Walker Karen Marie

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value
2026-04-17	2026-04-17	Kyverna Therapeutics Inc (KYTX)	PrS Proposed sale	43,942 230.47 US$1,417,058	43,942	230.47	US$1,417,058
2026-04-14	2026-04-14	Kyverna Therapeutics Inc (KYTX)	PrS Proposed sale	19,252 193.77 US$140,552	19,252	193.77	US$140,552
2025-12-17	2025-12-15	Kyverna Therapeutics Inc (KYTX)	PlS Planned sale	85,711 -15.0% 211.83 US$1,633,023	85,711 -15.0%	211.83	US$1,633,023
2025-12-15	2025-12-15	Kyverna Therapeutics Inc (KYTX)	PrS Proposed sale	23,998 8.78 US$210,702	23,998	8.78	US$210,702