Baird William D III

Director at 2seventy bio, Inc. · on record since Apr 3, 2024
President and CEO at 2seventy bio, Inc. · on record since Oct 18, 2021
Chief Financial Officer at AMICUS THERAPEUTICS, INC. · on record since Apr 19, 2012
Chief Financial Officer at bluebird bio, Inc. · on record since Feb 12, 2019
Director at Axcella Health Inc. · on record since May 24, 2019

Insider trading activity of Baird William D III

Transactions on record: 133; since Apr 19, 2012

Open-market buys: 3; $304.1K

Open-market sells: 33; $3.3M

Companies traded: 4; last filing May 15, 2025

Figures computed from official regulatory filings — .

Companies where Baird William D III has traded

2seventy bio, Inc.38 tx · $541.3K · May 15, 2025
Axcella Health Inc.4 tx · May 23, 2022
bluebird bio, Inc.22 tx · $231.2K · Nov 17, 2021
AMICUS THERAPEUTICS, INC.69 tx · $4.6M · Oct 17, 2018

Track record of Baird William D III

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

Transaction history of Baird William D III

Co-insiders of Baird William D III

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
2seventy bio, Inc.Listing unverified	May 15, 2025	Other	-118,209	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	Other	-1,002,825	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	OtherD (derivative)	-176,000	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	OtherD (derivative)	-182,000	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	Mar 19, 2025	Sell	-5,092	4.95 USD	$25.2K	SEC
2seventy bio, Inc.Listing unverified	Jan 8, 2025	AwardD (derivative)	176,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 8, 2025	Award	264,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 7, 2025	Sell	-31,718	2.94 USD	$93.3K	SEC
2seventy bio, Inc.Listing unverified	Jan 7, 2025	Sell	-763	2.78 USD	$2.1K	SEC
2seventy bio, Inc.Listing unverified	Jul 3, 2024	Award	586,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Apr 3, 2024	Award	56,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Apr 3, 2024	AwardD (derivative)	112,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	Award	91,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	Sell	-1,380	3.75 USD	$5.2K	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	AwardD (derivative)	182,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 5, 2024	Sell	-33,651	3.87 USD	$130.2K	SEC
2seventy bio, Inc.Listing unverified	Aug 24, 2023	Sell	-7,031	5.49 USD	$38.6K	SEC
2seventy bio, Inc.Listing unverified	Aug 7, 2023	Sell	-6,906	6.13 USD	$42.3K	SEC
2seventy bio, Inc.Listing unverified	Feb 15, 2023	Sell	-637	12.86 USD	$8.2K	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	Award	107,143	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 18, 2023	Sell	-1,077	10.63 USD	$11.4K	SEC
2seventy bio, Inc.Listing unverified	Jan 11, 2023	Sell	-3,222	10.33 USD	$33.3K	SEC
2seventy bio, Inc.Listing unverified	Aug 8, 2022	Sell	-4,152	16.23 USD	$67.4K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
2seventy bio, Inc.Listing unverified	May 15, 2025	Other	-118,209	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	Other	-1,002,825	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	OtherD (derivative)	-176,000	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	May 15, 2025	OtherD (derivative)	-182,000	—	n/a (No price was disclosed in the filing)	SEC
2seventy bio, Inc.Listing unverified	Mar 19, 2025	Sell	-5,092	4.95 USD	$25.2K	SEC
2seventy bio, Inc.Listing unverified	Jan 8, 2025	AwardD (derivative)	176,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 8, 2025	Award	264,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 7, 2025	Sell	-31,718	2.94 USD	$93.3K	SEC
2seventy bio, Inc.Listing unverified	Jan 7, 2025	Sell	-763	2.78 USD	$2.1K	SEC
2seventy bio, Inc.Listing unverified	Jul 3, 2024	Award	586,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Apr 3, 2024	Award	56,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Apr 3, 2024	AwardD (derivative)	112,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	Award	91,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	Sell	-1,380	3.75 USD	$5.2K	SEC
2seventy bio, Inc.Listing unverified	Jan 9, 2024	AwardD (derivative)	182,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 5, 2024	Sell	-33,651	3.87 USD	$130.2K	SEC
2seventy bio, Inc.Listing unverified	Aug 24, 2023	Sell	-7,031	5.49 USD	$38.6K	SEC
2seventy bio, Inc.Listing unverified	Aug 7, 2023	Sell	-6,906	6.13 USD	$42.3K	SEC
2seventy bio, Inc.Listing unverified	Feb 15, 2023	Sell	-637	12.86 USD	$8.2K	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	Award	107,143	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	Award	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Feb 3, 2023	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
2seventy bio, Inc.Listing unverified	Jan 18, 2023	Sell	-1,077	10.63 USD	$11.4K	SEC
2seventy bio, Inc.Listing unverified	Jan 11, 2023	Sell	-3,222	10.33 USD	$33.3K	SEC
2seventy bio, Inc.Listing unverified	Aug 8, 2022	Sell	-4,152	16.23 USD	$67.4K	SEC