STUMP DAVID C
SEC insider (Form 3/4/5 filer). CIK 0001191235. Director at REGENXBIO Inc. (RGNX) and 1 other issuer. 8 reported Form 4/5 transactions since Sep 2024; latest on May 29, 2026. Located in ROCKVILLE, MD.
Companies STUMP DAVID C has filed insider reports for
- REGENXBIO Inc. (RGNX): Director
- MACROGENICS INC (MGNX): Director
STUMP DAVID C
CIK: 0001191235
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 (8 total)
- May 29, 2026RGNX
REGENXBIO Inc.
AwardDirect9.8K shares- - May 19, 2026MGNX
MACROGENICS INC
AwardDirectRestricted Stock Unit
3.8K shares- - May 19, 2026MGNX
MACROGENICS INC
AwardDirectStock Option (right to buy)
22K shares- - May 18, 2026MGNX
MACROGENICS INC
ExerciseDirect3.8K shares- - May 30, 2025RGNX
REGENXBIO Inc.
AwardDirect7.8K shares- - May 21, 2025MGNX
MACROGENICS INC
AwardDirectRestricted Stock Unit
3.8K shares- - May 21, 2025MGNX
MACROGENICS INC
AwardDirectStock Option (right to buy)
22K shares- - May 20, 2025MGNX
MACROGENICS INC
ExerciseDirect6.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 29, 2026 |  RGNX REGENXBIO Inc. | Award | 9,807 | - | $0 | Direct |
| May 19, 2026 |  MGNX MACROGENICS INC | Award Restricted Stock Unit | 3,750 | - | - | Direct |
| May 19, 2026 | MGNX MACROGENICS INC | Award Stock Option (right to buy) | 22,000 | - | - | Direct |
| May 18, 2026 | MGNX MACROGENICS INC | Exercise | 3,750 | - | $0 | Direct |
| May 30, 2025 | RGNX REGENXBIO Inc. | Award | 7,768 | - | - | Direct |
| May 21, 2025 | MGNX MACROGENICS INC | Award Restricted Stock Unit | 3,750 | - | - | Direct |
| May 21, 2025 | MGNX MACROGENICS INC | Award Stock Option (right to buy) | 22,000 | - | - | Direct |
| May 20, 2025 | MGNX MACROGENICS INC | Exercise | 6,500 | - | - | Direct |
1-8 of 8 transactions