Peters Jeffrey Stuart

Officer · MGNX

As of 2026-09-16, Peters Jeffrey Stuart has 25 Form 4 transactions on record across 1 company — 15 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Trades by company

MGNX · 25 trades
2026-08-19: Sale, 31,105 sh ($129K)2026-02-15: Withheld for tax, 5,147 sh ($9K)2026-02-15: Option exercise, 13,332 sh ($0)2026-02-15: Option exercise, 13,332 sh2026-02-15: Option exercise, 13,332 sh2026-02-12: Award / grant, 150,000 sh ($0)2026-02-12: Award / grant, 25,000 sh ($0)2026-02-08: Withheld for tax, 3,474 sh ($6K)2026-02-08: Option exercise, 8,999 sh ($0)2026-02-08: Option exercise, 8,999 sh2026-02-08: Option exercise, 8,999 sh2026-02-07: Withheld for tax, 2,317 sh ($4K)2026-02-07: Option exercise, 6,001 sh ($0)2026-02-07: Option exercise, 6,001 sh2026-02-07: Option exercise, 6,001 sh2025-08-15: Award / grant, 30,000 sh ($0)2025-02-15: Withheld for tax, 5,147 sh ($13K)2025-02-15: Option exercise, 13,332 sh ($0)2025-02-15: Option exercise, 13,332 sh ($0)2025-02-08: Withheld for tax, 3,475 sh ($9K)2025-02-08: Option exercise, 9,001 sh ($0)2025-02-08: Option exercise, 9,001 sh2025-02-08: Option exercise, 9,001 sh2025-02-07: Award / grant, 105,000 sh ($0)2025-02-07: Award / grant, 18,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-19MGNXSale31,105 @ $4.15$129K−100.0% of holding0Form 4
24 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-15MGNXWithheld for tax5,14731,105Form 4
2026-02-15MGNXOption exercise13,3320Form 4
2026-02-15MGNXOption exercise13,33236,252Form 4
2026-02-15MGNXOption exercise13,33236,252Form 4
2026-02-12MGNXAward / grant150,000150,000Form 4
2026-02-12MGNXAward / grant25,00025,000Form 4
2026-02-08MGNXWithheld for tax3,47422,920Form 4
2026-02-08MGNXOption exercise8,9999,000Form 4
2026-02-08MGNXOption exercise8,99926,394Form 4
2026-02-08MGNXOption exercise8,99926,394Form 4
2026-02-07MGNXWithheld for tax2,31717,395Form 4
2026-02-07MGNXOption exercise6,00111,999Form 4
2026-02-07MGNXOption exercise6,00119,712Form 4
2026-02-07MGNXOption exercise6,00119,712Form 4
2025-08-15MGNXAward / grant30,00030,000Form 4
2025-02-15MGNXWithheld for tax5,14713,711Form 4
2025-02-15MGNXOption exercise13,33218,858Form 4
2025-02-15MGNXOption exercise13,33213,332Form 4
2025-02-08MGNXWithheld for tax3,4755,526Form 4
2025-02-08MGNXOption exercise9,00117,999Form 4
2025-02-08MGNXOption exercise9,0019,001Form 4
2025-02-08MGNXOption exercise9,0019,001Form 4
2025-02-07MGNXAward / grant105,000105,000Form 4
2025-02-07MGNXAward / grant18,00018,000Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

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