NASDAQ:SPRO | Insider Transactions | Spero Therapeutics, Inc.

SPRO Insider Transactions

155 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

SPRO insiders transaction timeline

PurchaseSale
2017-11-06: 6 purchases — GLAXOSMITHKLINE PLC, FORMELA JEAN FRANCOIS, Goyal Vikas and 3 more2018-07-05: 3 sales — Larkin Cristina, Sendek Joel, Mahadevia Ankit2018-07-06: 7 sales — Mahadevia Ankit2018-07-17: 1 purchase — GLAXOSMITHKLINE PLC2020-06-22: 1 sale — Mahadevia Ankit2020-06-23: 1 sale — Mahadevia Ankit2020-06-24: 1 sale — Mahadevia Ankit2020-06-25: 1 sale — Mahadevia Ankit2020-07-07: 1 sale — Mahadevia Ankit2020-07-09: 1 sale — Mahadevia Ankit2020-09-08: 1 sale — Mahadevia Ankit2020-10-13: 1 sale — Mahadevia Ankit2020-10-14: 1 sale — Mahadevia Ankit2020-10-23: 1 sale — Mahadevia Ankit2020-11-03: 1 sale — Mahadevia Ankit2020-11-04: 3 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC, Mahadevia Ankit2020-11-05: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2020-11-06: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2020-11-09: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2020-12-16: 3 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC, Larkin Cristina2020-12-17: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-02-01: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-02-02: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-02-03: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-02-04: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-02-08: 2 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-20: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-23: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-24: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-26: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-27: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-30: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-08-31: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-09-09: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-09-13: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-09-14: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-09-30: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-10-29: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-12-27: 1 sale — Mahadevia Ankit2021-12-29: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-12-30: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2021-12-31: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-01-10: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-01-18: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-01-24: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-01-31: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-02-18: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-02-28: 4 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-03-14: 4 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-03-30: 4 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-04-26: 2 purchases — Aquilo Capital, L.P., Aquilo Capital Management, LLC2022-08-29: 1 sale — Shukla Sath2022-09-22: 4 sales — Aquilo Capital, L.P., Aquilo Capital Management, LLC2023-02-02: 3 sales — Keutzer Timothy, JOSEPH TAMARA L, Shukla Sath2023-02-03: 1 sale — Mahadevia Ankit2023-08-28: 4 sales — Keutzer Timothy, JOSEPH TAMARA L, Mahadevia Ankit and 1 more2023-08-29: 1 sale — Shukla Sath2023-09-13: 1 sale — HAMED KAMAL2024-02-02: 5 sales — Keutzer Timothy, Mahadevia Ankit, JOSEPH TAMARA L and 2 more2024-02-05: 1 sale — Shukla Sath2024-08-02: 1 sale — Shukla Sath2024-08-05: 1 sale — Shukla Sath2024-08-27: 