Hack Andrew A. F.

Chief Financial Officer at Editas Medicine, Inc. · on record since Feb 2, 2016
Director at Mersana Therapeutics, Inc. · on record since Jun 27, 2017
Director at Allena Pharmaceuticals, Inc. · on record since Jun 12, 2018
Director at DYNAVAX TECHNOLOGIES CORP · on record since Aug 22, 2019
Director at Nuvalent, Inc. · on record since Jul 30, 2021
Director at Atea Pharmaceuticals, Inc. · on record since Oct 30, 2020
Director at BCLS Acquisition Corp. · on record since Oct 26, 2020
Chief Financial Officer at BCLS Acquisition Corp. · on record since Oct 26, 2020
10% owner at BCLS Acquisition Corp. · on record since Oct 26, 2020

Insider trading activity of Hack Andrew A. F.

Transactions on record: 157; since Jan 13, 2017

Open-market buys: 25; $76.9M

Open-market sells: 32; $335.1M

Companies traded: 7; last filing Jan 6, 2026

Figures computed from official regulatory filings — .

Companies where Hack Andrew A. F. has traded

Mersana Therapeutics, Inc.45 tx · $48.4M · Jan 6, 2026
Nuvalent, Inc.12 tx · $191.5M · Dec 13, 2024
DYNAVAX TECHNOLOGIES CORP21 tx · $161.7M · Aug 10, 2023
Allena Pharmaceuticals, Inc.3 tx · Nov 18, 2020
Atea Pharmaceuticals, Inc.5 tx · $6M · Nov 3, 2020
BCLS Acquisition Corp.1 tx · $4.9M · Oct 26, 2020
70 tx · $5.6M · Feb 6, 2019

Track record of Hack Andrew A. F.

Statistical track record

Free account

Open-market buys: 25

Last buy: Nov 3, 2022

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Transaction history of Hack Andrew A. F.

Co-insiders of Hack Andrew A. F.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,200	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	Other	-578	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-734	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,002	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,800	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-118	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,000	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-400	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	Other	-346,545	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,088	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,460	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-439	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-368	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 13, 2025	AwardD (derivative)	61,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Dec 13, 2024	Sell	-1,250,000	88.00 USD	$110M	Unusual size	SEC
Nuvalent, Inc.Security delisted	Jun 14, 2024	Award	2,499	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 14, 2024	AwardD (derivative)	3,789	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2024	AwardD (derivative)	55,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Mar 29, 2024	Sell	-88,205	76.88 USD	$6.8M		SEC
Nuvalent, Inc.Security delisted	Mar 29, 2024	Sell	-791,795	72.31 USD	$57.3M	Unusual size	SEC
DYNAVAX TECHNOLOGIES CORPListing unverified	Aug 10, 2023	Sell	-1,500,000	14.39 USD	$21.6M		SEC
DYNAVAX TECHNOLOGIES CORPListing unverified	Jun 16, 2023	Sell	-500,000	12.68 USD	$6.3M		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2023	Award	14,467	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2023	AwardD (derivative)	18,355	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,200	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	Other	-578	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-734	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,002	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,800	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-118	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-1,000	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-400	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	Other	-346,545	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,088	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-2,460	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-439	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jan 6, 2026	OtherD (derivative)	-368	—	n/a (No price was disclosed in the filing)		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 13, 2025	AwardD (derivative)	61,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Dec 13, 2024	Sell	-1,250,000	88.00 USD	$110M	Unusual size	SEC
Nuvalent, Inc.Security delisted	Jun 14, 2024	Award	2,499	—	n/a (No price was disclosed in the filing)		SEC
Nuvalent, Inc.Security delisted	Jun 14, 2024	AwardD (derivative)	3,789	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2024	AwardD (derivative)	55,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Nuvalent, Inc.Security delisted	Mar 29, 2024	Sell	-88,205	76.88 USD	$6.8M		SEC
Nuvalent, Inc.Security delisted	Mar 29, 2024	Sell	-791,795	72.31 USD	$57.3M	Unusual size	SEC
DYNAVAX TECHNOLOGIES CORPListing unverified	Aug 10, 2023	Sell	-1,500,000	14.39 USD	$21.6M		SEC
DYNAVAX TECHNOLOGIES CORPListing unverified	Jun 16, 2023	Sell	-500,000	12.68 USD	$6.3M		SEC
Nuvalent, Inc.Security delisted	Jun 16, 2023	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2023	Award	14,467	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Mersana Therapeutics, Inc.Listing unverified	Jun 12, 2023	AwardD (derivative)	18,355	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC