Insider · CIK 0001798155

Keutzer Timothy

Reports to the SEC for 1 company · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001798155

Forms 4 and 5

Insider transactions

22 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-02-06	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−18.7K sh	$2.36	−$44K	742,506
2026-02-04	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−3,471 sh	$2.24	−$7,775.04	761,158
2026-02-03	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−24.2K sh	$2.14	−$51.8K	764,629
2026-02-02	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+68K sh	—	—	807,744
2026-02-02	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−18.9K sh	$2.20	−$41.6K	788,853
2026-02-02	SPROSpero Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Chief Operating Officer	AAward	+137K sh	—	—	137,000
2025-08-28	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−1,695 sh	$1.97	−$3,339.15	739,744
2025-02-05	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−3,974 sh	$0.78	−$3,099.72	794,002
2025-02-05	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−27.6K sh	$0.78	−$21.6K	766,359
2025-02-05	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−24.9K sh	$0.78	−$19.4K	741,439
2025-02-03	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+266K sh	—	—	797,976
2024-08-27	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−2,213 sh	$1.35	−$2,987.55	531,837
2024-02-02	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−31K sh	$1.36	−$42.1K	534,050
2024-02-01	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+240K sh	—	—	565,021
2023-08-28	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−1,854 sh	$1.26	−$2,336.04	325,290
2023-02-02	SPROSpero Therapeutics, Inc.S Sale	Chief Operating Officer	SSale	−3,394 sh	$1.86	−$6,312.84	327,144
2023-02-01	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+266K sh	—	—	330,538
2022-02-01	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+38K sh	—	—	64,581
2022-02-01	SPROSpero Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Chief Operating Officer	AAward	+53.2K sh	—	—	53,190
2021-08-26	SPROSpero Therapeutics, Inc.A Award	Chief Operating Officer	AAward	+24.1K sh	—	—	26,567
2021-02-01	SPROSpero Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Chief Operating Officer	AAward	+57.4K sh	—	—	57,432
2020-02-03	SPROSpero Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Chief Operating Officer	AAward	+55K sh	—	—	55,000

Recent filings

Accepted (ET)
Feb 94
Keutzer Timothy0001193125-26-043315
SEC(opens sec.gov)
Feb 54
Keutzer Timothy0001193125-26-038441
SEC(opens sec.gov)
Sep 34
Keutzer Timothy0000950170-25-112659
SEC(opens sec.gov)
Feb 54
Keutzer Timothy0000950170-25-014866
SEC(opens sec.gov)
Aug 294
Keutzer Timothy0000950170-24-101998
SEC(opens sec.gov)
Feb 54
Keutzer Timothy0000950170-24-011501
SEC(opens sec.gov)
Aug 304
Keutzer Timothy0000950170-23-045450
SEC(opens sec.gov)
Feb 34
Keutzer Timothy0000899243-23-003948
SEC(opens sec.gov)
Feb 34
Keutzer Timothy0000899243-22-004589
SEC(opens sec.gov)
Aug 304
Keutzer Timothy0000899243-21-034499
SEC(opens sec.gov)

Companies

Spero Therapeutics, Inc.Chief Operating OfficerSPRO

Address

C/O SPERO THERAPEUTICS, INC. 675 MASSACHUSETTS AVENUE, 14TH FLOOR

CAMBRIDGE, MA, 02139