NASDAQ:ASMB | Insider Transactions | ASSEMBLY BIOSCIENCES, INC.

ASMB Insider Transactions

101 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.

ASMB insiders transaction timeline

PurchaseSale
2013-02-04: 1 purchase — ELLISON RUSSELL H2013-02-05: 1 purchase — ELLISON RUSSELL H2014-05-20: 1 purchase — BARRETT DAVID JONATHAN2014-05-21: 1 purchase — ELLISON RUSSELL H2014-05-22: 2 purchases — ELLISON RUSSELL H, BARRETT DAVID JONATHAN2014-05-23: 2 purchases — ELLISON RUSSELL H, BARRETT DAVID JONATHAN2014-05-27: 1 purchase — ELLISON RUSSELL H2016-02-10: 1 purchase — Small Derek A2016-02-11: 1 purchase — Small Derek A2017-05-12: 1 sale — RINGO WILLIAM R2017-10-16: 1 sale — RINGO WILLIAM R2017-11-01: 1 sale — RINGO WILLIAM R2017-12-01: 1 sale — RINGO WILLIAM R2018-01-02: 1 sale — RINGO WILLIAM R2018-02-01: 1 sale — RINGO WILLIAM R2018-03-01: 1 sale — RINGO WILLIAM R2018-04-02: 1 sale — RINGO WILLIAM R2018-05-01: 1 sale — RINGO WILLIAM R2018-06-01: 1 sale — RINGO WILLIAM R2018-07-02: 1 sale — RINGO WILLIAM R2018-07-19: 2 purchases — Small Derek A2018-09-05: 1 sale — Lopatin Uri A2018-09-06: 1 sale — Lopatin Uri A2019-12-12: 1 sale — Colonno Richard James2019-12-13: 1 sale — Papkoff Jacqueline Sybil2020-03-30: 1 sale — Papkoff Jacqueline Sybil2020-03-31: 1 sale — Colonno Richard James2020-08-07: 2 sales — McHutchison John G2020-11-09: 1 sale — Stamm Luisa M2020-12-14: 1 sale — Papkoff Jacqueline Sybil2021-05-27: 1 sale — Delaney William E IV2021-08-09: 1 sale — McHutchison John G2022-03-28: 1 sale — Okazaki Jason A2022-03-30: 5 sales — Samar Michael P., Stamm Luisa M, Delaney William E IV and 2 more2022-05-31: 1 sale — Delaney William E IV2022-07-25: 1 sale — Samar Michael P.2022-08-08: 1 sale — McHutchison John G2023-03-27: 1 sale — Okazaki Jason A2023-03-30: 4 sales — McHutchison John G, Bjorkquist Jeanette M, Delaney William E IV and 1 more2023-05-23: 4 sales — McHutchison John G, Bjorkquist Jeanette M, Delaney William E IV and 1 more2023-05-30: 1 sale — Delaney William E IV2023-07-24: 1 sale — Bjorkquist Jeanette M2023-08-02: 2 sales — Delaney William E IV, Okazaki Jason A2023-10-03: 3 sales — White Nicole S, Delaney William E IV, Okazaki Jason A2023-11-17: 1 sale — White Nicole S2023-11-20: 1 purchase — Schornstein Alexander2023-11-21: 1 purchase — Schornstein Alexander2024-01-17: 1 purchase — Schornstein Alexander2024-01-18: 1 purchase — Schornstein Alexander2024-03-27: 1 sale — Okazaki Jason A2024-04-01: 4 sales — McHutchison John G, Bjorkquist Jeanette M, White Nicole S and 1 more2024-04-30: 2 sales — White Nicole S, Okazaki Jason A2024-05-23: 4 sales — Bjorkquist Jeanette M, McHutchison John G, Okazaki Jason A and 1 more2024-06-17: 1 purchase — GILEAD SCIENCES, INC.2024-07-03: 1 purchase — Schornstein Alexander2024-07-05: 1 purchase — Schornstein Alexander2024-08-02: 2 sales — White Nicole S, Okazaki Jason A2024-10-03: 2 sales — White Nicole S, Okazaki Jason A2024-10-08: 1 purchase — Schornstein Alexander2024-11-18: 1 sale — White Nicole S2024-11-22: 1 purchase — Schornstein Alexander2024-11-25: 2 purchases — Schornstein Alexander2024-12-19: 1 purchase — GILEAD SCIENCES, INC.2024-12-30: 1 purchase — Houghton Michael2025-03-31: 4 sales — McHutchison John G, Bjorkquist Jeanette M, Okazaki Jason A and 1 more2025-08-08: 1 purchase — GILEAD SCIENCES, INC.2026-03-30: 4 sales — Bjorkquist Jeanette M, White Nicole S2026-06-17: 1 sale — Bjorkquist Jeanette M2013-02-042026-06-17
