SentinelOne acquires Prompt Security for $180M and Observo for $225M in cash and stock

SentinelOne, Inc.

Prompt Security deal closed Sep 5, 2025; consideration of ~$180M (cash + 1,555,099 shares of Class A common stock).
Observo deal signed Sep 8, 2025; consideration ~$225M (cash + ~5.3M shares, 2.45M of which subject to vesting).
Both stock issuances made to accredited investors under exemptions from registration.
Observo expected to close in SentinelOne's Q3 fiscal 2026, pending regulatory approvals and conditions.

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