Insider · CIK 0001664928

Bucher James B

Reports to the SEC for 4 companies · SAN DIEGO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001664928

Forms 4 and 5

Insider transactions

27 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-01-08	ZNTLZentalis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+100K sh	—	—	100,000
2025-10-01	ZNTLZentalis Pharmaceuticals, Inc. · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+400K sh	—	—	400,000
2024-03-11	Harpoon Therapeutics, Inc.Employee Stock Option (Right to Buy)D Disposition to Issuer	Chief Legal Officer	DDisposition to Issuer	−110K sh	—	—	0
2023-12-21	Harpoon Therapeutics, Inc.Employee Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+110K sh	—	—	110,000
2022-10-31	CLYMClimb Bio, Inc. · Stock Option (Right to Buy)A Award	EVP and General Counsel	AAward	+95K sh	—	—	95,000
2022-01-27	CLYMClimb Bio, Inc. · Stock Option (Right to Buy)A Award	EVP and General Counsel	AAward	+95K sh	—	—	95,000
2019-10-22	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+15.6K sh	—	—	27,677
2019-10-22	ALDER BIOPHARMACEUTICALS INCU Disposition from Tender	EVP & General Counsel	UDisposition from Tender	−27.7K sh	$18.00	−$498K	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−95K sh	—	—	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−50K sh	—	—	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−35K sh	—	—	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−70K sh	—	—	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−70K sh	—	—	0
2019-10-22	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	EVP & General Counsel	DDisposition to Issuer	−135K sh	—	—	0
2019-10-11	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+904 sh	$9.20	+$8,316.8	12,058
2019-05-31	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+1,345 sh	$9.20	+$12.4K	11,154
2019-04-25	ALDER BIOPHARMACEUTICALS INCS Sale	EVP & General Counsel	SSale	−1,897 sh	$13.85	−$26.3K	9,809
2019-04-23	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+7,810 sh	—	—	11,706
2019-02-06	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+135K sh	—	—	135,000
2018-11-30	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+273 sh	$9.35	+$2,552.55	3,896
2018-11-25	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+70K sh	—	—	70,000
2018-05-31	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+2,000 sh	$9.35	+$18.7K	3,623
2018-02-16	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+70K sh	—	—	70,000
2017-12-14	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+35K sh	—	—	35,000
2017-11-30	ALDER BIOPHARMACEUTICALS INCA Award	EVP & General Counsel	AAward	+1,623 sh	$9.35	+$15.2K	1,623
2017-01-27	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+50K sh	—	—	50,000
2016-03-03	ALDER BIOPHARMACEUTICALS INCStock Option (Right to Buy)A Award	EVP & General Counsel	AAward	+95K sh	—	—	95,000

Recent filings

Accepted (ET)
Jan 94
Bucher James B0001664928-26-000003
SEC(opens sec.gov)
Oct 14
Bucher James B0001664928-25-000008
SEC(opens sec.gov)
Mar 114
Bucher James B0000950170-24-029425
SEC(opens sec.gov)
Dec 264
Bucher James B0000950170-23-073031
SEC(opens sec.gov)
Nov 24
Bucher James B0001209191-22-055400
SEC(opens sec.gov)
Jan 314
Bucher James B0001209191-22-005630
SEC(opens sec.gov)
Oct 244
Bucher James B0001209191-19-053921
SEC(opens sec.gov)
Apr 254
Bucher James B0001209191-19-026033
SEC(opens sec.gov)
Feb 84
Bucher James B0001209191-19-008565
SEC(opens sec.gov)

Companies

Address

C/O ZENTALIS PHARMACEUTICALS, INC. 10275 SCIENCE CENTER DRIVE, SUITE 200

SAN DIEGO, CA, 92121