Aileron Therapeutics, Inc. ALRN
Trading inactive
| Name of reporting person | Citizenship or organization | Sole voting power | Shared voting power | Sole dispositive power | Shared dispositive power | Amount beneficially owned | Percent of class | Accepted date |
|---|---|---|---|---|---|---|---|---|
| Mark N. Lampert | United States | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| Biotechnology Value Fund, L.P. | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF I GP LLC | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| Biotechnology Value Fund II, L.P. | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF II GP LLC | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| Biotechnology Value Trading Fund OS LP | Cayman Islands | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF Partners OS Ltd. | Cayman Islands | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF GP Holdings LLC | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF Partners L.P. | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| BVF Inc. | Delaware | 0 | 0 | 0 | 0 | 0 | 0 % | 14/02/2024 |
| Scott B. Kapnick | United States of America | 0 | 0 | 0 | 0 | 0 | 0 % | 05/02/2024 |
| BIOS FUND II QP, LP | DELAWARE, UNITED STATES | 0 | 540370 | 0 | 540370 | 540370 | 9.99 % | 13/11/2023 |
| BIOS FUND II NT, LP | DELAWARE, UNITED STATES | 0 | 144365 | 0 | 144365 | 144365 | 2.87 % | 13/11/2023 |
| BIOS FUND III, LP | DELAWARE, UNITED STATES | 0 | 178500 | 0 | 178500 | 178500 | 3.52 % | 13/11/2023 |
| BIOS FUND I, LP | DELAWARE, UNITED STATES | 0 | 539293 | 0 | 539293 | 539293 | 9.99 % | 13/11/2023 |
| BIOS EQUITY COF, LP | TEXAS, UNITED STATES | 0 | 542256 | 0 | 542256 | 542256 | 9.99 % | 13/11/2023 |
| CAVU ADVISORS, LLC | TEXAS, UNITED STATES | 0 | 521016 | 0 | 521016 | 521016 | 9.99 % | 13/11/2023 |
| BIOS ADVISORS GP, LLC | TEXAS, UNITED STATES | 0 | 521016 | 0 | 521016 | 521016 | 9.99 % | 13/11/2023 |
| LESLIE WAYNE KREIS, JR. | UNITED STATES | 1819 | 518995 | 1819 | 518995 | 520814 | 9.99 % | 13/11/2023 |
| AARON GLEN LOUIS FLETCHER | UNITED STATES | 10540 | 509306 | 10540 | 509306 | 519846 | 9.99 % | 13/11/2023 |
| BIOS FUND II, LP | DELAWARE, UNITED STATES | 0 | 332278 | 0 | 332278 | 332278 | 6.37 % | 13/11/2023 |
| BIOS FUND I QP, LP | DELAWARE, UNITED STATES | 0 | 540039 | 0 | 540039 | 540039 | 9.99 % | 13/11/2023 |
| BIOS FUND III QP, LP | DELAWARE, UNITED STATES | 0 | 542256 | 0 | 542256 | 542256 | 9.99 % | 13/11/2023 |
| BIOS CAPITAL MANAGEMENT, LP | TEXAS, UNITED STATES | 0 | 521016 | 0 | 521016 | 521016 | 9.99 % | 13/11/2023 |
| CAVU MANAGEMENT, LP | TEXAS, UNITED STATES | 0 | 521016 | 0 | 521016 | 521016 | 9.99 % | 13/11/2023 |
| BIOS EQUITY PARTNERS III, LP | TEXAS, UNITED STATES | 0 | 542256 | 0 | 542256 | 542256 | 9.99 % | 13/11/2023 |
| BIOS EQUITY PARTNERS II, LP | TEXAS, UNITED STATES | 0 | 527239 | 0 | 527239 | 527239 | 9.99 % | 13/11/2023 |
| BIOS EQUITY PARTNERS, LP | TEXAS, UNITED STATES | 0 | 536033 | 0 | 536033 | 536033 | 9.99 % | 13/11/2023 |
| BIOS LTI III QP, LP | DELAWARE, UNITED STATES | 0 | 536029 | 0 | 536029 | 536029 | 9.99 % | 13/11/2023 |
| BIOS LTI III, LP | DELAWARE, UNITED STATES | 0 | 536182 | 0 | 536182 | 536182 | 9.99 % | 13/11/2023 |
| BIOS LTI SPV II, LP | DELAWARE, UNITED STATES | 0 | 540023 | 0 | 540023 | 540023 | 9.99 % | 13/11/2023 |
| BIOS CLINICAL OPPORTUNITY FUND, LP | DELAWARE, UNITED STATES | 0 | 542256 | 0 | 542256 | 542256 | 9.99 % | 13/11/2023 |
| BIOS FUND III NT, LP | DELAWARE, UNITED STATES | 0 | 187500 | 0 | 187500 | 187500 | 3.7 % | 13/11/2023 |
