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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in ASSEMBLY BIOSCIENCES, INC.. Get notifications about new insider transactions in ASSEMBLY BIOSCIENCES, INC. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 01 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Sell	S	4.03	4,129	16,637	53,121	57.3 K to 53.1 K (-7.21 %)
Jun 01 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Sell	S	4.03	4,129	16,637	53,121	57.3 K to 53.1 K (-7.21 %)
May 24 2021	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	4.03	15,000	60,450	15,000
May 24 2021	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	4.03	15,000	60,450	15,000
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Option Exercise	A	4.33	67,500	292,275	67,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Option Exercise	A	4.33	67,500	292,275	67,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Grant	A	0.00	11,250	0	56,250	45 K to 56.3 K (+25.00 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	Chief Scientific Of ...	Grant	A	0.00	11,250	0	56,250	45 K to 56.3 K (+25.00 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Option Exercise	A	4.33	67,500	292,275	67,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Grant	A	0.00	11,250	0	18,853	7.6 K to 18.9 K (+147.97 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Option Exercise	A	4.33	67,500	292,275	67,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Grant	A	0.00	11,250	0	18,853	7.6 K to 18.9 K (+147.97 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Russo Thomas Joseph	CFO	Option Exercise	A	4.33	67,500	292,275	67,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Russo Thomas Joseph	CFO	Grant	A	0.00	11,250	0	54,633	43.4 K to 54.6 K (+25.93 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Okazaki Jason A	Chief Legal & Busin ...	Option Exercise	A	4.33	82,500	357,225	82,500
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	Okazaki Jason A	Chief Legal & Busin ...	Grant	A	0.00	13,750	0	67,250	53.5 K to 67.3 K (+25.70 %)
Apr 02 2021	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Option Exercise	A	4.33	305,000	1,320,650	305,000
Dec 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Sell	S	6.15	1,297	7,983	37,364	38.7 K to 37.4 K (-3.35 %)
Dec 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Sell	S	6.15	1,297	7,983	37,364	38.7 K to 37.4 K (-3.35 %)
Nov 10 2020	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Sell	S	5.10	4,397	22,404	7,603	12 K to 7.6 K (-36.64 %)
Oct 21 2020	ASMB	ASSEMBLY BIOSCIENC ...	Consylman Gina	Director	Option Exercise	A	15.55	20,000	311,000	20,000
Aug 10 2020	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Sell	S	22.50	756	17,010	137,849	138.6 K to 137.8 K (-0.55 %)
Aug 10 2020	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Sell	S	21.76	11,395	247,907	138,605	150 K to 138.6 K (-7.60 %)
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Gift	G	0.00	2,000	0	17,465	19.5 K to 17.5 K (-10.27 %)
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	Mahony Susan	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	LEWIS ALAN	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	Kim Helen Susan	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	HOLUBIAK MYRON Z	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	DiMarchi Richard D	Director	Option Exercise	A	20.47	10,000	204,700	10,000
Jun 15 2020	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	20.47	10,000	204,700	10,000
May 29 2020	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	CSO, Virology	Option Exercise	A	20.52	100,000	2,052,000	100,000
May 29 2020	ASMB	ASSEMBLY BIOSCIENC ...	Delaney William E IV	CSO, Virology	Grant	A	0.00	45,000	0	45,000	0 to 45 K
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Option Exercise	A	14.45	34,000	491,300	34,000
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Sell	S	14.22	1,254	17,831	38,661	39.9 K to 38.7 K (-3.14 %)
