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

Overview of all insider trading transactions in GT Biopharma, Inc.. Get notifications about new insider transactions in GT Biopharma, Inc. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Dec 23 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.40	47,978	19,191	3,720,000	3.8 M to 3.7 M (-1.27 %)
Dec 23 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.34	35,722	12,145	3,767,978	3.8 M to 3.8 M (-0.94 %)
Dec 23 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.33	50,000	16,500	3,803,700	3.9 M to 3.8 M (-1.30 %)
Dec 23 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	3,853,700	3.9 M to 3.9 M (-1.28 %)
Dec 18 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	3,903,700	4 M to 3.9 M (-1.26 %)
Dec 18 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.31	50,000	15,500	3,953,700	4 M to 4 M (-1.25 %)
Dec 18 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	4,003,700	4.1 M to 4 M (-1.23 %)
Dec 18 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	4,053,700	4.1 M to 4.1 M (-1.22 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.32	50,000	16,000	4,103,700	4.2 M to 4.1 M (-1.20 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	4,153,700	4.2 M to 4.2 M (-1.19 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.30	50,000	15,000	4,203,700	4.3 M to 4.2 M (-1.18 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.29	46,300	13,427	4,253,700	4.3 M to 4.3 M (-1.08 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.29	50,000	14,500	4,300,000	4.4 M to 4.3 M (-1.15 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.28	50,000	14,000	4,350,000	4.4 M to 4.4 M (-1.14 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.26	50,000	13,000	4,400,000	4.5 M to 4.4 M (-1.12 %)
Dec 15 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W		Sell	S	0.25	50,000	12,500	4,450,000	4.5 M to 4.5 M (-1.11 %)
Jun 04 2020	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	CEO	Sell	S	0.00	4,234,320	4,234	6,500,000	10.7 M to 6.5 M (-39.45 %)
May 14 2020	OTTCBB	GT Biopharma, Inc.	Weldon Steven W	CFO	Sell	S	0.00	2,269,708	2,270	4,500,000	6.8 M to 4.5 M (-33.53 %)
Aug 16 2019	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	CEO	Grant	A	0.00	7,000,000	0	10,734,320	3.7 M to 10.7 M (+187.45 %)
Aug 16 2019	OTTCBB	GT Biopharma, Inc.	Weldon Steven W	CFO	Grant	A	0.00	4,500,000	0	6,769,707	2.3 M to 6.8 M (+198.26 %)
Mar 19 2019	OTTCBB	GT Biopharma, Inc.	Urbanski Raymond W.	CEO	Sell	S	0.00	176,980	177	1,351,918	1.5 M to 1.4 M (-11.58 %)
Feb 13 2019	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	Director	Sell	S	0.00	800,000	800	4,029,600	4.8 M to 4 M (-16.56 %)
Dec 01 2017	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	Executive Chairman	Gift	G	0.00	3,000,000	0	1,843,029	4.8 M to 1.8 M (-61.94 %)
Dec 01 2017	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	Executive Chairman	Gift	G	0.00	100,000	0	4,843,029	4.9 M to 4.8 M (-2.02 %)
Dec 01 2017	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	Executive Chairman	Gift	G	0.00	200,000	0	4,943,029	5.1 M to 4.9 M (-3.89 %)
Dec 01 2017	OTTCBB	GT Biopharma, Inc.	Cataldo Tony	Executive Chairman	Grant	A	0.00	5,129,660	0	5,143,029	13.4 K to 5.1 M (+38,369.81 %)
Dec 01 2017	OTTCBB	GT Biopharma, Inc.	Weldon Steven W	CFO	Grant	A	0.00	2,566,835	0	2,568,840	2 K to 2.6 M (+128,021.70 %)
Apr 05 2016	OTTCBB	OXIS INTERNATIONAL ...	BRISTOL INVESTMENT FUND LTD	10% Owner	Buy	J	0.00	250,000	0	463,806	213.8 K to 463.8 K (+116.93 %)
Apr 05 2016	OTTCBB	OXIS INTERNATIONAL ...	BRISTOL INVESTMENT FUND LTD	10% Owner	Sell	S	303,750.00	675,000	205,031,250,000	1,525,472	2.2 M to 1.5 M (-30.68 %)
May 30 2012	OTTCBB	OXIS INTERNATIONAL ...	Saloff David	CEO, Chairman of th ...	Option Exercise	A	0.04	26,334,193	1,053,368	27,650,684
Sep 01 2011	OTTCBB	OXIS INTERNATIONAL ...	Saloff David	Chief Executive Off ...	Option Exercise	A	0.05	538,713	28,821	1,316,491
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	DUBE ANSHUMAN	Director	Option Exercise	C	0.05	700,000	35,000	1,100,000
