Kezar Life Sciences, Inc. (KZR) Insider Ownership

Historic Insider Ownership Trends

KZR's three largest insider shareholders as of March 23, 2026 are Venture Investments Ltd Morningside (TenPercentOwner, 1.95Mn shares), Christopher J. Kirk (Director, 431.35K shares), John Franklin Fowler (Ceo, 393.90K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Venture Investments Ltd Morningside 1,947,993 0 17 Aug, 2023
Christopher J. Kirk 431,348 0 24 Jul, 2023
John Franklin Fowler Ceo 393,904 0 14 Nov, 2022
Mark C. Schiller Chief Operating Officer 2,739 0 03 Jul, 2025
Pichi Luo Chiang Svp, Corporate Controller 2,711 0 03 Jul, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Jul, 2025 Pichi Luo Chiang Common Stock D 264 $4.28 2,711 D S
02 Jul, 2025 Mark C. Schiller Common Stock D 561 $4.28 2,739 D S
01 Jul, 2025 Zung Phuong To Employee Stock Option (right to buy) A 7,000 $0.00 7,000 D A
18 Jun, 2025 Elizabeth Garner Stock Option (right to buy) A 5,000 $0.00 5,000 D A
18 Jun, 2025 Micki Klearman Stock Option (right to buy) A 5,000 $0.00 5,000 D A
18 Jun, 2025 John Franklin Fowler Stock Option (right to buy) A 5,000 $0.00 5,000 D A
18 Jun, 2025 Courtney Wallace Stock Option (right to buy) A 5,000 $0.00 5,000 D A
27 Mar, 2025 Mark C. Schiller Employee Stock Option (right to buy) A 4,800 $0.00 12,000 D A
04 Mar, 2025 Mark C. Schiller Employee Stock Option (right to buy) A 7,200 $0.00 7,200 D A
14 Feb, 2025 John Franklin Fowler Stock Option (right to buy) A 5,000 $0.00 5,000 D A
09 Jan, 2025 Mark C. Schiller Employee Stock Option (right to buy) A 24,500 $0.00 24,500 D A
09 Jan, 2025 Christopher J. Kirk Employee Stock Option (right to buy) A 120,000 $0.00 120,000 D A
02 Jul, 2024 Mark C. Schiller Common Stock D 6,688 $0.58 33,007 D S
20 Jun, 2024 Micki Klearman Stock Option (right to buy) A 50,000 $0.00 50,000 D A
20 Jun, 2024 Courtney Wallace Stock Option (right to buy) A 50,000 $0.00 50,000 D A
20 Jun, 2024 Elizabeth Garner Stock Option (right to buy) A 50,000 $0.00 50,000 D A
07 Jan, 2024 Nicholas Michael Mordwinkin Employee Stock Option (right to buy) A 275,000 $0.00 275,000 D A
08 Nov, 2023 Christopher J. Kirk Employee Stock Option (right to buy) A 875,000 $0.00 875,000 D A
15 Aug, 2023 Venture Investments Ltd Morningside Common Stock D 3,500,000 $0.00 1,947,993 D G
24 Jul, 2023 Noreen Henig Employee Stock Option (right to buy) D 300,000 - 0 D D