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Grant	A	0.00	17,000	0	39,915	22.9 K to 39.9 K (+74.19 %)
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Option Exercise	A	14.45	34,000	491,300	34,000
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Sell	S	15.04	7,812	117,524	137,009	144.8 K to 137 K (-5.39 %)
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Grant	A	0.00	17,000	0	144,821	127.8 K to 144.8 K (+13.30 %)
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	Russo Thomas Joseph	CFO	Grant	A	0.00	43,383	0	43,383	0 to 43.4 K
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Option Exercise	A	14.45	100,000	1,445,000	100,000
Mar 31 2020	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Grant	A	0.00	50,000	0	150,000	100 K to 150 K (+50.00 %)
Mar 30 2020	ASMB	ASSEMBLY BIOSCIENC ...	Okazaki Jason A	Chief Legal & Busin ...	Option Exercise	A	15.05	250,000	3,762,500	250,000
Mar 30 2020	ASMB	ASSEMBLY BIOSCIENC ...	Okazaki Jason A	Chief Legal & Busin ...	Grant	A	0.00	50,000	0	52,500	2.5 K to 52.5 K (+2,000.00 %)
Jan 03 2020	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	Director	Grant	A	0.00	125,000	0	828,791	703.8 K to 828.8 K (+17.76 %)
Dec 16 2019	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Sell	S	21.00	1,460	30,662	22,915	24.4 K to 22.9 K (-5.99 %)
Dec 16 2019	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Option Exercise	M	7.03	33,061	232,419	166,939
Dec 16 2019	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Sell	S	25.00	33,061	826,578	127,821	160.9 K to 127.8 K (-20.55 %)
Dec 16 2019	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	EVP & CSO, Virology ...	Buy	M	7.03	33,061	232,419	160,882	127.8 K to 160.9 K (+25.87 %)
Nov 07 2019	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Option Exercise	A	16.11	165,000	2,658,150	165,000
Nov 07 2019	ASMB	ASSEMBLY BIOSCIENC ...	Stamm Luisa M	Chief Medical Offic ...	Grant	A	0.00	12,000	0	12,000	0 to 12 K
Oct 28 2019	ASMB	ASSEMBLY BIOSCIENC ...	Russo Thomas Joseph	CFO	Option Exercise	A	15.69	185,000	2,902,650	185,000
Oct 01 2019	ASMB	ASSEMBLY BIOSCIENC ...	Samar Michael P.	SVP, Finance and Bu ...	Option Exercise	A	9.31	5,000	46,550	5,000
Oct 01 2019	ASMB	ASSEMBLY BIOSCIENC ...	Samar Michael P.	SVP, Finance and Bu ...	Grant	A	0.00	2,500	0	20,327	17.8 K to 20.3 K (+14.02 %)
Oct 01 2019	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	SVP-CSO Microbiome	Option Exercise	A	9.31	27,500	256,025	27,500
Oct 01 2019	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Option Exercise	A	0.00	25,000	0	25,000
Aug 08 2019	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Option Exercise	A	11.86	500,000	5,930,000	500,000
Aug 08 2019	ASMB	ASSEMBLY BIOSCIENC ...	McHutchison John G	CEO and President	Grant	A	0.00	100,000	0	100,000	0 to 100 K
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	Mahony Susan	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	LEWIS ALAN	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	Kim Helen Susan	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	HOLUBIAK MYRON Z	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	DiMarchi Richard D	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	AUERBACH MARK	Director	Option Exercise	A	15.22	10,000	152,200	10,000
May 17 2019	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	15.22	10,000	152,200	10,000
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	See Remarks	Option Exercise	A	19.69	27,500	541,475	27,500
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	See Remarks	Grant	A	0.00	13,750	0	24,375	10.6 K to 24.4 K (+129.41 %)
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Option Exercise	A	19.69	32,500	639,925	32,500
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	16,250	0	126,250	110 K to 126.3 K (+14.77 %)
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	COOPER GRAHAM K	See Remarks	Option Exercise	A	19.69	35,000	689,150	35,000
