Jeffrey Stuart Peters
CIK: 0001706903
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)
MACROGENICS INC
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Aug 19, 2026MGNX
MACROGENICS INC
Sale(S)Direct31.1K shares at avg. $4.15$129K - Feb 15, 2026MGNX
MACROGENICS INC
Exercise(M)Direct13.3K shares- - Feb 15, 2026MGNX
MACROGENICS INC
Tax Payment(F)Direct5.1K shares at avg. $1.71$9K - Feb 12, 2026MGNX
MACROGENICS INC
Award(A)DirectRestricted Stock Unit
25K shares- - Feb 12, 2026MGNX
MACROGENICS INC
Award(A)DirectEmployee Stock Option (right to buy)
150K shares- - Feb 8, 2026MGNX
MACROGENICS INC
Exercise(M)Direct9K shares- - Feb 8, 2026MGNX
MACROGENICS INC
Tax Payment(F)Direct3.5K shares at avg. $1.81$6K - Feb 7, 2026MGNX
MACROGENICS INC
Exercise(M)Direct6K shares- - Feb 7, 2026MGNX
MACROGENICS INC
Tax Payment(F)Direct2.3K shares at avg. $1.81$4K - Aug 15, 2025MGNX
MACROGENICS INC
Award(A)DirectEmployee Stock Option (right to buy)
30K shares- - Feb 15, 2025MGNX
MACROGENICS INC
Tax Payment(F)Direct5.1K shares at avg. $2.56$13K - Feb 15, 2025MGNX
MACROGENICS INC
Exercise(M)Direct13.3K shares- - Feb 8, 2025MGNX
MACROGENICS INC
Tax Payment(F)Direct3.5K shares at avg. $2.60$9K - Feb 8, 2025MGNX
MACROGENICS INC
Exercise(M)Direct9K shares- - Feb 7, 2025MGNX
MACROGENICS INC
Award(A)DirectEmployee Stock Option (right to buy)
105K shares- - Feb 7, 2025MGNX
MACROGENICS INC
Award(A)DirectRestricted Stock Unit
18K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 19, 2026 | MGNX MACROGENICS INC | Sale(S) | 31,105 | $4.15 | $129,086 | Direct |
| Feb 15, 2026 | MGNX MACROGENICS INC | Exercise(M) | 13,332 | - | $0 | Direct |
| Feb 15, 2026 | MGNX MACROGENICS INC | Tax Payment(F) | 5,147 | $1.71 | $8,801 | Direct |
| Feb 12, 2026 | MGNX MACROGENICS INC | Award(A) Restricted Stock Unit | 25,000 | - | - | Direct |
| Feb 12, 2026 | MGNX MACROGENICS INC | Award(A) Employee Stock Option (right to buy) | 150,000 | - | - | Direct |
| Feb 8, 2026 | MGNX MACROGENICS INC | Exercise(M) | 8,999 | - | $0 | Direct |
| Feb 8, 2026 | MGNX MACROGENICS INC | Tax Payment(F) | 3,474 | $1.81 | $6,288 | Direct |
| Feb 7, 2026 | MGNX MACROGENICS INC | Exercise(M) | 6,001 | - | $0 | Direct |
| Feb 7, 2026 | MGNX MACROGENICS INC | Tax Payment(F) | 2,317 | $1.81 | $4,194 | Direct |
| Aug 15, 2025 | MGNX MACROGENICS INC | Award(A) Employee Stock Option (right to buy) | 30,000 | - | - | Direct |
| Feb 15, 2025 | MGNX MACROGENICS INC | Tax Payment(F) | 5,147 | $2.56 | $13,176 | Direct |
| Feb 15, 2025 | MGNX MACROGENICS INC | Exercise(M) | 13,332 | - | - | Direct |
| Feb 8, 2025 | MGNX MACROGENICS INC | Tax Payment(F) | 3,475 | $2.60 | $9,035 | Direct |
| Feb 8, 2025 | MGNX MACROGENICS INC | Exercise(M) | 9,001 | - | - | Direct |
| Feb 7, 2025 | MGNX MACROGENICS INC | Award(A) Employee Stock Option (right to buy) | 105,000 | - | - | Direct |
| Feb 7, 2025 | MGNX MACROGENICS INC | Award(A) Restricted Stock Unit | 18,000 | - | - | Direct |
1-16 of 16 transactions
About Peters Jeffrey Stuart
Peters Jeffrey Stuart (SEC CIK 0001706903) files insider reports with the SEC as Senior VP, GC, and Secretary of MACROGENICS INC (MGNX).
Signal8 holds 6 ownership filings by Peters Jeffrey Stuart, all Form 4s, filed between Feb 11, 2025 and Aug 20, 2026. Those filings report 16 transactions, from Feb 7, 2025 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Peters Jeffrey Stuart's filings is in ROCKVILLE, MD.
Recent filings by Peters Jeffrey Stuart
- Aug 19, 2026: Open-market sale of MGNX shares (Form 4, code S).
- Feb 15, 2026: Option exercise of MGNX shares (Form 4, code M).
- Feb 15, 2026: Tax withholding of MGNX shares (Form 4, code F).
- Feb 12, 2026: Grants or awards of MGNX derivative securities (2 lines, Form 4, code A).
- Feb 8, 2026: Option exercise of MGNX shares (Form 4, code M).
Other insiders filing for MACROGENICS INC (MGNX)
- VASCONCELLES MICHAEL, Director
- Kuriakose Emil, Director
- Bonvini Ezio, Sr VP, Research & CSO
- O'Brien Federica F., Director
- Jackson Scott Thomas, Director
- HEIDEN WILLIAM K, Director