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Assembly Biosciences, Inc. (ASMB)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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13.15+0.35 (+2.73%)
At close: 04:00PM EDT

Insider transactions

Currency in USD
Insider purchases - Last 6 monthsSharesTrans
Purchases1,089,2629
Sales33,84114
Net shares purchased (sold)1,055,42123
Total insider shares held1.82MN/A
% net shares purchased (sold)137.50%N/A
Net institutional purchases - Prior quarter to latest quarterShares
Net shares purchased (sold)N/A
% change in institutional shares heldN/A

Insider transactions reported - last two years

InsiderTransactionTypeValueDateShares

SCHORNSTEIN ALEXANDER
Beneficial Owner of more than 10% of a Class of Security

Purchase at price 0.78 - 0.80 per share.Direct511,26418 Jan 2024645,080

SCHORNSTEIN ALEXANDER
Beneficial Owner of more than 10% of a Class of Security

Purchase at price 0.67 - 0.72 per share.Direct282,10021 Nov 2023400,000

WHITE NICOLE S
Officer

Sale at price 0.69 per share.Direct32917 Nov 2023477

OKAZAKI JASON A
Chief Executive Officer

Sale at price 0.80 per share.Direct1,87903 Oct 20232,363

DELANEY WILLIAM E IV
Officer

Sale at price 0.80 per share.Direct1,50403 Oct 20231,891

WHITE NICOLE S
Officer

Sale at price 0.80 per share.Direct1,50403 Oct 20231,891

OKAZAKI JASON A
Chief Executive Officer

Direct02 Oct 202312,500

DELANEY WILLIAM E IV
Officer

Direct02 Oct 202310,000

WHITE NICOLE S
Officer

Direct02 Oct 202310,000

OKAZAKI JASON A
Chief Executive Officer

Sale at price 1.09 per share.Direct12,86702 Aug 202311,827

DELANEY WILLIAM E IV
Officer

Sale at price 1.09 per share.Direct10,29302 Aug 20239,461

BJORKQUIST JEANETTE M
Officer

Sale at price 1.07 per share.Direct90024 July 2023844

OKAZAKI JASON A
Chief Executive Officer

Direct22 June 202350,000

DELANEY WILLIAM E IV
Officer

Direct22 June 202340,000

DELANEY WILLIAM E IV
Officer

Sale at price 0.96 per share.Direct4,04630 May 20234,232

MCHUTCHISON JOHN G
Director

Sale at price 1.04 per share.Direct27,01923 May 202325,972

OKAZAKI JASON A
Chief Executive Officer

Sale at price 1.04 per share.Direct6,82523 May 20236,561

DELANEY WILLIAM E IV
Officer

Sale at price 1.04 per share.Direct6,82523 May 20236,561

BJORKQUIST JEANETTE M
Officer

Sale at price 1.04 per share.Direct28523 May 2023274

MCHUTCHISON JOHN G
Director

Direct22 May 2023117,500

OKAZAKI JASON A
Chief Executive Officer

Direct22 May 202335,000

DELANEY WILLIAM E IV
Officer

Direct22 May 202335,000

BJORKQUIST JEANETTE M
Officer

Direct22 May 20231,500

MCHUTCHISON JOHN G
Director

Sale at price 0.82 per share.Direct12,25230 Mar 202314,883

OKAZAKI JASON A
Chief Executive Officer

Sale at price 0.82 per share.Direct3,49630 Mar 20234,247

DELANEY WILLIAM E IV
Officer

Sale at price 0.82 per share.Direct2,81630 Mar 20233,421

BJORKQUIST JEANETTE M
Officer

Sale at price 0.82 per share.Direct63730 Mar 2023774

BJORKQUIST JEANETTE M
Officer

Direct29 Mar 20236,250

OKAZAKI JASON A
Chief Executive Officer