| Scott B. Kapnick | United States of America | 379608 | 0 | 379608 | 0 | 379608 | 8.4 % | 14/02/2023 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 3.7 % | 10/02/2021 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 3.7 % | 10/02/2021 |
| BVF I GP LLC | Delaware | 0 | 2779536 | 0 | 2779536 | 2779536 | 3.3 % | 19/01/2021 |
| Biotechnology Value Fund II, L.P. | Delaware | 0 | 2047487 | 0 | 2047487 | 2047487 | 2.5 % | 19/01/2021 |
| BVF II GP LLC | Delaware | 0 | 2047487 | 0 | 2047487 | 2047487 | 2.5 % | 19/01/2021 |
| Biotechnology Value Fund, L.P. | Delaware | 0 | 2779536 | 0 | 2779536 | 2779536 | 3.3 % | 19/01/2021 |
| BVF I GP LLC | Delaware | 0 | 2779536 | 0 | 2779536 | 2779536 | 3.3 % | 19/01/2021 |
| Biotechnology Value Fund II, L.P. | Delaware | 0 | 2047487 | 0 | 2047487 | 2047487 | 2.5 % | 19/01/2021 |
| BVF II GP LLC | Delaware | 0 | 2047487 | 0 | 2047487 | 2047487 | 2.5 % | 19/01/2021 |
| Biotechnology Value Trading Fund OS LP | Cayman Islands | 0 | 335997 | 0 | 335997 | 335997 | 0 % | 19/01/2021 |
| BVF Partners OS Ltd. | Cayman Islands | 0 | 335997 | 0 | 335997 | 335997 | 0 % | 19/01/2021 |
| BVF GP HOLDINGS LLC | Delaware | 0 | 4827023 | 0 | 4827023 | 4827023 | 5.8 % | 19/01/2021 |
| BVF Partners L.P. | Delaware | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| BVF Inc. | Delaware | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| Mark N. Lampert | United States | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| Biotechnology Value Trading Fund OS LP | Cayman Islands | 0 | 335997 | 0 | 335997 | 335997 | 0 % | 19/01/2021 |
| BVF Partners OS Ltd. | Cayman Islands | 0 | 335997 | 0 | 335997 | 335997 | 0 % | 19/01/2021 |
| BVF GP HOLDINGS LLC | Delaware | 0 | 4827023 | 0 | 4827023 | 4827023 | 5.8 % | 19/01/2021 |
| BVF Partners L.P. | Delaware | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| Mark N. Lampert | United States | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| BVF Inc. | Delaware | 0 | 5265555 | 0 | 5265555 | 5265555 | 6.3 % | 19/01/2021 |
| Biotechnology Value Fund, L.P. | Delaware | 0 | 2779536 | 0 | 2779536 | 2779536 | 3.3 % | 19/01/2021 |
| Scott B. Kapnick | United State of America | 3377222 | 0 | 3377222 | 0 | 3377222 | 8.8 % | 08/06/2020 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 5.3 % | 03/02/2020 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 5.3 % | 03/02/2020 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 5.25 % | 08/11/2019 |
| Jennison Associates LLC S.S. or | Delaware | 1542288 | 0 | 0 | 1542288 | 1542288 | 5.25 % | 08/11/2019 |
| Jennison Associates LLC S.S. or | Delaware | 3582543 | 0 | 0 | 3582543 | 3582543 | 12.7 % | 09/04/2019 |
| Armistice Capital Master Fund Ltd. | Cayman Islands | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Armistice Capital, LLC | Delaware | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Steven Boyd | United States of America | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Armistice Capital Master Fund Ltd. | Cayman Islands | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Armistice Capital, LLC | Delaware | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Steven Boyd | United States of America | 0 | 2137089 | 0 | 2137089 | 2137089 | 8 % | 08/04/2019 |
| Apple Tree Ventures II Annex, LLC | Delaware | 0 | 2305383 | 0 | 2305383 | 2305383 | 15.7 % | 09/02/2018 |
| Seth L. Harrison | United States | 0 | 2305383 | 0 | 2305383 | 2305383 | 15.7 % | 09/02/2018 |
| Apple Tree Partners II, L.P. | Delaware | 0 | 2305383 | 0 | 2305383 | 2305383 | 15.7 % | 09/02/2018 |
| Apple Tree Ventures II, L.P. | Delaware | 0 | 2305383 | 0 | 2305383 | 2305383 | 15.7 % | 09/02/2018 |
| Apple Tree Partners II – Annex, L.P. | Delaware | 0 | 2305383 | 0 | 2305383 | 2305383 | 15.7 % | 09/02/2018 |