DFTX
Definium Therapeutics, Inc.
NASDAQ · Healthcare · Medical - Pharmaceuticals · US
$38.09
+0.24%0
Insider buys (3m)
5
Insider sells (3m)
-$2.6M
Net value (3m)
+61.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 12, 2026 | Barrow Robert · director, officer: Chief Executive Officer | A-Award | 375,000 | $0.00 |
| Aug 12, 2026 | Roberts Brandi · officer: Chief Financial Officer | A-Award | 62,500 | $0.00 |
| Aug 12, 2026 | Wiley Matthew T. · officer: Chief Commercial Officer | A-Award | 62,500 | $0.00 |
| Aug 12, 2026 | Sullivan Mark · officer: Chief Legal Officer | A-Award | 62,500 | $0.00 |
| Aug 12, 2026 | Karlin Daniel · officer: Chief Medical Officer | A-Award | 100,000 | $0.00 |
| Jun 26, 2026 | Roberts Brandi · officer: Chief Financial Officer | Sale | 3,013 | $45 |
| Jun 26, 2026 | Wiley Matthew T. · officer: Chief Commercial Officer | Sale | 2,867 | $45 |
| Jun 26, 2026 | Karlin Daniel · officer: Chief Medical Officer | Sale | 10,035 | $45 |
| Jun 26, 2026 | Barrow Robert · director, officer: Chief Executive Officer | Sale | 29,208 | $45 |
| Jun 26, 2026 | Sullivan Mark · officer: Chief Legal Officer | Sale | 13,008 | $45 |
| Jun 22, 2026 | Wiley Matthew T. · officer: Chief Commercial Officer | A-Award | 62,500 | $0.00 |
| Jun 22, 2026 | Barrow Robert · director, officer: Chief Executive Officer | A-Award | 375,000 | $0.00 |
| Jun 22, 2026 | Roberts Brandi · officer: Chief Financial Officer | A-Award | 62,500 | $0.00 |
| Jun 22, 2026 | Sullivan Mark · officer: Chief Legal Officer | A-Award | 62,500 | $0.00 |
| Jun 22, 2026 | Karlin Daniel · officer: Chief Medical Officer | A-Award | 100,000 | $0.00 |
| Jun 15, 2026 | Bruhn Suzanne Louise · director | A-Award | 19,188 | $24 |
| Jun 15, 2026 | CRYSTAL ROGER · director | A-Award | 19,188 | $24 |
| Jun 15, 2026 | CRYSTAL ROGER · director | A-Award | 4,666 | $0.00 |
| Jun 15, 2026 | Adsett Roger · director | A-Award | 3,555 | $0.00 |
| Jun 15, 2026 | Adsett Roger · director | A-Award | 14,620 | $24 |
| Jun 15, 2026 | Bruhn Suzanne Louise · director | A-Award | 4,666 | $0.00 |
| Jun 15, 2026 | Krebs Andreas · director | A-Award | 19,188 | $24 |
| Jun 15, 2026 | Krebs Andreas · director | A-Award | 4,666 | $0.00 |
| Jun 15, 2026 | Vallone Carol A · director | A-Award | 19,188 | $24 |
| Jun 15, 2026 | Vallone Carol A · director | A-Award | 4,666 | $0.00 |
| Jun 15, 2026 | GRYSKA DAVID W · director | A-Award | 19,188 | $24 |
| Jun 15, 2026 | GRYSKA DAVID W · director | A-Award | 4,666 | $0.00 |
| Mar 26, 2026 | Barrow Robert · director, officer: Chief Executive Officer | Sale | 24,431 | $18 |
| Mar 26, 2026 | Sullivan Mark · officer: Chief Legal Officer | Sale | 10,702 | $18 |
| Mar 26, 2026 | Karlin Daniel · officer: Chief Medical Officer | Sale | 8,018 | $18 |
Institutional positioning
13F filings over the trailing two quarters
New 397Increased 124Reduced 66Sold out 29
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 11,232,834 | Aug 7, 2026 |
| BLACKROCK, INC. | New Position | 8,480,230 | May 13, 2026 |
| Avoro Capital Advisors LLC | Increased | 7,188,888 | Aug 14, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Increased | 6,845,276 | Aug 14, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Reduced | 5,911,889 | May 15, 2026 |
| Jupiter Topco LLC | New Position | 5,615,645 | Aug 14, 2026 |
| Capital World Investors | New Position | 5,367,723 | Aug 12, 2026 |
| AVORO CAPITAL ADVISORS LLC | New Position | 5,000,000 | May 15, 2026 |
| FMR LLC | Increased | 4,752,921 | Aug 13, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 4,652,032 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3,644,813 | Aug 12, 2026 |
| JANUS HENDERSON GROUP PLC | New Position | 3,556,041 | May 18, 2026 |
| STATE STREET CORP | Increased | 3,065,390 | Aug 7, 2026 |
| DEEP TRACK CAPITAL, LP | New Position | 3,000,000 | May 15, 2026 |
| Capital International Investors | New Position | 2,963,410 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 12, 2026