Sale at price 1.02 per share.Direct4,78527 Mar 20234,693

OKAZAKI JASON A
Chief Executive Officer

Direct16 Feb 202312,500

DELANEY WILLIAM E IV
Officer

Direct16 Feb 202310,000

MCHUTCHISON JOHN G
Chief Executive Officer

Sale at price 2.13 per share.Direct26,20008 Aug 202212,314

SAMAR MICHAEL P
Chief Financial Officer

Sale at price 2.22 per share.Direct4,47925 July 20222,020

DELANEY WILLIAM E IV
Officer

Sale at price 1.92 per share.Direct8,00531 May 20224,164

MCHUTCHISON JOHN G
Chief Executive Officer

Sale at price 2.17 per share.Direct10,00030 Mar 20224,614

SAMAR MICHAEL P
Chief Financial Officer

Sale at price 2.17 per share.Direct4,95330 Mar 20222,285

STAMM LUISA M
Officer

Sale at price 2.17 per share.Direct2,25030 Mar 20221,038

OKAZAKI JASON A
Chief Operating Officer

Sale at price 2.17 per share.Direct2,75030 Mar 20221,269

DELANEY WILLIAM E IV
Officer

Sale at price 2.17 per share.Direct2,25030 Mar 20221,038

MCHUTCHISON JOHN G
Chief Executive Officer

Direct29 Mar 202283,750

SAMAR MICHAEL P
Chief Financial Officer

Direct29 Mar 202226,250

STAMM LUISA M
Officer

Direct29 Mar 202222,500

OKAZAKI JASON A
Chief Operating Officer

Direct29 Mar 202231,250

DELANEY WILLIAM E IV
Officer

Direct29 Mar 202225,000

OKAZAKI JASON A
Chief Operating Officer

Sale at price 2.24 per share.Direct10,36328 Mar 20224,617

MCHUTCHISON JOHN G
Chief Executive Officer

Sale at price 3.60 per share.Direct43,78109 Aug 202112,156

SAMAR MICHAEL P
Officer

Direct22 July 202110,938

DELANEY WILLIAM E IV
Officer

Sale at price 4.03 per share.Direct16,63727 May 20214,129

RUSSO THOMAS JOSEPH
Chief Financial Officer

Direct29 Mar 202111,250

STAMM LUISA M
Officer

Direct29 Mar 202111,250

OKAZAKI JASON A
Officer

Direct29 Mar 202113,750

DELANEY WILLIAM E IV
Officer

Direct29 Mar 202111,250

PAPKOFF JACQUELINE SYBIL
Officer

Sale at price 6.15 per share.Direct7,98314 Dec 20201,297

STAMM LUISA M
Officer

Sale at price 5.10 per share.Direct22,40409 Nov 20204,397

MCHUTCHISON JOHN G
Chief Executive Officer

Sale at price 21.76 - 22.50 per share.Direct264,91707 Aug 202012,151

DELANEY WILLIAM E IV
Officer

Direct27 May 202045,000

COLONNO RICHARD JAMES PH.D.
Officer

Sale at price 15.04 per share.Direct117,52431 Mar 20207,812

PAPKOFF JACQUELINE SYBIL
Officer

Sale at price 14.22 per share.Direct17,83130 Mar 20201,254

COLONNO RICHARD JAMES PH.D.
Officer

Direct27 Mar 202017,000

PAPKOFF JACQUELINE SYBIL
Officer

Direct27 Mar 202017,000

MCHUTCHISON JOHN G
Chief Executive Officer

Direct27 Mar 202050,000

RUSSO THOMAS JOSEPH
Chief Financial Officer

Direct27 Mar 202043,383

OKAZAKI JASON A
Officer

Direct26 Mar 202050,000

RINGO WILLIAM R JR
Director

Direct28 Feb 20202,000

SMALL DEREK A
Director

Direct02 Jan 2020125,000

PAPKOFF JACQUELINE SYBIL
Officer

Sale at price 21.00 per share.Direct30,66213 Dec 20191,460

COLONNO RICHARD JAMES PH.D.
Officer

Sale at price 25.00 per share.Direct826,57812 Dec 201933,061

COLONNO RICHARD JAMES PH.D.
Officer

Conversion of Exercise of derivative security at price 7.03 per share.Direct232,41912 Dec 201933,061

