Barbara Gayle Duncan is of HALOZYME THERAPEUTICS, INC.. Currently has a direct ownership of 19,919 shares of HALO, which is worth approximately $1.13 Million. The most recent transaction as insider was on May 01, 2025, when has been sold 4,165 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 19.9K
26.44% 3M change
26.44% 12M change
Total Value Held $1.13 Million

Barbara Gayle Duncan Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 01 2025
BUY
Grant, award, or other acquisition
-
4,165 Added 17.29%
19,919 Common Stock
Apr 25 2024
BUY
Grant, award, or other acquisition
-
6,501 Added 29.21%
15,754 Common Stock
May 05 2023
BUY
Grant, award, or other acquisition
-
8,065 Added 46.57%
9,253 Common Stock
Feb 03 2023
BUY
Grant, award, or other acquisition
-
1,188 Added 50.0%
1,188 Common Stock

Also insider at

IMMU
IMMUNOMEDICS INC
AVIR
Atea Pharmaceuticals, Inc. Healthcare
FUSN
Fusion Pharmaceuticals Inc. Healthcare
OVID
Ovid Therapeutics Inc. Healthcare
JNCE
Jounce Therapeutics, Inc. Healthcare
ADAP
Adaptimmune Therapeutics PLC Healthcare
BGD

Barbara Gayle Duncan

Boston, MA

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