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	DUBE ANSHUMAN	Director	Sell	S	0.13	360,100	47,209	0	360.1 K to 0 (-100.00 %)
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	DUBE ANSHUMAN	Director	Sell	S	0.13	339,900	44,187	360,100	700 K to 360.1 K (-48.56 %)
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	DUBE ANSHUMAN	Director	Buy	C	0.05	700,000	35,000	700,000	0 to 700 K
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	Theorem Group, LLC	10% Owner	Option Exercise	C	0.05	700,000	35,000	1,100,000
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	Theorem Group, LLC	10% Owner	Sell	S	0.13	360,100	47,209	0	360.1 K to 0 (-100.00 %)
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	Theorem Group, LLC	10% Owner	Sell	S	0.13	339,900	44,187	360,100	700 K to 360.1 K (-48.56 %)
Jan 19 2011	OTTCBB	OXIS INTERNATIONAL ...	Theorem Group, LLC	10% Owner	Buy	C	0.05	700,000	35,000	700,000	0 to 700 K
Sep 02 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M		Sell	S	0.11	69,600	7,733	900,000	969.6 K to 900 K (-7.18 %)
Aug 30 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M		Sell	S	0.11	30,940	3,403	969,600	1 M to 969.6 K (-3.09 %)
Aug 30 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M		Sell	S	0.12	76,060	8,975	1,000,540	1.1 M to 1 M (-7.06 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.11	50,000	5,350	1,076,600	1.1 M to 1.1 M (-4.44 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.10	125,000	12,500	1,126,600	1.3 M to 1.1 M (-9.99 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.10	35,000	3,535	1,251,600	1.3 M to 1.3 M (-2.72 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.11	55,000	5,775	1,286,600	1.3 M to 1.3 M (-4.10 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.11	33,400	3,510	1,341,600	1.4 M to 1.3 M (-2.43 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.11	25,000	2,635	1,375,000	1.4 M to 1.4 M (-1.79 %)
Jul 12 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Secretary	Sell	S	0.11	100,000	10,600	1,400,000	1.5 M to 1.4 M (-6.67 %)
Apr 06 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.17	1,110,227	188,739	1,539,810
Apr 06 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	X	0.23	100,000	23,000	429,583
Apr 06 2010	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Grant	A	0.23	1,500,000	345,000	1,500,000	0 to 1.5 M
Nov 13 2007	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.10	5,000	500	482,187
Nov 13 2007	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Chief Operating Off ...	Option Exercise	A	0.10	5,000	500	529,583
Nov 13 2007	OTTCBB	OXIS INTERNATIONAL ...	SPOLAR MATTHEW R	Director	Option Exercise	A	0.10	5,000	500	35,000
Nov 13 2007	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.10	5,000	500	432,500
Jan 19 2007	OTTCBB	OXIS INTERNATIONAL ...	SPOLAR MATTHEW R	Director	Option Exercise	A	0.22	30,000	6,600	30,000
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Secretary	Option Exercise	A	0.20	187,500	37,500	427,500
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.20	200,000	40,000	477,187
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.20	200,000	40,000	277,187
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Grant	A	0.18	50,000	9,000	50,000	0 to 50 K
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.20	333,333	66,667	524,583
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.20	550,000	110,000	831,608
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.20	173,608	34,722	281,608
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Option Exercise	A	0.20	1,505,000	301,000	2,714,695
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Option Exercise	A	0.20	495,000	99,000	1,209,695
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Grant	A	0.18	69,444	12,500	2,404,080	2.3 M to 2.4 M (+2.97 %)
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Grant	A	0.20	500,000	100,000	2,334,636	1.8 M to 2.3 M (+27.25 %)
Nov 08 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Grant	A	0.18	347,222	62,500	1,834,636	1.5 M to 1.8 M (+23.34 %)
