James N. Topper

Insider Reports History

Location: 550 Hamilton Avenue, Suite 100, Palo Alto, CA
Signature: /s/ Steve R. Bailey, Attorney-in-Fact For James N. Topper
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by James N. Topper:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
NewAmsterdam Pharma Co N.V.	Director	Ordinary Shares	3.8M	$65.8M	$17.31	Jun 16, 2025	By Frazier Lifesciences Sponsor LLC
NewAmsterdam Pharma Co N.V.	Director	Ordinary Shares	3.02M	$58.9M	$19.50	Jun 16, 2025	By Frazier Life Sciences X, L.P.
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Common Stock	5.83M	$19.3M	$3.31	Jun 3, 2025	By Frazier Life Sciences IX, L.P.
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Common Stock	59.4K	$197K	$3.31	Jun 3, 2025	By Frazier Life Sciences X, L.P.
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Common Stock	42.6K	$141K	$3.31	Jun 3, 2025	Direct
ANAPTYSBIO, INC	Director, 10%+ Owner	Restricted Stock Unit	3.9K	$85.1K	$21.81	Jan 6, 2023	Direct
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Common Stock	3.91K	$12.9K	$3.31	Jun 3, 2025	By Topper Group III LLC
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Common Stock	1	$3.00	$3.31	Jun 3, 2025	By FHMLS IX, L.L.C.
ALPINE IMMUNE SCIENCES, INC.	Director	Common Stock	0	$0	$6.33	May 18, 2024	By Frazier Life Sciences VIII, L.P.
Phathom Pharmaceuticals, Inc.	Director, 10%+ Owner	Stock Option (Right to Buy)	17.5K			Jun 3, 2025	Direct
ANAPTYSBIO, INC	Director, 10%+ Owner	Stock Option (right to buy)	10.6K			Jan 6, 2023	Direct
ALPINE IMMUNE SCIENCES, INC.	Director	Stock Option (Right to buy)	0			May 20, 2024	Direct
ALPINE IMMUNE SCIENCES, INC.	Director	Warrant (Right to Buy)	0			Apr 25, 2024	By: Frazier Life Sciences VIII, L.P.

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Showing 1 to 13 of 13 entries

Insider Reports Filed by James N. Topper

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
NAMS	NewAmsterdam Pharma Co N.V.	Jun 16, 2025	1	$167K	4	Jun 18, 2025	Director
PHAT	Phathom Pharmaceuticals, Inc.	Jun 3, 2025	2	$0	4	Jun 5, 2025	Director, 10%+ Owner
PHAT	Phathom Pharmaceuticals, Inc.	May 21, 2025	1	$14.6K	4	May 23, 2025	Director
PHAT	Phathom Pharmaceuticals, Inc.	May 13, 2025	2	$24.5K	4	May 15, 2025	Director
PHAT	Phathom Pharmaceuticals, Inc.	May 9, 2025	3	$153K	4	May 13, 2025	Director
NAMS	NewAmsterdam Pharma Co N.V.	Mar 26, 2025	1	$25.5K	4	Mar 28, 2025	Director
NAMS	NewAmsterdam Pharma Co N.V.	Mar 4, 2025	1	$84.2K	4	Mar 6, 2025	Director
PHAT	Phathom Pharmaceuticals, Inc.	May 23, 2024	2	$0	4	May 24, 2024	Director, 10%+ Owner
ALPN	ALPINE IMMUNE SCIENCES, INC.	May 18, 2024	8	$0	4	May 20, 2024	Director
ALPN	ALPINE IMMUNE SCIENCES, INC.	Apr 25, 2024	3	-$27	4	Apr 29, 2024	Director
NAMS	NewAmsterdam Pharma Co N.V.	Mar 26, 2024	1	$181K	4	Mar 28, 2024	Director
ALPN	ALPINE IMMUNE SCIENCES, INC.	Jan 2, 2024	1	$0	4	Jan 4, 2024	Director
NAMS	NewAmsterdam Pharma Co N.V.	Dec 29, 2023	0	$0	3	Dec 29, 2023	Director
ALPN	ALPINE IMMUNE SCIENCES, INC.	Dec 11, 2023	2	$1.85M	4	Dec 13, 2023	Director
PHAT	Phathom Pharmaceuticals, Inc.	May 25, 2023	2	$0	4	May 30, 2023	Director, 10%+ Owner
ANAB	ANAPTYSBIO, INC	Jan 6, 2023	2	$0	4	Jan 10, 2023	Director, 10%+ Owner
ALPN	ALPINE IMMUNE SCIENCES, INC.	Jan 3, 2023	1	$0	4	Jan 5, 2023	Director
PHAT	Phathom Pharmaceuticals, Inc.	Sep 22, 2022	1	$0	4	Sep 26, 2022	Director, 10%+ Owner
ANAB	ANAPTYSBIO, INC	Feb 10, 2022	1	$0	4	Feb 14, 2022	Director, 10%+ Owner
ALPN	ALPINE IMMUNE SCIENCES, INC.	Jan 3, 2022	1	$0	4	Jan 4, 2022	Director, 10%+ Owner