Belsky Marc
SEC insider (Form 3/4/5 filer). CIK 0001382629. Chief Financial Officer at Kezar Life Sciences, Inc. (KZR). 15 reported Form 4/5 transactions since Sep 2024; latest on May 11, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Belsky Marc has filed insider reports for
- Kezar Life Sciences, Inc. (KZR): Officer, Chief Financial Officer
Belsky Marc
CIK: 0001382629
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Kezar Life Sciences, Inc.
Discretionary Trading P&L
Holdings
Transaction History (15 total)
- May 11, 2026KZR
Kezar Life Sciences, Inc.
Tender OfferDirect1.5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
Tender OfferIndirect200 shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
22K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
14K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
19.5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
17.8K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
29.5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
24.5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
12K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectEmployee Stock Option (right to buy)
6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Tender Offer | 1,538 | - | $0 | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Tender Offer | 200 | - | $0 | Indirect |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 21,999 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 13,999 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 19,499 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 17,793 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 29,499 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 24,500 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 12,000 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Employee Stock Option (right to buy) | 5,999 | - | - | Direct |
1-10 of 15 transactions