Waddill William D.

Director at Turnstone Biologics Corp. · on record since Apr 16, 2024
SVP & Chief Financial Officer at OncoMed Pharmaceuticals Inc · on record since Jul 23, 2013
Director at Protagonist Therapeutics, Inc · on record since Jun 1, 2026
Director at Annexon, Inc. · on record since Jun 15, 2026
SR. VP & CFO at Calithera Biosciences, Inc. · on record since Feb 12, 2015
Director at ARROWHEAD PHARMACEUTICALS, INC. · on record since Dec 27, 2017

Insider trading activity of Waddill William D.

Transactions on record: 95; since Jul 19, 2013

Open-market buys: 0

Open-market sells: 29; $10.5M

Companies traded: 6; last filing Jun 25, 2026

Figures computed from official regulatory filings — .

Companies where Waddill William D. has traded

Protagonist Therapeutics, Inc48 tx · $8.8M · Jun 25, 2026
Annexon, Inc.6 tx · Jun 15, 2026
ARROWHEAD PHARMACEUTICALS, INC.26 tx · $3.6M · Dec 23, 2025
Turnstone Biologics Corp.2 tx · Jul 2, 2024
Calithera Biosciences, Inc.10 tx · $57.9K · Dec 1, 2016
OncoMed Pharmaceuticals Inc3 tx · Jul 23, 2013

Track record of Waddill William D.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Waddill William D.

Co-insiders of Waddill William D.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	Sell	-9,000	117.94 USD	$1.1M		SEC
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	ExerciseD (derivative)	-9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	Exercise	9,000	16.54 USD	$148.9K		SEC
Annexon, Inc.Listing on record	Jun 15, 2026	AwardD (derivative)	65,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Exercise	6,000	16.54 USD	$99.2K		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	ExerciseD (derivative)	-3,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	ExerciseD (derivative)	-6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Exercise	3,000	11.80 USD	$35.4K		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Sell	-9,000	107.68 USD	$969.1K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	Exercise	9,000	11.80 USD	$106.2K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	Sell	-9,000	99.64 USD	$896.8K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	ExerciseD (derivative)	-9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	Sell	-20,000	83.68 USD	$1.7M	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	Exercise	20,000	8.31 USD	$166.2K	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jan 6, 2026	Award	2,695	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jan 6, 2026	AwardD (derivative)	3,762	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-500	68.53 USD	$34.3K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-2,416	66.66 USD	$161.1K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-5,451	68.01 USD	$370.7K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 18, 2025	Award	7,819	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Sell	-8,000	87.81 USD	$702.5K	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Exercise	12,000	6.98 USD	$83.8K		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Sell	-4,000	69.25 USD	$277K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	Sell	-9,000	117.94 USD	$1.1M		SEC
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	ExerciseD (derivative)	-9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 25, 2026	Exercise	9,000	16.54 USD	$148.9K		SEC
Annexon, Inc.Listing on record	Jun 15, 2026	AwardD (derivative)	65,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Exercise	6,000	16.54 USD	$99.2K		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	ExerciseD (derivative)	-3,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	ExerciseD (derivative)	-6,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Exercise	3,000	11.80 USD	$35.4K		SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2026	Sell	-9,000	107.68 USD	$969.1K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	Exercise	9,000	11.80 USD	$106.2K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	Sell	-9,000	99.64 USD	$896.8K		SEC
Protagonist Therapeutics, IncListing on record	Jun 1, 2026	ExerciseD (derivative)	-9,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	Sell	-20,000	83.68 USD	$1.7M	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	Exercise	20,000	8.31 USD	$166.2K	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Feb 6, 2026	ExerciseD (derivative)	-20,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jan 6, 2026	Award	2,695	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Jan 6, 2026	AwardD (derivative)	3,762	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-500	68.53 USD	$34.3K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-2,416	66.66 USD	$161.1K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 23, 2025	Sell	-5,451	68.01 USD	$370.7K		SEC
ARROWHEAD PHARMACEUTICALS, INC.Listing on record	Dec 18, 2025	Award	7,819	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Sell	-8,000	87.81 USD	$702.5K	Unusual size	SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Exercise	12,000	6.98 USD	$83.8K		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	ExerciseD (derivative)	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Protagonist Therapeutics, IncListing on record	Oct 14, 2025	Sell	-4,000	69.25 USD	$277K		SEC