Oct 16 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.24	156,250	37,500	191,250
Oct 16 2006	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.24	9,787	2,349	77,187
Oct 16 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	President & CEO	Grant	A	0.20	330,769	67,477	330,769	0 to 330.8 K
Aug 02 2006	OTTCBB	OXIS INTERNATIONAL ...	CENTRON MICHAEL D	VP & CFO	Option Exercise	A	0.27	100,000	27,000	250,000
Aug 02 2006	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.27	5,000	1,350	67,400
Aug 02 2006	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	Director	Option Exercise	A	0.27	5,000	1,350	714,695
Aug 02 2006	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.27	5,000	1,350	240,000
Aug 02 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	A	0.27	5,000	1,350	35,000
May 23 2006	OTTCBB	OXIS INTERNATIONAL ...	Post Gary M	Director	Option Exercise	P	0.39	108,000	42,120	108,000
Dec 30 2005	OTTCBB	OXIS INTERNATIONAL ...	REPINE JOHN E	Director	Option Exercise	A	0.29	30,000	8,700	62,400
Dec 30 2005	OTTCBB	OXIS INTERNATIONAL ...	RODELL TIMOTHY C JR	Director	Option Exercise	A	0.29	100,000	29,000	455,237
Dec 30 2005	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	Director	Option Exercise	A	0.29	500,000	145,000	709,695
Dec 30 2005	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.29	100,000	29,000	235,000
Dec 30 2005	OTTCBB	OXIS INTERNATIONAL ...	Guillen Steven T	President & CEO	Option Exercise	A	0.29	500,000	145,000	1,100,000
Oct 07 2005	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	Interim CFO	Option Exercise	A	0.37	108,000	39,960	0
Jun 23 2005	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	Chairman & Interim ...	Option Exercise	A	0.34	5,000	1,700	101,695
Jun 23 2005	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.34	5,000	1,700	135,000
Jun 23 2005	OTTCBB	OXIS INTERNATIONAL ...	RODELL TIMOTHY C JR	Director	Option Exercise	A	0.34	5,000	1,700	355,237
Mar 02 2005	OTTCBB	OXIS INTERNATIONAL ...	Guillen Steven T	President & CEO	Option Exercise	A	0.40	100,000	40,000	1,200,000
Mar 02 2005	OTTCBB	OXIS INTERNATIONAL ...	Guillen Steven T	President & CEO	Option Exercise	A	0.40	500,000	200,000	1,100,000
Mar 02 2005	OTTCBB	OXIS INTERNATIONAL ...	Guillen Steven T	President & CEO	Grant	A	0.40	600,000	240,000	600,000	0 to 600 K
Dec 27 2004	OTTCBB	OXIS INTERNATIONAL ...	ODonnell Manus H	Acting Chief Operat ...	Option Exercise	A	0.59	100,000	59,000	100,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	HAUSMAN MARVIN S MD	Director	Option Exercise	A	0.59	50,000	29,500	85,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	BRUINSMA GOSSE B	Chairman, Acting CE ...	Option Exercise	A	0.59	100,000	59,000	135,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	BRUINSMA GOSSE B	Chairman, Acting CE ...	Option Exercise	A	0.59	100,000	59,000	135,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	FERRIS STEVEN H	Director	Option Exercise	A	0.59	50,000	29,500	85,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.59	100,000	59,000	135,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	VLAK GERARD J M	Director	Option Exercise	A	0.59	50,000	29,500	85,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	VLAK GERARD J M	Director	Option Exercise	A	0.59	50,000	29,500	85,000
Oct 13 2004	OTTCBB	OXIS INTERNATIONAL ...	RODELL TIMOTHY C JR	Director	Option Exercise	A	0.59	50,000	29,500	350,237
Jun 29 2004	OTTCBB	OXIS INTERNATIONAL ...	RODELL TIMOTHY C JR	Director	Option Exercise	A	0.57	15,000	8,550	311,237
Jun 29 2004	OTTCBB	OXIS INTERNATIONAL ...	DAVIS RICHARD A	Director	Option Exercise	A	0.57	15,000	8,550	117,147
Apr 26 2004	OTTCBB	OXIS INTERNATIONAL ...	VLAK GERARD J M	Director	Option Exercise	A	0.69	30,000	20,700	30,000
Apr 26 2004	OTTCBB	OXIS INTERNATIONAL ...	BRUINSMA GOSSE B	Director	Option Exercise	A	0.69	30,000	20,700	30,000
Apr 26 2004	OTTCBB	OXIS INTERNATIONAL ...	FERRIS STEVEN H	Director	Option Exercise	A	0.69	35,000	24,150	30,000
Apr 26 2004	OTTCBB	OXIS INTERNATIONAL ...	NEILL SYDNEY COLIN	Director	Option Exercise	A	0.69	30,000	20,700	30,000

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