2017-12-31	131	+9	+7.38%
2017-03-23	2016-12-31	122	+6	+5.17%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

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Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · CLLS peer comparison

About CLLS employees

CLLS Employees · Headcount

Cellectis S.A. (CLLS) employee data is sourced from the annual SEC 20-F filing. As of 2025, Cellectis S.A. had 222 full-time employees globally. Full-time employees only. Global consolidated headcount.

Cellectis S.A. employs 222 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $328,599, reflecting the company's operational efficiency.

Cellectis S.A.'s workforce increased by 0 (0.00%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Cellectis S.A.'s revenue per employee of $328,599 positions it among the notable performers in the Biotechnology sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

CLLS Employees · 5 questions

As of the latest SEC 20-F filing (2025), Cellectis S.A. had 222 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Cellectis S.A. employee counthow many employees does Cellectis S.A. haveCLLS total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-20