ATOS
ATOSSA THERAPEUTICS, INC.
NASDAQ · Healthcare · Biotechnology · US
$2.22
−7.50%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+26.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| May 14, 2026 | Finn Jonathan · director | A-Award | 10,000 | $0.00 |
| May 14, 2026 | Cigler Tessa · director | A-Award | 10,000 | $0.00 |
| May 14, 2026 | Galli Stephen J · director | A-Award | 10,000 | $0.00 |
| May 14, 2026 | Steinhart Richard I · director | A-Award | 10,000 | $0.00 |
| May 14, 2026 | Chen Shu-Chih · director | A-Award | 10,000 | $0.00 |
| May 14, 2026 | Remmel H. Lawrence · director | A-Award | 10,000 | $0.00 |
| Mar 31, 2026 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 65,000 | $0.00 |
| Mar 30, 2026 | Daniel Mark James · officer: Chief Financial Officer | A-Award | 63,000 | $0.00 |
| Jan 30, 2026 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 331,674 | $0.00 |
| Jan 22, 2026 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 325,203 | $0.00 |
| Jan 22, 2026 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 950,000 | $0.60 |
| Oct 21, 2025 | Daniel Mark James · officer: Chief Financial Officer | A-Award | 578,000 | $1.03 |
| May 22, 2025 | QUAY STEVEN C · director, officer: President & CEO | Purchase | 11,239 | $0.88 |
| May 16, 2025 | Remmel H. Lawrence · director | A-Award | 125,000 | $0.99 |
| May 16, 2025 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 1,366,062 | $0.99 |
| May 16, 2025 | Rees Heather · officer: Chief Financial Officer | A-Award | 543,785 | $0.99 |
| May 16, 2025 | Galli Stephen J · director | A-Award | 125,000 | $0.99 |
| May 16, 2025 | Finn Jonathan · director | A-Award | 125,000 | $0.99 |
| May 16, 2025 | Cigler Tessa · director | A-Award | 125,000 | $0.99 |
| May 16, 2025 | Steinhart Richard I · director | A-Award | 125,000 | $0.99 |
| May 16, 2025 | Chen Shu-Chih · director | A-Award | 125,000 | $0.99 |
| Mar 28, 2025 | Remmel H. Lawrence · director | Purchase | 10,000 | $0.70 |
| Jul 1, 2024 | Cigler Tessa · director | A-Award | 125,000 | $1.05 |
| Jul 1, 2024 | QUAY STEVEN C · director, officer: President & CEO | A-Award | 1,795,100 | $1.05 |
| Jul 1, 2024 | Rees Heather · officer: SVP, Finance and Accounting | A-Award | 577,700 | $1.05 |
| Jul 1, 2024 | Chen Shu-Chih · director | A-Award | 125,000 | $1.05 |
| Jul 1, 2024 | Steinhart Richard I · director | A-Award | 125,000 | $1.05 |
| Jul 1, 2024 | Remmel H. Lawrence · director | A-Award | 125,000 | $1.05 |
| Jul 1, 2024 | Finn Jonathan · director | A-Award | 125,000 | $1.05 |
| Jul 1, 2024 | Galli Stephen J · director | A-Award | 125,000 | $1.05 |
Institutional positioning
13F filings over the trailing two quarters
New 11Increased 11Reduced 34Sold out 7
| Filer | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 361,747 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 349,096 | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 258,234 | Aug 14, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 255,134 | Jul 17, 2026 |
| BlackRock, Inc. | Increased | 164,358 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 133,169 | May 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 132,043 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 109,007 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 97,061 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 92,382 | Aug 12, 2026 |
| UBS GROUP AG | Reduced | 92,034 | May 5, 2026 |
| UBS Group AG | Reduced | 82,620 | Aug 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 66,739 | May 15, 2026 |
| JANE STREET GROUP, LLC | New Position | 56,602 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 55,000 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing May 14, 2026