Insider · CIK 0001763316

Kosacz Barbara

Reports to the SEC for 5 companies · EMERYVILLE, CA

sec.gov

Transactions

Companies

Filings

CIK

0001763316

Forms 4 and 5

Insider transactions

37 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-07-14	XOMA Royalty CorpJ Other	Director	JOther	−6,269 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−9,763 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−11K sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−8,996 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−5,101 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−6,152 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−8,167 sh	—	—	0
2026-07-14	XOMA Royalty CorpStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−20K sh	—	—	0
2026-06-23	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+28K sh	—	—	28,000
2026-05-21	XOMA Royalty CorpA Award	Director	AAward	+3,586 sh	—	—	9,557
2026-04-09	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+28K sh	—	—	28,000
2025-05-30	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+20.9K sh	—	—	20,900
2025-05-21	XOMA Royalty CorpA Award	Director	AAward	+5,971 sh	—	—	5,971
2025-05-21	XOMA Royalty CorpA Award	Director	AAward	+5,971 sh	—	—	5,971
2024-05-24	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+20.9K sh	—	—	20,900
2024-05-15	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+9,763 sh	—	—	9,763
2024-02-14	CEROCERO THERAPEUTICS HOLDINGS, INC.J Other	Director	JOther	+5,828 sh	—	—	5,828
2024-01-04	Kronos Bio, Inc.S Sale	COO & General Counsel	SSale	−10.7K sh	$1.18	−$12.6K	928,966
2023-05-19	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+20.9K sh	—	—	20,900
2023-05-17	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+11K sh	—	—	10,967
2023-02-15	Kronos Bio, Inc.Employee Stock Option (Right to Buy)A Award	COO & General Counsel	AAward	+208K sh	—	—	208,367
2023-02-15	Kronos Bio, Inc.A Award	COO & General Counsel	AAward	+139K sh	—	—	939,642
2022-07-25	Kronos Bio, Inc.A Award	COO & General Counsel	AAward	+53.6K sh	—	—	791,624
2022-05-20	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+13.9K sh	—	—	13,871
2022-05-18	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+8,996 sh	—	—	8,996
2022-02-15	Kronos Bio, Inc.Employee Stock Option (Right to Buy)A Award	COO & General Counsel	AAward	+80K sh	—	—	80,000
2022-02-15	Kronos Bio, Inc.A Award	COO & General Counsel	AAward	+53.6K sh	—	—	738,024
2021-10-08	CEROCERO THERAPEUTICS HOLDINGS, INC. · Class B Common StockJ Other	Director	JOther	+17.5K sh	—	—	17,500
2021-05-19	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+5,101 sh	—	—	5,101
2021-03-04	LONALeonaBio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+27.7K sh	—	—	27,742
2021-01-12	eFFECTOR Therapeutics, Inc.Class B Common StockJ Other	Director	JOther	−17.5K sh	—	—	17,500
2020-12-09	Kronos Bio, Inc.Employee Stock Option (Right to Buy)A Award	COO & General Counsel	AAward	+105K sh	—	—	104,736
2020-12-09	Kronos Bio, Inc.A Award	COO & General Counsel	AAward	+69.8K sh	—	—	684,424
2020-10-14	Kronos Bio, Inc.P Purchase	COO & General Counsel	PPurchase	+5,250 sh	$19.00	+$99.8K	614,600
2020-05-20	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+6,152 sh	—	—	6,152
2019-05-16	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+8,167 sh	—	—	8,167
2019-01-01	XOMA Royalty CorpNon-Qualified Share Option (right to buy)A Award	Director	AAward	+20K sh	—	—	19,979

Recent filings

Accepted (ET)
Jul 144
Kosacz Barbara0001193125-26-303726
SEC(opens sec.gov)
Jun 244
Kosacz Barbara0001763316-26-000004
SEC(opens sec.gov)
May 264
Kosacz Barbara0001214659-26-006744
SEC(opens sec.gov)
Apr 134
Kosacz Barbara0001763316-26-000002
SEC(opens sec.gov)
Jun 34
Kosacz Barbara0001415889-25-015434
SEC(opens sec.gov)
May 234
Kosacz Barbara0001214659-25-008318
SEC(opens sec.gov)
May 234
Kosacz Barbara0001214659-25-008324
SEC(opens sec.gov)
May 244
Kosacz Barbara0001415889-24-014576
SEC(opens sec.gov)
May 174
Kosacz Barbara0001214659-24-009522
SEC(opens sec.gov)
Feb 164
Kosacz Barbara0001213900-24-015032
SEC(opens sec.gov)
Jan 54
Kosacz Barbara0001209191-24-001065
SEC(opens sec.gov)
May 224
Kosacz Barbara0001209191-23-031572
SEC(opens sec.gov)
May 194
Kosacz Barbara0001214659-23-007560
SEC(opens sec.gov)

Companies

Address

C/O XOMA ROYALTY CORPORATION 2200 POWELL STREET, SUITE 310

EMERYVILLE, CA, 94608