Sensei discontinues solnerstotug, starts strategic review; workforce cut 65%

Sensei Biotherapeutics, Inc.

Discontinued solnerstotug development; Board considering sale, merger, or wind-down.
Workforce cut ~65% to preserve cash; small team retained for strategic review.
Cash $25.0M as of Sep 30, 2025, down from $41.3M at Dec 31, 2024.
Q3 2025 net loss $4.6M (vs $7.3M YoY); R&D $2.5M (vs $4.6M YoY).

item 2.02 item 9.01

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accession 0001193125-25-281581

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