Apr 02 2019	ASMB	ASSEMBLY BIOSCIENC ...	COOPER GRAHAM K	See Remarks	Grant	A	0.00	17,500	0	117,500	100 K to 117.5 K (+17.50 %)
Dec 14 2018	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	See Remarks	Option Exercise	A	24.19	21,250	514,038	21,250
Dec 14 2018	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	See Remarks	Grant	A	0.00	10,625	0	10,625	0 to 10.6 K
Dec 14 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	20,000	0	110,000	90 K to 110 K (+22.22 %)
Dec 14 2018	ASMB	ASSEMBLY BIOSCIENC ...	COOPER GRAHAM K	See Remarks	Grant	A	0.00	100,000	0	100,000	0 to 100 K
Nov 26 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	25,000	0	90,000	65 K to 90 K (+38.46 %)
Sep 07 2018	ASMB	ASSEMBLY BIOSCIENC ...	Lopatin Uri A	Chief Med. Off., VP ...	Sell	S	40.01	336	13,442	613,611	613.9 K to 613.6 K (-0.05 %)
Sep 07 2018	ASMB	ASSEMBLY BIOSCIENC ...	Lopatin Uri A	Chief Med. Off., VP ...	Sell	S	40.09	15,204	609,547	613,947	629.2 K to 613.9 K (-2.42 %)
Jul 20 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	25,000	0	65,000	40 K to 65 K (+62.50 %)
Jul 20 2018	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	CEO and President	Buy	P	41.77	1,200	50,123	669,291	668.1 K to 669.3 K (+0.18 %)
Jul 20 2018	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	CEO and President	Buy	P	41.19	1,200	49,428	668,091	666.9 K to 668.1 K (+0.18 %)
Jul 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	49,000
Jul 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	38.50	1,000	38,503	19,465	20.5 K to 19.5 K (-4.89 %)
Jul 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	50,000
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	42.47	1,000	42,470	19,465	20.5 K to 19.5 K (-4.89 %)
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	DiMarchi Richard D	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	AUERBACH MARK	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	HOLUBIAK MYRON Z	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	LEWIS ALAN	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	Kim Helen Susan	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	Mahony Susan	Director	Option Exercise	A	42.09	7,500	315,675	7,500
Jun 01 2018	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	42.09	7,500	315,675	7,500
May 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	51,000
May 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	43.06	1,000	43,060	19,465	20.5 K to 19.5 K (-4.89 %)
May 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Apr 18 2018	ASMB	ASSEMBLY BIOSCIENC ...	EcoR1 Capital Fund Qualified, ...	10% Owner	Option Exercise	P	60.00	246	14,760	1,213
Apr 17 2018	ASMB	ASSEMBLY BIOSCIENC ...	EcoR1 Capital Fund Qualified, ...	10% Owner	Option Exercise	P	60.00	967	58,020	967
Apr 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	Papkoff Jacqueline Sybil	See remarks	Option Exercise	A	46.75	106,200	4,964,850	106,200
Apr 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	52,000
Apr 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	49.32	1,000	49,320	19,465	20.5 K to 19.5 K (-4.89 %)
Apr 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Rollins Thomas E	Chief Development O ...	Option Exercise	A	49.14	7,500	368,550	7,500
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Rollins Thomas E	Chief Development O ...	Grant	A	0.00	3,750	0	3,750	0 to 3.8 K
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Lopatin Uri A	Chief Med. Off., VP ...	Option Exercise	A	49.14	15,000	737,100	15,000
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Lopatin Uri A	Chief Med. Off., VP ...	Grant	A	0.00	7,500	0	629,151	621.7 K to 629.2 K (+1.21 %)
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Option Exercise	A	49.14	30,000	1,474,200	30,000
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	15,000	0	40,000	25 K to 40 K (+60.00 %)
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	CEO and President	Option Exercise	A	49.14	65,000	3,194,100	65,000
