David F. Novack - 15 Jan 2026 Form 4 Insider Report for DYNAVAX TECHNOLOGIES CORP (DVAX)

Signature
David F. Novack, by /s/ Trevor Dutcher, Attorney-in-Fact
Issuer symbol
DVAX
Transactions as of
15 Jan 2026
Net transactions value
-$662,680
Form type
4
Filing time
20 Jan 2026, 16:33:32 UTC
Previous filing
29 Dec 2025
Next filing
10 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Novack David F President & COO C/O DYNAVAX TECHNOLOGIES, 2100 POWELL STREET, SUITE 720, EMERYVILLE David F. Novack, by /s/ Trevor Dutcher, Attorney-in-Fact 20 Jan 2026 0001573072

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DVAX Common Stock Options Exercise $136,100 +20,000 +32% $6.80 83,344 15 Jan 2026 Direct F1
transaction DVAX Common Stock Options Exercise $984,180 +94,000 +113% $10.47 177,344 15 Jan 2026 Direct F1
transaction DVAX Common Stock Sale $1,782,960 -114,000 -64% $15.64 63,344 15 Jan 2026 Direct F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DVAX Stock Option (Right to Buy) Options Exercise -20,000 -12% 146,528 15 Jan 2026 Common Stock 20,000 $6.80 Direct F1, F3, F4
transaction DVAX Stock Option (Right to Buy) Options Exercise -85,655 -100% 0 15 Jan 2026 Common Stock 85,655 $10.47 Direct F1, F3, F4
transaction DVAX Stock Option (Right to Buy) Options Exercise -8,345 -100% 0 15 Jan 2026 Common Stock 8,345 $10.47 Direct F1, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sales reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted on December 6, 2024.
F2 This transaction was executed in multiple trades at prices ranging from $15.585 to $15.665; the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC staff, Dynavax, or a security holder of Dynavax.
F3 Fully vested.
F4 Not applicable.