Deep Track Biotechnology Master Fund, Ltd. - 21 Aug 2025 Form 4 Insider Report for DYNAVAX TECHNOLOGIES CORP (DVAX)

Role: 10%+ Owner
Signature: Deep Track Biotechnology Master Fund, Ltd., /s/ David Kroin, Director
Issuer symbol: DVAX
Transactions as of: 21 Aug 2025
Transactions value $: -$22,351,598
Form type: 4
Filing time: 22 Aug 2025, 20:49:18 UTC
Previous filing: 24 Oct 2024
Next filing: 10 Sep 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Deep Track Biotechnology Master Fund, Ltd.	10%+ Owner	C/O WALKERS CORPORATE LIMITED,, 190 ELGIN AVENUE, GEORGE TOWN, CAYMAN ISLANDS	Deep Track Biotechnology Master Fund, Ltd., /s/ David Kroin, Director	22 Aug 2025	0002015536
Deep Track Capital, LP	10%+ Owner	200 GREENWICH AVE, 3RD FLOOR, GREENWICH	/s/ Deep Track Capital, LP, /s/ David Kroin, Managing Member of the General Partner of Deep Track Capital, LP	22 Aug 2025	0001856083
KROIN DAVID	10%+ Owner	200 GREENWICH AVE, 3RD FLOOR, GREENWICH	/s/ David Kroin	22 Aug 2025	0001397513

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DVAX	Common Stock, par value $0.001 per share	Sale	-$12.1M	-1.09M	-6.15%	$11.03	16.7M	21 Aug 2025	Direct	F1, F2
transaction	DVAX	Common Stock, par value $0.001 per share	Sale	-$10.3M	-970K	-5.81%	$10.59	15.7M	22 Aug 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	In addition to Deep Track Biotechnology Master Fund, Ltd., a Cayman Islands exempted company ("DTBMF"), this Form 4 is being filed jointly by Deep Track Capital, LP, a Delaware limited partnership ("Deep Track LP"), and David Kroin, a citizen of the United States of America and the managing member of the general partner of Deep Track LP (together with DTBMF and Deep Track LP, the "Reporting Persons"). Each of the Reporting Persons may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the "Subject Securities"). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein.
F2	Each of the Reporting Persons may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) all of the Subject Securities.

Content

In addition to Deep Track Biotechnology Master Fund, Ltd., a Cayman Islands exempted company ("DTBMF"), this Form 4 is being filed jointly by Deep Track Capital, LP, a Delaware limited partnership ("Deep Track LP"), and David Kroin, a citizen of the United States of America and the managing member of the general partner of Deep Track LP (together with DTBMF and Deep Track LP, the "Reporting Persons"). Each of the Reporting Persons may be deemed to have a pecuniary interest in the securities reported on this Form 4 (the "Subject Securities"). Each of the Reporting Persons disclaims any beneficial ownership of any of the Subject Securities, except to the extent of any pecuniary interest therein.

Each of the Reporting Persons may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) all of the Subject Securities.