Mar 30 2018	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	CEO and President	Grant	A	0.00	32,500	0	666,891	634.4 K to 666.9 K (+5.12 %)
Mar 12 2018	ASMB	ASSEMBLY BIOSCIENC ...	Kim Helen Susan	Director	Option Exercise	A	57.53	20,000	1,150,600	20,000
Mar 12 2018	ASMB	ASSEMBLY BIOSCIENC ...	COOPER GRAHAM K	See Remarks	Option Exercise	A	57.53	220,000	12,656,600	220,000
Mar 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	53,000
Mar 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	56.37	1,000	56,370	19,465	20.5 K to 19.5 K (-4.89 %)
Mar 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Feb 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	54,000
Feb 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	46.86	1,000	46,860	19,465	20.5 K to 19.5 K (-4.89 %)
Feb 02 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Jan 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	55,000
Jan 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	45.04	1,000	45,040	19,465	20.5 K to 19.5 K (-4.89 %)
Jan 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Jan 03 2018	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	See Remarks	Grant	A	0.00	25,000	0	25,000	0 to 25 K
Dec 18 2017	ASMB	ASSEMBLY BIOSCIENC ...	Mahony Susan	Director	Option Exercise	A	42.61	20,000	852,200	20,000
Dec 04 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	56,000
Dec 04 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	49.37	1,000	49,370	19,465	20.5 K to 19.5 K (-4.89 %)
Dec 04 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Nov 03 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	57,000
Nov 03 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	29.55	1,000	29,550	19,465	20.5 K to 19.5 K (-4.89 %)
Nov 03 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Oct 17 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	M	7.20	1,000	7,200	58,000
Oct 17 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Sell	S	33.70	1,000	33,700	19,465	20.5 K to 19.5 K (-4.89 %)
Oct 17 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Buy	M	7.20	1,000	7,200	20,465	19.5 K to 20.5 K (+5.14 %)
Oct 17 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Gift	G	0.00	1,000	0	19,465	20.5 K to 19.5 K (-4.89 %)
Jun 05 2017	ASMB	ASSEMBLY BIOSCIENC ...	AUERBACH MARK	Director	Option Exercise	A	25.96	7,500	194,700	7,500
Jun 05 2017	ASMB	ASSEMBLY BIOSCIENC ...	ALTIG ANTHONY E	Director	Option Exercise	A	25.96	7,500	194,700	7,500
Jun 05 2017	ASMB	ASSEMBLY BIOSCIENC ...	DiMarchi Richard D	Director	Option Exercise	A	25.96	7,500	194,700	7,500
Jun 05 2017	ASMB	ASSEMBLY BIOSCIENC ...	HOLUBIAK MYRON Z	Director	Option Exercise	A	25.96	7,500	194,700	7,500
Jun 05 2017	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	A	25.96	7,500	194,700	7,500
Mar 31 2017	ASMB	ASSEMBLY BIOSCIENC ...	BARRETT DAVID JONATHAN	See Remarks	Option Exercise	A	25.34	25,000	633,500	25,000
Mar 31 2017	ASMB	ASSEMBLY BIOSCIENC ...	Small Derek A	CEO, President and ...	Option Exercise	A	25.34	40,000	1,013,600	40,000
Mar 31 2017	ASMB	ASSEMBLY BIOSCIENC ...	Colonno Richard James	Chief Scientific Of ...	Option Exercise	A	25.34	30,000	760,200	30,000
Mar 31 2017	ASMB	ASSEMBLY BIOSCIENC ...	Rollins Thomas E	See Remarks	Option Exercise	A	25.34	10,000	253,400	10,000
Mar 31 2017	ASMB	ASSEMBLY BIOSCIENC ...	Lopatin Uri A	Chief Med. Off., VP ...	Option Exercise	A	25.34	12,500	316,750	12,500
Jun 03 2016	ASMB	ASSEMBLY BIOSCIENC ...	Rollins Thomas E	See Remarks	Option Exercise	A	6.36	40,263	256,073	40,263
Jun 03 2016	ASMB	ASSEMBLY BIOSCIENC ...	AUERBACH MARK	Director	Option Exercise	A	5.84	10,000	58,400	10,000
Jun 03 2016	ASMB	ASSEMBLY BIOSCIENC ...	RINGO WILLIAM R	Director	Option Exercise	A	5.84	10,000	58,400	10,000
Jun 03 2016	ASMB	ASSEMBLY BIOSCIENC ...	DiMarchi Richard D	Director	Option Exercise	A	5.84	10,000	58,400	10,000

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