Insider · CIK 0001907345

Lee Gary K.

Reports to the SEC for 1 company · SOUTH SAN FRANCISCO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001907345

Forms 4 and 5

Insider transactions

22 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-21	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−1,457 sh	$15.54	−$22.6K	16,220
2026-08-10	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−131 sh	$14.34	−$1,878.54	17,677
2026-05-11	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−130 sh	$18.92	−$2,459.6	17,808
2026-02-11	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−1,671 sh	$23.39	−$39.1K	16,938
2026-02-10	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−147 sh	$23.12	−$3,398.64	18,609
2026-02-10	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+50K sh	—	—	50,000
2026-02-09	LYELLyell Immunopharma, Inc.A Award	Chief Scientific Officer	AAward	+4,000 sh	—	—	18,756
2025-11-10	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−138 sh	$16.16	−$2,230.08	15,366
2025-10-27	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+68K sh	—	—	68,000
2025-08-21	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−1,453 sh	$10.54	−$15.3K	15,504
2025-08-20	LYELLyell Immunopharma, Inc.A Award	Chief Scientific Officer	AAward	+8,000 sh	—	—	16,957
2025-08-12	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−136 sh	$10.34	−$1,405.968	8,957
2025-08-11	LYELLyell Immunopharma, Inc.S Sale	Chief Scientific Officer	SSale	−131 sh	$10.53	−$1,378.906	9,093
2025-02-10	LYELLyell Immunopharma, Inc.A Award	Chief Scientific Officer	AAward	+113K sh	—	—	176,696
2025-02-10	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+450K sh	—	—	450,000
2025-02-10	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+56.3K sh	—	—	56,250
2024-02-09	LYELLyell Immunopharma, Inc.A Award	Chief Scientific Officer	AAward	+40K sh	—	—	52,700
2024-02-09	LYELLyell Immunopharma, Inc. · Stock Option (right to buy)A Award	Chief Scientific Officer	AAward	+400K sh	—	—	400,000
2023-11-16	LYELLyell Immunopharma, Inc. · Stock Option (right to buy)A Award	Chief Scientific Officer	AAward	+800K sh	—	—	800,000
2023-11-16	LYELLyell Immunopharma, Inc. · Stock Option (right to buy)D Disposition to Issuer	Chief Scientific Officer	DDisposition to Issuer	−800K sh	—	—	0
2023-02-24	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+600K sh	—	—	600,000
2022-02-11	LYELLyell Immunopharma, Inc. · Option (right to buy)A Award	Chief Scientific Officer	AAward	+800K sh	—	—	800,000

Recent filings

Accepted (ET)
Aug 254
Lee Gary K.0001907345-26-000006
SEC(opens sec.gov)
Aug 114
Lee Gary K.0001907345-26-000004
SEC(opens sec.gov)
Jun 154
Lee Gary K.0001907345-26-000003
SEC(opens sec.gov)
Feb 124
Lee Gary K.0001907345-26-000002
SEC(opens sec.gov)
Feb 114
Lee Gary K.0001907345-26-000001
SEC(opens sec.gov)
Nov 124
Lee Gary K.0001907345-25-000006
SEC(opens sec.gov)
Oct 294
Lee Gary K.0001907345-25-000005
SEC(opens sec.gov)
Aug 224
Lee Gary K.0001415889-25-022740
SEC(opens sec.gov)
Aug 134
Lee Gary K.0001415889-25-021692
SEC(opens sec.gov)
Feb 264
Lee Gary K.0001415889-25-005747
SEC(opens sec.gov)
Feb 134
Lee Gary K.0001209191-24-003272
SEC(opens sec.gov)
Nov 204
Lee Gary K.0001209191-23-056180
SEC(opens sec.gov)

Companies

Lyell Immunopharma, Inc.Chief Scientific OfficerLYEL

Address

C/O LYELL IMMUNOPHARMA, INC. 201 HASKINS WAY

SOUTH SAN FRANCISCO, CA, 94080