Insider profileRoleDateTransactionSharesPrice
Bjorkquist Jeanette MPFO and PAO2026-06-17Sale29.0$23.25
Bjorkquist Jeanette MPFO and PAO2026-03-30Sale16.0$27.49
Bjorkquist Jeanette MPFO and PAO2026-03-30Sale312.0$26.65
White Nicole SChief Manufacturing Officer2026-03-30Sale9.0$27.49
White Nicole SChief Manufacturing Officer2026-03-30Sale188.0$26.65
GILEAD SCIENCES, INC.TenPercentOwner2025-08-08Purchase2,295,920.0—
McHutchison John GDirector2025-03-31Sale757.0$9.85
Bjorkquist Jeanette MPrincipal Accounting Officer2025-03-31Sale180.0$9.85
Okazaki Jason ACEO and President2025-03-31Sale355.0$9.85
White Nicole SChief Manufacturing Officer2025-03-31Sale197.0$9.85
Houghton MichaelDirector2024-12-30Purchase3,202.0$15.61
GILEAD SCIENCES, INC.TenPercentOwner2024-12-19Purchase940,499.0$21.37
Schornstein AlexanderTenPercentOwner2024-11-25Purchase5,000.0$14.85
Schornstein AlexanderTenPercentOwner2024-11-25Purchase2,976.0$15.0
Schornstein AlexanderTenPercentOwner2024-11-22Purchase17,024.0$14.87
White Nicole SChief Manufacturing Officer2024-11-18Sale40.0$16.29
Schornstein AlexanderTenPercentOwner2024-10-08Purchase10,000.0$14.58
White Nicole SChief Manufacturing Officer2024-10-03Sale157.0$14.81
Okazaki Jason ACEO and President2024-10-03Sale197.0$14.81
White Nicole SChief Manufacturing Officer2024-08-02Sale785.0$14.23
Okazaki Jason ACEO and President2024-08-02Sale981.0$14.23
Schornstein AlexanderTenPercentOwner2024-07-05Purchase4,438.0$12.52
Schornstein AlexanderTenPercentOwner2024-07-03Purchase4,562.0$12.29
GILEAD SCIENCES, INC.TenPercentOwner2024-06-17Purchase179,500.0—
Bjorkquist Jeanette MPrincipal Accounting Officer2024-05-23Sale24.0$14.93
McHutchison John GDirector2024-05-23Sale2,117.0$14.93
Okazaki Jason ACEO and President2024-05-23Sale549.0$14.93
White Nicole SChief Manufacturing Officer2024-05-23Sale172.0$14.93
White Nicole SChief Manufacturing Officer2024-04-30Sale1,255.0$12.71
Okazaki Jason ACEO and President2024-04-30Sale1,569.0$12.71
McHutchison John GDirector2024-04-01Sale1,206.0$13.07
Bjorkquist Jeanette MPrincipal Accounting Officer2024-04-01Sale114.0$13.07
White Nicole SChief Manufacturing Officer2024-04-01Sale197.0$13.07
Okazaki Jason ACEO and President2024-04-01Sale354.0$13.07
Okazaki Jason ACEO and President2024-03-27Sale392.0$12.87
Schornstein AlexanderTenPercentOwner2024-01-18Purchase345,086.0$0.8
Schornstein AlexanderTenPercentOwner2024-01-17Purchase299,994.0$0.78
Schornstein AlexanderTenPercentOwner2023-11-21Purchase100,000.0$0.67
Schornstein AlexanderTenPercentOwner2023-11-20Purchase300,000.0$0.72
White Nicole SChief Manufacturing Officer2023-11-17Sale477.0$0.69
White Nicole SChief Manufacturing Officer2023-10-03Sale1,891.0$0.8
Delaney William E IVChief Scientific Officer2023-10-03Sale1,891.0$0.8
Okazaki Jason ACEO and President2023-10-03Sale2,363.0$0.8
Delaney William E IVChief Scientific Officer2023-08-02Sale9,461.0$1.09
Okazaki Jason ACEO and President2023-08-02Sale11,827.0$1.09
Bjorkquist Jeanette MPrincipal Accounting Officer2023-07-24Sale844.0$1.07
Delaney William E IVChief Scientific Officer2023-05-30Sale4,232.0$0.96
McHutchison John GDirector2023-05-23Sale25,972.0$1.04
