Insider · CIK 0001636135

Duke William E.

Reports to the SEC for 4 companies · NEW HAVEN, CT

sec.gov

Transactions

Companies

Filings

CIK

0001636135

Forms 4 and 5

Insider transactions

38 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-18	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−18.4K sh	$0.84	−$15.5K	168,937
2026-08-17	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−22.4K sh	$0.72	−$16.1K	187,362
2026-08-15	IVVDInvivyd, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+102K sh	—	—	209,717
2026-08-15	IVVDInvivyd, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−102K sh	—	—	0
2026-02-18	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−21K sh	$1.58	−$33.1K	107,717
2026-02-17	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−19.7K sh	$1.54	−$30.3K	128,681
2026-02-15	IVVDInvivyd, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−99K sh	—	—	102,000
2026-02-15	IVVDInvivyd, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+99K sh	—	—	148,344
2026-01-29	IVVDInvivyd, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+625K sh	—	—	625,000
2025-08-19	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−29.6K sh	$0.57	−$16.8K	49,344
2025-08-18	IVVDInvivyd, Inc.S Sale	Chief Financial Officer	SSale	−20K sh	$0.65	−$13K	78,987
2025-08-15	IVVDInvivyd, Inc. · Restricted Stock UnitsM Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	−99K sh	—	—	201,000
2025-08-15	IVVDInvivyd, Inc.M Exercise/Conversion	Chief Financial Officer	MExercise/Conversion	+99K sh	—	—	99,000
2025-02-15	IVVDInvivyd, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+950K sh	—	—	950,000
2025-02-15	IVVDInvivyd, Inc. · Restricted Stock UnitsA Award	Chief Financial Officer	AAward	+300K sh	—	—	300,000
2023-12-18	IVVDInvivyd, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+200K sh	—	—	200,000
2023-09-01	IVVDInvivyd, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+750K sh	—	—	750,000
2023-08-23	Apexigen, Inc.D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−128K sh	—	—	0
2023-08-23	Apexigen, Inc.Employee Stock Option (right to buy)D Disposition to Issuer	Chief Financial Officer	DDisposition to Issuer	−270K sh	—	—	0
2023-08-23	Apexigen, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−26.4K sh	$0.39	−$10.2K	128,001
2023-06-15	Apexigen, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−4,504 sh	$0.49	−$2,211.914	154,417
2023-05-23	Apexigen, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−17.3K sh	$0.40	−$6,904.4	158,921
2023-05-23	Apexigen, Inc.A Award	Chief Financial Officer	AAward	+150K sh	—	—	176,182
2022-12-15	Apexigen, Inc.F Tax Payment	Chief Financial Officer	FTax Payment	−4,503 sh	$1.06	−$4,773.18	26,182
2022-10-07	Apexigen, Inc.A Award	Chief Financial Officer	AAward	+30.7K sh	—	—	30,685
2022-10-07	Apexigen, Inc.Employee Stock Option (right to buy)A Award	Chief Financial Officer	AAward	+270K sh	—	—	269,848
2022-01-14	Kaleido Biosciences, Inc.Restricted Stock UnitsA Award	Chief Financial Officer	AAward	+125K sh	—	—	125,000
2022-01-14	Kaleido Biosciences, Inc.Restricted Stock UnitsA Award	Chief Financial Officer	AAward	+45K sh	—	—	44,990
2021-09-01	Kaleido Biosciences, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+60K sh	—	—	60,000
2021-03-01	Kaleido Biosciences, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+60K sh	—	—	60,000
2020-10-15	Kaleido Biosciences, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+50K sh	—	—	50,000
2020-04-15	Kaleido Biosciences, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+50K sh	—	—	50,000
2019-11-29	Kaleido Biosciences, Inc.Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+270K sh	—	—	270,000
2019-05-16	PULMPulmatrix, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+160K sh	—	—	160,000
2018-06-05	PULMPulmatrix, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+850K sh	—	—	850,000
2017-03-20	PULMPulmatrix, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+75.1K sh	—	—	75,100
2016-02-03	PULMPulmatrix, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+150K sh	—	—	150,200
2015-06-24	PULMPulmatrix, Inc. · Stock Option (Right to Buy)A Award	Chief Financial Officer	AAward	+235K sh	—	—	235,224

Recent filings

Accepted (ET)
Aug 184
Duke William E.0001193125-26-355913
SEC(opens sec.gov)
Feb 184
Duke William E.0001193125-26-057819
SEC(opens sec.gov)
Jan 304
Duke William E.0001193125-26-031858
SEC(opens sec.gov)
Aug 194
Duke William E.0000950170-25-110344
SEC(opens sec.gov)
Feb 194
Duke William E.0000950170-25-023239
SEC(opens sec.gov)
Dec 204
Duke William E.0000950170-23-071907
SEC(opens sec.gov)
Sep 54
Duke William E.0000950170-23-046430
SEC(opens sec.gov)
Aug 254
Duke William E.0001209191-23-047432
SEC(opens sec.gov)

Companies

Address

C/O INVIVYD, INC. 205 CHURCH STREET

NEW HAVEN, CT, 06510