---
schema_version: "secwatch.filing_event.v1"
accession: "0001048695-25-000143"
form_type: "8-K"
ticker: "FFIV"
cik: "0001048695"
company_name: "F5, INC."
filed_at: "2025-09-11T23:59:59+00:00"
generated_at: "2026-05-17T06:48:48.060891+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# F5 to acquire CalypsoAI for $180M to bolster AI security offerings

## Summary
- F5 acquires CalypsoAI for $180M in cash; expected close by Sept 30, 2025 (Q4 FY2025).
- CalypsoAI provides AI inference security: adversarial threat defense, data leakage prevention, unified governance.
- CalypsoAI's platform will integrate into F5's Application Delivery and Security Platform (ADSP).
- Transaction expected to be immaterial to F5's revenue and operating results.

## SEC filing metadata
- accession: 0001048695-25-000143
- form_type: 8-K
- ticker: FFIV
- cik: 0001048695
- company_name: F5, INC.
- filed_at: 2025-09-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1048695/000104869525000143/0001048695-25-000143-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1048695/000104869525000143/ffiv-20250911.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001048695-25-000143
- JSON: https://secwatch.observer/filing/0001048695-25-000143.json
- Plain text: https://secwatch.observer/filing/0001048695-25-000143.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.