Kauffman Michael
SEC insider (Form 3/4/5 filer). CIK 0001364719. Director at KYNTRA BIO, INC. (KYNB) and 2 other issuers. 16 reported Form 4/5 transactions since Sep 2024; latest on Jun 12, 2026. Located in SAN FRANCISCO, CA.
Companies Kauffman Michael has filed insider reports for
- KYNTRA BIO, INC. (KYNB): Director
- Kezar Life Sciences, Inc. (KZR): Director
- Verastem, Inc. (VSTM): Director, Officer, President of Development
Kauffman Michael
CIK: 0001364719
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Jun 12, 2026KYNB
KYNTRA BIO, INC.
AwardDirectStock Option (Right to Buy)
7K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
Tender OfferDirect6.4K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
2.6K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
2.6K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
389 shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
3.5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
5K shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
889 shares- - May 11, 2026KZR
Kezar Life Sciences, Inc.
DispositionDirectStock Option (right to buy)
889 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 12, 2026 |  KYNB KYNTRA BIO, INC. | Award Stock Option (Right to Buy) | 7,000 | - | - | Direct |
| May 11, 2026 |  KZR Kezar Life Sciences, Inc. | Tender Offer | 6,369 | - | $0 | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 2,600 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 2,600 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 389 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 3,500 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 5,000 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 5,000 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 889 | - | - | Direct |
| May 11, 2026 | KZR Kezar Life Sciences, Inc. | Disposition Stock Option (right to buy) | 889 | - | - | Direct |
1-10 of 16 transactions