Insider · CIK 0001619893

Byrnes Michael

Reports to the SEC for 3 companies · SOUTH SAN FRANCISCO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001619893

Forms 4 and 5

Insider transactions

35 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-01-07	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+691K sh	—	—	690,900
2025-05-30	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+9,326 sh	—	—	9,326
2025-03-04	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+17.9K sh	—	—	17,923
2025-02-24	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+128K sh	—	—	255,000
2024-12-02	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+128K sh	—	—	127,500
2024-05-15	eFFECTOR Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+1,387 sh	$1.68	+$2,334.321	3,117
2024-03-25	CEROCERO THERAPEUTICS HOLDINGS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+113K sh	—	—	112,500
2024-02-19	eFFECTOR Therapeutics, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+40K sh	—	—	40,000
2023-11-15	eFFECTOR Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+4,524 sh	$0.50	+$2,249.785	43,271
2023-05-15	eFFECTOR Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+4,863 sh	$0.46	+$2,232.117	38,747
2023-01-17	eFFECTOR Therapeutics, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+500K sh	—	—	500,000
2022-11-15	eFFECTOR Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+4,651 sh	$0.47	+$2,178.528	33,884
2022-06-20	eFFECTOR Therapeutics, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+236K sh	—	—	235,541
2022-06-07	eFFECTOR Therapeutics, Inc.P Purchase	Chief Financial Officer	PPurchase	+25K sh	$1.33	+$33.3K	29,233
2022-05-13	eFFECTOR Therapeutics, Inc.A Award	Chief Financial Officer	AAward	+4,233 sh	$1.53	+$6,476.49	4,233
2022-01-20	eFFECTOR Therapeutics, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+236K sh	—	—	235,541
2021-08-25	eFFECTOR Therapeutics, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+338K sh	—	—	337,997
2021-08-25	eFFECTOR Therapeutics, Inc.Earn-out RightA Award	Chief Financial Officer	AAward	+49.8K sh	—	—	49,790
2017-12-11	Ocera Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−75K sh	—	—	0
2017-12-11	Ocera Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−102K sh	—	—	0
2017-12-11	Ocera Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−70K sh	—	—	0
2017-12-11	Ocera Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−55K sh	—	—	0
2017-12-11	Ocera Therapeutics, Inc.Stock Option (Right to Buy)D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−123K sh	—	—	0
2017-12-11	Ocera Therapeutics, Inc.D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−150K sh	$1.52	−$228K	0
2017-12-11	Ocera Therapeutics, Inc.D Disposition to Issuer	CFO and Treasurer	DDisposition to Issuer	−13K sh	$1.52	−$19.8K	0
2017-03-29	Ocera Therapeutics, Inc.A Award	CFO and Treasurer	AAward	+150K sh	—	—	163,000
2017-03-28	Ocera Therapeutics, Inc.P Purchase	CFO and Treasurer	PPurchase	+3,000 sh	$1.28	+$3,854.4	13,000
2016-12-15	Ocera Therapeutics, Inc.Stock Option (Right to Buy)A Award	CFO and Treasurer	AAward	+102K sh	—	—	102,300
2016-01-15	Ocera Therapeutics, Inc.P Purchase	CFO and Treasurer	PPurchase	+3,500 sh	$2.07	+$7,245	10,000
2016-01-06	Ocera Therapeutics, Inc.Stock Option (Right to Buy)A Award	CFO and Treasurer	AAward	+123K sh	—	—	123,300
2016-01-06	Ocera Therapeutics, Inc.Stock Option (Right to Buy)A Award	CFO and Treasurer	AAward	+41.1K sh	—	—	41,100
2015-06-18	Ocera Therapeutics, Inc.Stock Option (Right to Buy)A Award	CFO and Treasurer	AAward	+75K sh	—	—	75,000
2015-05-06	Ocera Therapeutics, Inc.P Purchase	CFO and Treasurer	PPurchase	+2,500 sh	$3.61	+$9,025	6,500
2014-12-02	Ocera Therapeutics, Inc.Stock Option (Right to Buy)A Award	CFO and Treasurer	AAward	+70K sh	—	—	70,000
2014-10-01	Ocera Therapeutics, Inc.P Purchase	CFO and Treasurer	PPurchase	+2,000 sh	$4.81	+$9,620	4,000

Recent filings

Accepted (ET)
Jan 94
Byrnes Michael0001213900-26-002950
SEC(opens sec.gov)
Jun 24
Byrnes Michael0001213900-25-050128
SEC(opens sec.gov)
Mar 64
Byrnes Michael0001213900-25-021188
SEC(opens sec.gov)
Feb 264
Byrnes Michael0001213900-25-017510
SEC(opens sec.gov)
Dec 44
Byrnes Michael0001213900-24-105727
SEC(opens sec.gov)
May 174
Byrnes Michael0000950170-24-061597
SEC(opens sec.gov)
Mar 274
Byrnes Michael0001213900-24-026815
SEC(opens sec.gov)
Feb 214
Byrnes Michael0001209191-24-003680
SEC(opens sec.gov)
Nov 164
Byrnes Michael0001209191-23-055554
SEC(opens sec.gov)
May 164
Byrnes Michael0001209191-23-029643
SEC(opens sec.gov)
Jan 194
Byrnes Michael0001209191-23-004044
SEC(opens sec.gov)
Nov 164
Byrnes Michael0001209191-22-057381
SEC(opens sec.gov)
Jun 224
Byrnes Michael0001209191-22-038677
SEC(opens sec.gov)
Jun 74
Byrnes Michael0001209191-22-034881
SEC(opens sec.gov)
May 174
Byrnes Michael0001209191-22-029892
SEC(opens sec.gov)
Jan 244
Byrnes Michael0001209191-22-004687
SEC(opens sec.gov)
Aug 274
Byrnes Michael0001209191-21-053691
SEC(opens sec.gov)
Dec 114
Byrnes Michael0000899243-17-028418
SEC(opens sec.gov)

Companies

Address

CERO THERAPEUTICS HOLDINGS, INC. 201 HASKINS WAY, SUITE 230

SOUTH SAN FRANCISCO, CA, 94080