3 sales — Mahadevia Ankit, Keutzer Timothy, Shukla Sath2024-11-07: 1 sale — Rajavelu Esther2024-11-08: 1 sale — Rajavelu Esther2025-02-05: 9 sales — Keutzer Timothy, Rajavelu Esther, Shukla Sath and 1 more2025-08-28: 2 sales — Mahadevia Ankit, Keutzer Timothy2025-11-07: 1 sale — Rajavelu Esther2026-02-02: 2 sales — Keutzer Timothy, Rajavelu Esther2026-02-03: 1 sale — Keutzer Timothy2026-02-04: 1 sale — Keutzer Timothy2026-02-06: 3 sales — Rajavelu Esther, Keutzer Timothy2026-05-04: 1 sale — Rajavelu Esther2017-11-062026-05-04
Insider profileRoleDateTransactionSharesPrice
Rajavelu EstherSee Remarks2026-05-04Sale25,240.0$2.51
Rajavelu EstherSee Remarks2026-02-06Sale50,816.0$2.36
Rajavelu EstherSee Remarks2026-02-06Sale37,101.0$2.36
Keutzer TimothyChief Operating Officer2026-02-06Sale18,652.0$2.36
Keutzer TimothyChief Operating Officer2026-02-04Sale3,471.0$2.24
Keutzer TimothyChief Operating Officer2026-02-03Sale24,224.0$2.14
Keutzer TimothyChief Operating Officer2026-02-02Sale18,891.0$2.2
Rajavelu EstherSee Remarks2026-02-02Sale18,442.0$2.2
Rajavelu EstherSee Remarks2025-11-07Sale40,270.0$2.37
Mahadevia AnkitDirector2025-08-28Sale6,572.0$1.97
Keutzer TimothyChief Operating Officer2025-08-28Sale1,695.0$1.97
Keutzer TimothyChief Operating Officer2025-02-05Sale24,920.0$0.78
Keutzer TimothyChief Operating Officer2025-02-05Sale27,643.0$0.78
Keutzer TimothyChief Operating Officer2025-02-05Sale3,974.0$0.78
Rajavelu EstherCFO & CBO2025-02-05Sale20,689.0$0.78
Shukla SathCEO & President2025-02-05Sale106,408.0$0.78
Shukla SathCEO & President2025-02-05Sale42,786.0$0.78
Shukla SathCEO & President2025-02-05Sale6,139.0$0.78
Mahadevia AnkitDirector2025-02-05Sale55,260.0$0.78
Mahadevia AnkitDirector2025-02-05Sale13,959.0$0.78
Rajavelu EstherCFO & CBO2024-11-08Sale17,245.0$1.3
Rajavelu EstherCFO & CBO2024-11-07Sale23,351.0$1.31
Mahadevia AnkitDirector2024-08-27Sale5,912.0$1.35
Keutzer TimothyChief Operating Officer2024-08-27Sale2,213.0$1.35
Shukla SathCEO & President2024-08-27Sale2,757.0$1.35
Shukla SathCEO and President2024-08-05Sale17,641.0$1.31
Shukla SathCEO and President2024-08-02Sale14,800.0$1.32
Shukla SathCEO and President2024-02-05Sale45,093.0$1.45
Keutzer TimothyChief Operating Officer2024-02-02Sale30,971.0$1.36
Mahadevia AnkitDirector2024-02-02Sale63,795.0$1.37
JOSEPH TAMARA LChief Legal Officer2024-02-02Sale30,906.0$1.37
HAMED KAMALChief Medical Officer2024-02-02Sale28,075.0$1.37
Shukla SathCEO and President2024-02-02Sale30,901.0$1.37
HAMED KAMALChief Medical Officer2023-09-13Sale39,496.0$1.27
Shukla SathCEO and President2023-08-29Sale4,163.0$1.3
Keutzer TimothyChief Development Officer2023-08-28Sale1,854.0$1.26
JOSEPH TAMARA LChief Legal Officer2023-08-28Sale1,854.0$1.26
Mahadevia AnkitDirector2023-08-28Sale9,040.0$1.26
Shukla SathCEO and President2023-08-28Sale1,854.0$1.26
Mahadevia AnkitCEO and President2023-02-03Sale12,286.0$1.81
Keutzer TimothyChief Operating Officer2023-02-02Sale3,394.0$1.86
JOSEPH TAMARA LChief Legal Officer2023-02-02Sale3,394.0$1.86
Shukla SathChief Financial Officer2023-02-02Sale9,504.0$1.83
Aquilo Capital, L.P.TenPercentOwner2022-09-22Sale566,284.0$2.25
Aquilo Capital Management, LLCTenPercentOwner2022-09-22Sale566,284.0$2.25
Aquilo Capital, L.P.TenPercentOwner2022-09-22Sale1,335,512.0$2.25
Aquilo Capital Management, LLCTenPercentOwner2022-09-22Sale1,335,512.0$2.25
Shukla SathChief Financial Officer2022-08-29Sale6,017.0$0.89
Aquilo Capital, L.P.TenPercentOwner2022-04-26Purchase39,727.0$5.24
Aquilo Capital Management, LLCTenPercentOwner2022-04-26Purchase39,727.0$5.24
