SEC ownership of DYNAVAX TECHNOLOGIES CORP

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001029142.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

8/20

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
8 of 20
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001029142
Issuer location
Emeryville, CA

Ownership snapshot

Top shareholders of DYNAVAX TECHNOLOGIES CORP (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
8/20
Latest evidence
31 Mar 2026
13D/G 3/4/5 13F Lead comparable stake: 14% 12 rows are not safely comparable across share classes. 13D/G row: BlackRock, Inc. Showing 1-8 of 20 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 14%.

8 of 20 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 14%
Kynam Capital Management, LP 5%
Francis Cano 0.04%
Elaine D. Sun 0.03%
Brent MacGregor 0.02%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 20 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G
14%
$168,738,357
17,009,915 shares
$0 30 Jun 2025
Kynam Capital Management, LP
13D/G
5%
$71,513,102
6,560,835 shares
$0 31 Dec 2024
Francis Cano
3/4/5
Director
0.04%
$414,684
42,663 shares
10 Feb 2026
Elaine D. Sun
3/4/5
Director
0.03%
$290,287
29,865 shares
10 Feb 2026
Brent MacGregor
3/4/5
Director
0.02%
$212,177
21,829 shares
10 Feb 2026
Emilio Emini
3/4/5
Director
0.01%
$97,929
10,075 shares
10 Feb 2026
Lauren P. Silvernail
3/4/5
Director
0.01%
$97,929
10,075 shares
10 Feb 2026
IFP Advisors, Inc
13F
Company
13F
0%
$93
6 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$24,558,142.

Buys
$41,116
Insiders: 1
Sells
$24,599,258
Insiders: 2
Net
-$24,558,142
Shares: -2,205,337
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 3,800 Shares: 2,209,137
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 144,000 $0 $2,247,660 -$2,247,660
9-12 3,800 2,065,137 $41,116 $22,351,598 -$22,310,482

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 20 reporting-owner rows connected to DYNAVAX TECHNOLOGIES CORP. Open a relationship link for the CIK-to-CIK filing trail.

Rows
20
Largest Forms 3/4/5 holder
Andrew A. F. Hack
Net 12M change
-$24,558,142
Latest report
10 Feb 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Andrew A. F. Hack Director $13,885,710 Mixed 08 Aug 2023
Robert Janssen SVP and CMO $1,752,854 Mixed 18 Feb 2025
Ryan Spencer CEO and Director, Director $1,422,300 Mixed 10 Feb 2026
David F. Novack President & COO $574,096 -$2,247,660 -80% Mixed 10 Feb 2026
Peggy Phillips V Director $498,928 Mixed 23 May 2024
John L. Slebir SVP General Counsel $430,996 Mixed 10 Feb 2026
Francis Cano Director $414,684 Mixed 10 Feb 2026
Kelly MacDonald SVP and CFO $400,222 Mixed 10 Feb 2026
Justin Burgess VP Finance & CAO $335,802 Mixed 10 Feb 2025
Elaine D. Sun Director $290,287 Mixed 10 Feb 2026
Peter R. Paradiso Director $241,337 Mixed 11 Jun 2025
Brent MacGregor Director $212,177 Mixed 10 Feb 2026
Julia Marie Eastland Director $183,049 Mixed 23 May 2024
Lauren P. Silvernail Director $97,929 Mixed 10 Feb 2026
Emilio Emini Director $97,929 Mixed 10 Feb 2026
Natale S. Ricciardi Director $68,516 Mixed 26 May 2022
Deep Track Biotechnology Master Fund, Ltd. 10%+ Owner $0 -$22,351,598 -100% Mixed 10 Feb 2026
Joseph Anthony Metzinger VP, Chief Accounting Officer $0 Mixed 10 Feb 2026
Scott Dunseth Myers Director $0 +$41,116 Mixed 10 Feb 2026
Daniel L. Kisner Director $0 Mixed 10 Feb 2026

