XLO
Xilio Therapeutics, Inc.
NASDAQ · Healthcare · Biotechnology · US
$9.00
−0.22%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+18.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jun 12, 2026 | Shannon James Samuel · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | Brennan Aoife · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | Bonstein Sara · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | Bello Akintunde Olatokumbo · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | ROSS ROBERT W. · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | Xu Yuan · director | A-Award | 5,000 | $7.99 |
| Jun 12, 2026 | Curran Daniel J. · director | A-Award | 5,000 | $7.99 |
| Apr 16, 2026 | Blanchard Cheryl R · director | A-Award | 10,000 | $8.40 |
| Mar 30, 2026 | Shannon James Samuel · director | Purchase | 5,000 | $8.79 |
| Feb 17, 2026 | GILEAD SCIENCES, INC. · 10 percent owner | Purchase | 3,739,000 | $0.00 |
| Jan 5, 2026 | Luptakova Katarina · officer: CHIEF MEDICAL OFFICER | A-Award | 451,885 | $0.84 |
| Jan 5, 2026 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 1,500,258 | $0.84 |
| Jan 5, 2026 | Russo Rene · director, officer: PRESIDENT AND CEO | M-Exempt | 44,250 | $0.00 |
| Jan 5, 2026 | Frankenfield Christopher James · officer: Chief Financial Officer | M-Exempt | 19,375 | $0.00 |
| Jan 5, 2026 | Frankenfield Christopher James · officer: Chief Financial Officer | A-Award | 668,789 | $0.84 |
| Jan 5, 2026 | Brennan Kevin M. · officer: SVP, FINANCE AND ACCOUNTING | Sale | 1,826 | $0.64 |
| Jan 5, 2026 | Brennan Kevin M. · officer: SVP, FINANCE AND ACCOUNTING | M-Exempt | 5,000 | $0.00 |
| Jan 5, 2026 | Brennan Kevin M. · officer: SVP, FINANCE AND ACCOUNTING | A-Award | 95,221 | $0.84 |
| Jan 5, 2026 | Luptakova Katarina · officer: CHIEF MEDICAL OFFICER | M-Exempt | 16,625 | $0.00 |
| Jan 5, 2026 | Frankenfield Christopher James · officer: Chief Financial Officer | Sale | 7,030 | $0.64 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 700,000 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 473,334 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 350,000 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 239,703 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 150,000 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 135,134 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 100,000 | $1.50 |
| Nov 25, 2025 | Russo Rene · director, officer: PRESIDENT AND CEO | A-Award | 50,041 | $1.50 |
| Nov 25, 2025 | Luptakova Katarina · officer: CHIEF MEDICAL OFFICER | A-Award | 15,000 | $1.50 |
| Nov 25, 2025 | Frankenfield Christopher James · officer: Chief Financial Officer | A-Award | 925,000 | $0.84 |
Institutional positioning
13F filings over the trailing two quarters
New 8Increased 1Reduced 16Sold out 23
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | Reduced | 664,021 | May 15, 2026 |
| GILEAD SCIENCES, INC. | Reduced | 650,389 | May 8, 2026 |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | Reduced | 422,505 | May 15, 2026 |
| SIO CAPITAL MANAGEMENT, LLC | Reduced | 152,464 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 123,660 | May 15, 2026 |
| CALIGAN PARTNERS LP | New Position | 112,128 | May 15, 2026 |
| MERCK & CO., INC. | Reduced | 105,982 | May 13, 2026 |
| STONEPINE CAPITAL MANAGEMENT, LLC | Reduced | 64,162 | May 14, 2026 |
| MORGAN STANLEY | Reduced | 57,493 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 49,566 | May 14, 2026 |
| AJU IB INVESTMENT CO., LTD. | Reduced | 47,695 | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 37,197 | May 15, 2026 |
| FMR LLC | Reduced | 36,558 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 28,475 | May 8, 2026 |
| CITADEL ADVISORS LLC | New Position | 25,950 | Sep 2, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 12, 2026