Shares Held by Insiders

Fully Diluted Shares Held by Insiders

Date

Name

Buy/Sell

$ Value

# Shares

Avg. Price

Title

Executive Chairman/Interim CEO

CFO & Secretary

Exec. Chair. and Interim CEO

GT Biopharma, Inc., a clinical stage biopharmaceutical company, focuses on the development and commercialization of immuno-oncology products based on its proprietary Tri-specific Killer Engager (TriKE) fusion protein immune cell engager technology platform. It develops GTB-3550, a single-chain tri-specific recombinant fusion protein conjugate that is in Phase I clinical trial for the treatment of myelodysplastic syndromes, refractory/relapsed acute myeloid leukemia or advanced systemic mastocytosis, and CD33+ malignancies. The company is developing GTB-3650, which is in preclinical studies that target CD33 on the surface of myeloid leukemias; and GTB-5550 that is in preclinical studies for treating patients with B7-H3 positive solid tumors. GT Biopharma, Inc. has a co-development partnership agreement with Altor BioScience Corporation for the clinical development of a 161533 TriKE fusion protein for cancer therapies; and a license agreement with the Regents of the University of Minnesota to develop and commercialize cancer therapies using TriKE technology. The company was formerly known as OXIS International, Inc. and changed its name to GT Biopharma, Inc. in July 2017. GT Biopharma, Inc. was incorporated in 1965 and is based in Brisbane, California.

GT Biopharma, Inc., a clinical stage biopharmaceutical company, focuses on the development and commercialization of immuno-oncology produc...

Datesorted ascending	Name	Buy/Sell	$ Value	# Shares	Avg. Price	Title
2023-08-11	Premium	acquired	Premium	Premium	Premium	Executive Chairman/Interim CEO
2023-08-11	Premium	acquired	Premium	Premium	Premium	CFO & Secretary
2023-08-11	Premium	sold	Premium	Premium	Premium	CFO & Secretary
2023-04-11	Premium	bought	Premium	Premium	Premium	Executive Chairman/Interim CEO
2023-04-06	Premium	bought	Premium	Premium	Premium	CFO & Secretary
2022-07-15	Premium	acquired	Premium	Premium	Premium	CFO & Secretary
2022-07-15	Premium	acquired	Premium	Premium	Premium	Exec. Chair. and Interim CEO
2022-07-15	Premium	sold	Premium	Premium	Premium	CFO & Secretary
2021-02-25	Premium	acquired	Premium	Premium	Premium	-
2021-02-16	Premium	acquired	Premium	Premium	Premium	-
2021-02-16	Premium	acquired	Premium	Premium	Premium	-
2021-02-16	Premium	acquired	Premium	Premium	Premium	-
2020-12-22	Premium	bought	Premium	Premium	Premium	-
2020-12-22	Premium	sold	Premium	Premium	Premium	-
2020-12-21	Premium	sold	Premium	Premium	Premium	-
2020-12-18	Premium	sold	Premium	Premium	Premium	-
2020-12-17	Premium	sold	Premium	Premium	Premium	-
2020-12-16	Premium	sold	Premium	Premium	Premium	-
2020-12-15	Premium	sold	Premium	Premium	Premium	-
2020-12-14	Premium	sold	Premium	Premium	Premium	-
2020-12-11	Premium	sold	Premium	Premium	Premium	-
2020-11-16	Premium	bought	Premium	Premium	Premium	-
2020-06-02	Premium	sold	Premium	Premium	Premium	CEO

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