SEIDENBERG BETH C
SEC insider (Form 3/4/5 filer). CIK 0001184592. Director & 10% Owner at Latigo Biotherapeutics, Inc. (LTGO) and 4 other issuers. 22 reported Form 4/5 transactions since Sep 2024; latest on Aug 10, 2026. Located in THOUSAND OAKS, CA.
Companies SEIDENBERG BETH C has filed insider reports for
- Latigo Biotherapeutics, Inc. (LTGO): Director, 10% Owner
- Sagimet Biosciences Inc. (SGMT): Director
- Kyverna Therapeutics, Inc. (KYTX): Director
- Vera Therapeutics, Inc. (VERA): Director
- ACELYRIN, Inc. (SLRN): Director
SEIDENBERG BETH C
CIK: 0001184592
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 (22 total)
- Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect3.5M shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect2.1M shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect165.5K shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect1.5M shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect939K shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect3.5M shares- - Aug 10, 2026LTGO
Latigo Biotherapeutics, Inc.
ConversionIndirect1M shares- - Jun 12, 2026SGMT
Sagimet Biosciences Inc.
AwardDirectStock Option (Right to Buy)
39.6K shares- - May 27, 2026KYTX
Kyverna Therapeutics, Inc.
AwardDirect5.1K shares- - May 21, 2026VERA
Vera Therapeutics, Inc.
AwardDirectStock Option (right to buy)
17.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 10, 2026 |  LTGO Latigo Biotherapeutics, Inc. | Conversion | 3,464,072 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 2,066,857 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 165,519 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 1,484,401 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 938,979 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 3,547,842 | - | $0 | Indirect |
| Aug 10, 2026 | LTGO Latigo Biotherapeutics, Inc. | Conversion | 1,027,635 | - | $0 | Indirect |
| Jun 12, 2026 |  SGMT Sagimet Biosciences Inc. | Award Stock Option (Right to Buy) | 39,567 | - | - | Direct |
| May 27, 2026 |  KYTX Kyverna Therapeutics, Inc. | Award | 5,093 | - | $0 | Direct |
| May 21, 2026 |  VERA Vera Therapeutics, Inc. | Award Stock Option (right to buy) | 17,084 | - | - | Direct |
1-10 of 22 transactions