Bjorkquist Jeanette MPrincipal Accounting Officer2023-05-23Sale274.0$1.04
Delaney William E IVChief Scientific Officer2023-05-23Sale6,561.0$1.04
Okazaki Jason ACEO and President2023-05-23Sale6,561.0$1.04
McHutchison John GDirector2023-03-30Sale14,883.0$0.82
Bjorkquist Jeanette MPrincipal Accounting Officer2023-03-30Sale774.0$0.82
Delaney William E IVChief Scientific Officer2023-03-30Sale3,421.0$0.82
Okazaki Jason ACEO and President2023-03-30Sale4,247.0$0.82
Okazaki Jason ACEO and President2023-03-27Sale4,693.0$1.02
McHutchison John GChief Executive Officer2022-08-08Sale12,314.0$2.13
Samar Michael P.Chief Financial Officer2022-07-25Sale2,020.0$2.22
Delaney William E IVChief Scientific Officer2022-05-31Sale4,164.0$1.92
Samar Michael P.Chief Financial Officer2022-03-30Sale2,285.0$2.17
Stamm Luisa MChief Medical Officer2022-03-30Sale1,038.0$2.17
Delaney William E IVChief Scientific Officer2022-03-30Sale1,038.0$2.17
Okazaki Jason AChief Operating Officer2022-03-30Sale1,269.0$2.17
McHutchison John GCEO and President2022-03-30Sale4,614.0$2.17
Okazaki Jason AChief Operating Officer2022-03-28Sale4,617.0$2.24
McHutchison John GCEO and President2021-08-09Sale12,156.0$3.6
Delaney William E IVChief Scientific Officer2021-05-27Sale4,129.0$4.03
Papkoff Jacqueline SybilSVP-CSO Microbiome2020-12-14Sale1,297.0$6.15
Stamm Luisa MChief Medical Officer2020-11-09Sale4,397.0$5.1
McHutchison John GCEO and President2020-08-07Sale756.0$22.5
McHutchison John GCEO and President2020-08-07Sale11,395.0$21.76
Colonno Richard JamesEVP & CSO, Virology Ops2020-03-31Sale7,812.0$15.04
Papkoff Jacqueline SybilSVP-CSO Microbiome2020-03-30Sale1,254.0$14.22
Papkoff Jacqueline SybilSVP-CSO Microbiome2019-12-13Sale1,460.0$21.0
Colonno Richard JamesEVP & CSO, Virology Ops2019-12-12Sale33,061.0$25.0
Lopatin Uri AChief Med. Off., VP Res. Dev.2018-09-06Sale336.0$40.01
Lopatin Uri AChief Med. Off., VP Res. Dev.2018-09-05Sale15,204.0$40.09
Small Derek ACEO and President2018-07-19Purchase1,200.0$41.77
Small Derek ACEO and President2018-07-19Purchase1,200.0$41.19
RINGO WILLIAM RDirector2018-07-02Sale1,000.0$38.5
RINGO WILLIAM RDirector2018-06-01Sale1,000.0$42.47
RINGO WILLIAM RDirector2018-05-01Sale1,000.0$43.06
RINGO WILLIAM RDirector2018-04-02Sale1,000.0$49.32
RINGO WILLIAM RDirector2018-03-01Sale1,000.0$56.37
RINGO WILLIAM RDirector2018-02-01Sale1,000.0$46.86
RINGO WILLIAM RDirector2018-01-02Sale1,000.0$45.04
RINGO WILLIAM RDirector2017-12-01Sale1,000.0$49.37
RINGO WILLIAM RDirector2017-11-01Sale1,000.0$29.55
RINGO WILLIAM RDirector2017-10-16Sale1,000.0$33.7
RINGO WILLIAM RDirector2017-05-12Sale3,461.0$22.0
Small Derek ACEO and President2016-02-11Purchase1,555.0$5.56
Small Derek ACEO and President2016-02-10Purchase8,445.0$5.52
ELLISON RUSSELL HChief Executive Officer2014-05-27Purchase13,000.0$0.92
ELLISON RUSSELL HChief Executive Officer2014-05-23Purchase15,000.0$0.91
BARRETT DAVID JONATHANChief Financial Officer2014-05-23Purchase1,000.0$0.88
ELLISON RUSSELL HChief Executive Officer2014-05-22Purchase5,000.0$0.9
BARRETT DAVID JONATHANChief Financial Officer2014-05-22Purchase5,980.0$0.86
ELLISON RUSSELL HChief Executive Officer2014-05-21Purchase10,000.0$0.87
BARRETT DAVID JONATHANChief Financial Officer2014-05-20Purchase40,000.0$0.88
ELLISON RUSSELL HChief Executive Officer2013-02-05Purchase5,624.0$2.59