Aquilo Capital, L.P.TenPercentOwner2022-03-30Purchase16,885.0$8.79
Aquilo Capital Management, LLCTenPercentOwner2022-03-30Purchase16,885.0$8.79
Aquilo Capital, L.P.TenPercentOwner2022-03-30Purchase33,115.0$8.79
Aquilo Capital Management, LLCTenPercentOwner2022-03-30Purchase33,115.0$8.79
Aquilo Capital, L.P.TenPercentOwner2022-03-14Purchase8,006.0$7.63
Aquilo Capital Management, LLCTenPercentOwner2022-03-14Purchase8,006.0$7.63
Aquilo Capital, L.P.TenPercentOwner2022-03-14Purchase15,702.0$7.63
Aquilo Capital Management, LLCTenPercentOwner2022-03-14Purchase15,702.0$7.63
Aquilo Capital, L.P.TenPercentOwner2022-02-28Purchase15,104.0$9.53
Aquilo Capital Management, LLCTenPercentOwner2022-02-28Purchase15,104.0$9.53
Aquilo Capital, L.P.TenPercentOwner2022-02-28Purchase29,729.0$9.53
Aquilo Capital Management, LLCTenPercentOwner2022-02-28Purchase29,729.0$9.53
Aquilo Capital, L.P.TenPercentOwner2022-02-18Purchase14,828.0$9.24
Aquilo Capital Management, LLCTenPercentOwner2022-02-18Purchase14,828.0$9.24
Aquilo Capital, L.P.TenPercentOwner2022-01-31Purchase125,000.0$11.59
Aquilo Capital Management, LLCTenPercentOwner2022-01-31Purchase125,000.0$11.59
Aquilo Capital, L.P.TenPercentOwner2022-01-24Purchase1,599.0$10.89
Aquilo Capital Management, LLCTenPercentOwner2022-01-24Purchase1,599.0$10.89
Aquilo Capital, L.P.TenPercentOwner2022-01-18Purchase48,488.0$12.41
Aquilo Capital Management, LLCTenPercentOwner2022-01-18Purchase48,488.0$12.41
Aquilo Capital, L.P.TenPercentOwner2022-01-10Purchase8,867.0$12.93
Aquilo Capital Management, LLCTenPercentOwner2022-01-10Purchase8,867.0$12.93
Aquilo Capital, L.P.TenPercentOwner2021-12-31Purchase125,000.0$15.75
Aquilo Capital Management, LLCTenPercentOwner2021-12-31Purchase125,000.0$15.75
Aquilo Capital, L.P.TenPercentOwner2021-12-30Purchase50,000.0$15.77
Aquilo Capital Management, LLCTenPercentOwner2021-12-30Purchase50,000.0$15.77
Aquilo Capital, L.P.TenPercentOwner2021-12-29Purchase75,493.0$14.64
Aquilo Capital Management, LLCTenPercentOwner2021-12-29Purchase75,493.0$14.64
Mahadevia AnkitCEO and President2021-12-27Sale8,000.0$14.58
Aquilo Capital, L.P.TenPercentOwner2021-10-29Purchase150,000.0$17.53
Aquilo Capital Management, LLCTenPercentOwner2021-10-29Purchase150,000.0$17.53
Aquilo Capital, L.P.TenPercentOwner2021-09-30Purchase134,543.0$18.65
Aquilo Capital Management, LLCTenPercentOwner2021-09-30Purchase134,543.0$18.65
Aquilo Capital, L.P.TenPercentOwner2021-09-14Purchase2,156.0$18.49
Aquilo Capital Management, LLCTenPercentOwner2021-09-14Purchase2,156.0$18.49
Aquilo Capital, L.P.TenPercentOwner2021-09-13Purchase44,210.0$18.56
Aquilo Capital Management, LLCTenPercentOwner2021-09-13Purchase44,210.0$18.56
Aquilo Capital, L.P.TenPercentOwner2021-09-09Purchase24,749.0$18.5
Aquilo Capital Management, LLCTenPercentOwner2021-09-09Purchase24,749.0$18.5
Aquilo Capital, L.P.TenPercentOwner2021-08-31Purchase48,645.0$18.93
Aquilo Capital Management, LLCTenPercentOwner2021-08-31Purchase48,645.0$18.93
Aquilo Capital, L.P.TenPercentOwner2021-08-30Purchase44,042.0$17.87
Aquilo Capital Management, LLCTenPercentOwner2021-08-30Purchase44,042.0$17.87
Aquilo Capital, L.P.TenPercentOwner2021-08-27Purchase13,957.0$16.88
Aquilo Capital Management, LLCTenPercentOwner2021-08-27Purchase13,957.0$16.88
Aquilo Capital, L.P.TenPercentOwner2021-08-26Purchase22,982.0$16.55
Aquilo Capital Management, LLCTenPercentOwner2021-08-26Purchase22,982.0$16.55
Aquilo Capital, L.P.TenPercentOwner2021-08-24Purchase40,170.0$16.28
Aquilo Capital Management, LLCTenPercentOwner2021-08-24Purchase40,170.0$16.28
Aquilo Capital, L.P.TenPercentOwner2021-08-23Purchase137,835.0$16.33