STAMM LUISA M
Officer

Direct06 Nov 201912,000

SAMAR MICHAEL P
Officer

Direct01 Oct 20192,500

MCHUTCHISON JOHN G
Chief Executive Officer

Direct06 Aug 2019100,000

COOPER GRAHAM K
Chief Operating Officer

Direct29 Mar 201917,500

SMALL DEREK A
Chief Executive Officer

Direct29 Mar 201932,500

LOPATIN URI A
Officer

Direct29 Mar 201913,750

COLONNO RICHARD JAMES PH.D.
Officer

Direct29 Mar 201916,250

PAPKOFF JACQUELINE SYBIL
Officer

Direct29 Mar 201913,750

COOPER GRAHAM K
Chief Operating Officer

Direct12 Dec 2018100,000

COLONNO RICHARD JAMES PH.D.
Officer

Direct12 Dec 201820,000

PAPKOFF JACQUELINE SYBIL
Officer

Direct12 Dec 201810,625

COLONNO RICHARD JAMES PH.D.
Officer

Direct23 Nov 201825,000

LOPATIN URI A
Officer

Sale at price 40.01 - 40.09 per share.Direct622,98906 Sept 201815,540

COLONNO RICHARD JAMES PH.D.
Officer

Direct20 July 201825,000

SMALL DEREK A
Chief Executive Officer

Purchase at price 41.19 - 41.77 per share.Direct99,55119 July 20182,400

RINGO WILLIAM R JR
Director

Sale at price 38.50 per share.Direct38,50302 July 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20002 July 20181,000

RINGO WILLIAM R JR
Director

Sale at price 42.47 per share.Direct42,47001 June 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 June 20181,000

RINGO WILLIAM R JR
Director

Sale at price 43.06 per share.Direct43,06001 May 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 May 20181,000

RINGO WILLIAM R JR
Director

Sale at price 49.32 per share.Direct49,32002 Apr 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20002 Apr 20181,000

SMALL DEREK A
Chief Executive Officer

Direct29 Mar 201832,500

LOPATIN URI A
Officer

Direct29 Mar 20187,500

COLONNO RICHARD JAMES PH.D.
Officer

Direct29 Mar 201815,000

ROLLINS THOMAS E
Officer

Direct29 Mar 20183,750

RINGO WILLIAM R JR
Director

Sale at price 56.37 per share.Direct56,37001 Mar 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 Mar 20181,000

RINGO WILLIAM R JR
Director

Sale at price 46.86 per share.Direct46,86001 Feb 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 Feb 20181,000

RINGO WILLIAM R JR
Director

Sale at price 45.04 per share.Direct45,04002 Jan 20181,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20002 Jan 20181,000

COLONNO RICHARD JAMES PH.D.
Officer

Direct29 Dec 201725,000

RINGO WILLIAM R JR
Director

Sale at price 49.37 per share.Direct49,37001 Dec 20171,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 Dec 20171,000

RINGO WILLIAM R JR
Director

Sale at price 29.55 per share.Direct29,55001 Nov 20171,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20001 Nov 20171,000

RINGO WILLIAM R JR
Director

Sale at price 33.70 per share.Direct33,70016 Oct 20171,000

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct7,20016 Oct 20171,000

RINGO WILLIAM R JR
Director

Direct23 June 20171,000

RINGO WILLIAM R JR
Director

Sale at price 22.00 per share.Indirect76,14212 May 20173,461

RINGO WILLIAM R JR
Director

Direct10 May 20173,461

RINGO WILLIAM R JR
Director

Conversion of Exercise of derivative security at price 7.20 per share.Direct36,00010 May 20175,000

SMALL DEREK A
Chief Executive Officer

Purchase at price 5.52 - 5.56 per share.Direct55,28111 Feb 201610,000

BARRETT DAVID JONATHAN
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct011 July 201410,000

BARRETT DAVID JONATHAN
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct011 July 201410,000

ELLISON RUSSELL H
Director

Stock Award(Grant) at price 0.00 per share.Direct011 July 201410,000

ELLISON RUSSELL H
Chief Executive Officer

Purchase at price 0.92 per share.Direct11,96027 May 201413,000

BARRETT DAVID JONATHAN
Chief Financial Officer

Purchase at price 0.86 - 0.88 per share.Direct6,02323 May 20146,980

ELLISON RUSSELL H
Chief Executive Officer

Purchase at price 0.90 - 0.91 per share.Direct18,10423 May 201420,000

ALTIG ANTHONY E
Director

Stock Award(Grant) at price 0.88 per share.Direct21,90021 May 201425,000

ELLISON RUSSELL H
Chief Executive Officer

Purchase at price 0.87 per share.Direct8,69821 May 201410,000

BARRETT DAVID JONATHAN
Chief Financial Officer

Purchase at price 0.88 per share.Direct35,20020 May 201440,000

ALTIG ANTHONY E
Director

Stock Award(Grant) at price 3.00 per share.Direct45,00020 Mar 201315,000

ELLISON RUSSELL H
Chief Executive Officer

Purchase at price 2.52 - 2.59 per share.Direct38,19405 Feb 201315,000