GTBP Insider Holders & Insider Ownership

List of insiders holdings for GT Biopharma Inc.:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Holder Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
Saloff David CEO, Chairman of the Board	2012-05-30 16:58:12	27,650,684 0	27,650,684	Form 4
Clarence-Smith Kathleen CEO 10% Owner	2017-12-01 17:25:39	8,505,633 0	8,505,633	Form 3
Silverman Mark J 10% Owner	2017-12-01 19:29:24	8,172,079 0	8,172,079	Form 13G
Cataldo Tony CEO 10% Owner	2020-06-04 17:15:28	6,500,000 0	6,500,000	Form 4
Weldon Steven W Former Officer and Director Director	2020-12-23 16:24:42	3,720,000 0	3,720,000	Form 4
Theorem Group LLC 10% Owner	2017-11-14 10:15:23	3,540,130 0	3,540,130	Form 13G
HAUSMAN MARVIN S MD President & CEO	2008-02-08 12:44:25	2,344,080 0	2,344,080	Form 5
Landes Bernard President	2010-03-22 19:39:47	2,220,453 0	2,220,453	Form 3
ROGERS RAY R CEO/Chairman of the Board	2003-12-11 15:10:19	1,827,988 0	1,827,988	Form 4/A
Urbanski Raymond W. CEO	2019-03-19 14:38:04	1,351,918 0	1,351,918	Form 4
Guillen Steven T President & CEO	2005-12-30 17:18:50	1,100,000 0	1,100,000	Form 4
Post Gary M Former Director and Secretary	2010-09-02 18:05:28	900,000 0	900,000	Form 4
ELLIS SHARON Chief Operational & Financial	2003-12-11 19:30:58	885,000 0	885,000	Form 4
Breen Michael Martin Executive Chairman/Interim CEO	2023-08-15 19:29:58	856,218 0	856,218	Form 4
Ohri Manu CFO & Secretary	2023-08-15 19:26:31	200,000 550,000	750,000	Form 4
Wendel Bruce Director	2023-02-01 06:01:27	500,000 0	500,000	Form 4
SHROTRIYA RAJESH C MD Director	2023-02-01 06:02:39	500,000 0	500,000	Form 4
CASAMENTO CHARLES J Director	2023-06-21 19:58:43	500,000 0	500,000	Form 4
REPINE JOHN E Director	2007-11-13 14:48:31	482,187 0	482,187	Form 4
RODELL TIMOTHY C JR Director	2005-12-30 17:24:28	455,237 0	455,237	Form 4
WOLF THOMAS M Director	2003-12-30 12:03:21	433,626 0	433,626	Form 4
NEILL SYDNEY COLIN Director	2007-11-13 14:31:02	432,500 0	432,500	Form 4
Handelman Michael D Chief Financial Officer	2010-03-22 19:52:13	250,000 0	250,000	Form 3
Eaton Kenneth Haynes Director	2011-07-07 19:20:21	250,000 0	250,000	Form 3
DUBE ANSHUMAN Director	2011-05-24 19:50:44	0 250,000	250,000	Form 4
HOOG THOMAS W Director	2011-02-08 15:46:30	250,000 0	250,000	Form 3
CENTRON MICHAEL D VP & CFO	2006-08-02 19:02:01	250,000 0	250,000	Form 4
Choy Gavin Acting Chief Financial Officer	2022-02-14 16:09:22	227,500 0	227,500	Form 4
BRISTOL INVESTMENT FUND LTD BRISTOL CAPITAL LLC 10% Owner	2024-05-23 20:31:08	190,000 0	190,000	Form 13G
BRISTOL INVESTMENT FUND LTD 10% Owner	2024-05-23 20:31:08	190,000 0	190,000	Form 13G
BRUINSMA GOSSE B Chairman, Acting CEO	2004-10-13 17:46:27	135,000 0	135,000	Form 4
DAVIS RICHARD A Director	2004-06-30 11:48:00	107,147 0	107,147	Form 4/A
ODonnell Manus H Acting Chief Operating Officer	2004-12-27 16:37:45	100,000 0	100,000	Form 4
PRYOR WILLIAM G Director	2003-12-08 21:30:58	87,602 0	87,602	Form 4
FERRIS STEVEN H Director	2004-10-13 17:45:32	85,000 0	85,000	Form 4
VLAK GERARD J M Director	2004-10-13 17:44:01	85,000 0	85,000	Form 4
Berk Gregory Pres. of R&D, CMO	2022-07-19 21:44:55	50,000 0	50,000	Form 4
SPOLAR MATTHEW R Director	2007-11-13 14:36:37	35,000 0	35,000	Form 4
WEBB TED FORD Director	2003-12-09 15:07:03	31,754 0	31,754	Form 4/A
URBAN ALAN LOUIS Chief Financial Officer	2024-10-21 21:13:40	23,335 0	23,335	Form 4
Cross Shawn Chief Executive Officer	2018-03-16 17:14:20	0 0	0	Form 3
AXONYX INC HAUSMAN MARVIN S MD 10% Owner	2008-10-03 20:29:42	0 0	0	Form 13D

Insider Holders & Insider Ownership - GT Biopharma Inc. (GTBP)