Webster Stephen W
SEC insider (Form 3/4/5 filer). CIK 0001438421. Director at NextCure, Inc. (NXTC) and 3 other issuers. 6 reported Form 4/5 transactions since Sep 2024; latest on Jun 18, 2026. Located in ARLINGTON, MA.
Companies Webster Stephen W has filed insider reports for
- NextCure, Inc. (NXTC): Director
- Cullinan Therapeutics, Inc. (CGEM): Director
- Eloxx Pharmaceuticals, Inc. (ELOX): Director
- Gritstone bio, Inc. (GRTS): Director
Webster Stephen W
CIK: 0001438421
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 (6 total)
- Jun 18, 2026NXTC
NextCure, Inc.
AwardDirectStock Option (Right to Buy)
2.3K shares- - Jun 16, 2026CGEM
Cullinan Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
25.3K shares- - Jun 8, 2026ELOX
Eloxx Pharmaceuticals, Inc.
AwardDirectStock Option (Right to Buy)
13.6K shares- - Jun 20, 2025NXTC
NextCure, Inc.
AwardDirectStock Option (Right to Buy)
18.7K shares- - Jun 12, 2025CGEM
Cullinan Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
38.5K shares- - Apr 4, 2025GRTS
Gritstone bio, Inc.
OtherDirect25K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 18, 2026 |  NXTC NextCure, Inc. | Award Stock Option (Right to Buy) | 2,340 | - | - | Direct |
| Jun 16, 2026 |  CGEM Cullinan Therapeutics, Inc. | Award Stock Option (Right to Buy) | 25,319 | - | - | Direct |
| Jun 8, 2026 |  ELOX Eloxx Pharmaceuticals, Inc. | Award Stock Option (Right to Buy) | 13,587 | - | - | Direct |
| Jun 20, 2025 | NXTC NextCure, Inc. | Award Stock Option (Right to Buy) | 18,700 | - | - | Direct |
| Jun 12, 2025 | CGEM Cullinan Therapeutics, Inc. | Award Stock Option (Right to Buy) | 38,513 | - | - | Direct |
| Apr 4, 2025 |  GRTS Gritstone bio, Inc. | Other | 25,000 | - | - | Direct |
1-6 of 6 transactions