Recent insider transactions for DYNAVAX TECHNOLOGIES CORP

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Deep Track Biotechnology Master Fund, Ltd. DVAX Common Stock, par value $0.001 per share Disposition pursuant to a tender of shares in a change of control transaction -100% -15,726,349 0 10 Feb 2026 Direct
Ryan Spencer DVAX Common Stock - Performance Stock Units Disposed to Issuer -100% -301,000 0 10 Feb 2026 Direct
Ryan Spencer DVAX Common Stock - Performance Stock Units Award 301,000 165,000 10 Feb 2026 Direct
Ryan Spencer DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -379,620 0 10 Feb 2026 Direct
Ryan Spencer DVAX Restricted Stock Units Disposed to Issuer -100% -145,667 0 10 Feb 2026 Direct
Ryan Spencer DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -1,916,000 0 10 Feb 2026 Direct
John L. Slebir DVAX Common Stock - Performance Stock Units Disposed to Issuer -100% -92,424 0 10 Feb 2026 Direct
John L. Slebir DVAX Common Stock - Performance Stock Units Award 92,424 50,000 10 Feb 2026 Direct
John L. Slebir DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -69,634 0 10 Feb 2026 Direct
John L. Slebir DVAX Restricted Stock Units Disposed to Issuer -100% -44,949 0 10 Feb 2026 Direct
John L. Slebir DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -608,000 0 10 Feb 2026 Direct
Joseph Anthony Metzinger DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -7,129 0 10 Feb 2026 Direct
Joseph Anthony Metzinger DVAX Restricted Stock Units Disposed to Issuer -100% -25,455 0 10 Feb 2026 Direct
Joseph Anthony Metzinger DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -31,500 0 10 Feb 2026 Direct
Kelly MacDonald DVAX Common Stock - Performance Stock Units Disposed to Issuer -100% -88,854 0 10 Feb 2026 Direct
Kelly MacDonald DVAX Common Stock - Performance Stock Units Award 88,854 46,430 10 Feb 2026 Direct
Kelly MacDonald DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -60,204 0 10 Feb 2026 Direct
Kelly MacDonald DVAX Restricted Stock Units Disposed to Issuer -100% -43,759 0 10 Feb 2026 Direct
Kelly MacDonald DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -675,500 0 10 Feb 2026 Direct
Emilio Emini DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -10,075 0 10 Feb 2026 Direct
Emilio Emini DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -49,875 0 10 Feb 2026 Direct
Scott Dunseth Myers DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -31,204 0 10 Feb 2026 Direct
Scott Dunseth Myers DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -3,800 0 10 Feb 2026 Direct
Scott Dunseth Myers DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -135,375 0 10 Feb 2026 Direct
Elaine D. Sun DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -29,865 0 10 Feb 2026 Direct
Elaine D. Sun DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -129,750 0 10 Feb 2026 Direct
Daniel L. Kisner DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -21,829 0 10 Feb 2026 Direct
Daniel L. Kisner DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -1,500 0 10 Feb 2026 Direct
Daniel L. Kisner DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -146,000 0 10 Feb 2026 Direct
Daniel L. Kisner DVAX Stock Option (Right o Buy) Disposed to Issuer -100% -15,000 0 10 Feb 2026 Direct
Brent MacGregor DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -21,829 0 10 Feb 2026 Direct
Brent MacGregor DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -171,000 0 10 Feb 2026 Direct
Lauren P. Silvernail DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -10,075 0 10 Feb 2026 Direct
Lauren P. Silvernail DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -49,875 0 10 Feb 2026 Direct
Francis Cano DVAX Common Stock - Restricted Stock Units Disposed to Issuer -100% -42,663 0 10 Feb 2026 Direct
Francis Cano DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -146,000 0 10 Feb 2026 Direct
David F. Novack DVAX Common Stock - Performance Stock Units Disposed to Issuer -100% -124,224 0 10 Feb 2026 Direct
David F. Novack DVAX Common Stock - Performance Stock Units Award 124,224 67,860 10 Feb 2026 Direct
David F. Novack DVAX Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -63,334 0 10 Feb 2026 Direct
David F. Novack DVAX Restricted Stock Units Disposed to Issuer -100% -60,196 0 10 Feb 2026 Direct
David F. Novack DVAX Stock Option (Right to Buy) Disposed to Issuer -100% -788,000 0 10 Feb 2026 Direct
David F. Novack DVAX Common Stock Sale -64.3% $1,782,960 $15.64 -114,000 63,344 15 Jan 2026 Direct
David F. Novack DVAX Common Stock Options Exercise 180% 114,000 177,344 15 Jan 2026 Direct
David F. Novack DVAX Stock Option (Right to Buy) Options Exercise -100% -114,000 0 15 Jan 2026 Direct
Kelly MacDonald DVAX Common Stock Tax liability -37.5% -36,141 60,204 24 Dec 2025 Direct
Joseph Anthony Metzinger DVAX Common Stock Tax liability -44% -5,598 7,129 24 Dec 2025 Direct
David F. Novack DVAX Common Stock Tax liability -43.2% -48,107 63,344 24 Dec 2025 Direct
David F. Novack DVAX Common Stock Sale -21.2% $464,700 $15.49 -30,000 111,451 24 Dec 2025 Direct
David F. Novack DVAX Common Stock Options Exercise 26.9% 30,000 141,451 24 Dec 2025 Direct
David F. Novack DVAX Stock Option (Right to Buy) Options Exercise -25.9% -30,000 85,655 24 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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