Matthew Angel bought $500K of TPST stock

Matthew Angel, CEO and President, 10% of Tempest Therapeutics, Inc. (TPST), bought 231,482 shares of TPST stock worth $500K, per an SEC Form 4 filed Jun 23, 2026.

The shares came through a private deal, not the open market.

The trade happened on Mar 24, 2026, 91 days before it was made public.

TPST has moved -78.6% since the trade date, from $1.75 to $0.38 (Nov 5, 2026 close).