Zeldin Robert K

Officer · MGTX

As of 2026-09-16, Zeldin Robert K has 25 Form 4 transactions on record across 1 company — 13 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.

Reconstructed holdings

Direct: $1.3MIndirect: $0$1.3Mas of 2026-09-16
  • Direct $1.3M
  • Indirect $0
MGTXdirect100,000 sh$1.3M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MGTX · 25 trades
2026-06-25: Award / grant, 100,000 sh ($0)2026-02-21: Withheld for tax, 2,952 sh ($22K)2026-02-21: Option exercise, 7,500 sh ($0)2026-02-21: Option exercise, 7,500 sh2026-02-21: Option exercise, 7,500 sh2026-01-17: Withheld for tax, 13,951 sh ($104K)2026-01-17: Option exercise, 35,000 sh ($0)2026-01-17: Option exercise, 35,000 sh2026-01-17: Option exercise, 35,000 sh2026-01-07: Withheld for tax, 6,729 sh ($52K)2026-01-07: Option exercise, 17,500 sh ($0)2026-01-07: Option exercise, 17,500 sh2026-01-07: Option exercise, 17,500 sh2025-04-03: Award / grant, 90,000 sh ($0)2025-02-21: Withheld for tax, 5,903 sh ($43K)2025-02-21: Option exercise, 15,000 sh ($0)2025-02-21: Option exercise, 15,000 sh2025-02-21: Option exercise, 15,000 sh2025-01-14: Withheld for tax, 15,149 sh ($87K)2025-01-14: Option exercise, 37,500 sh ($0)2025-01-14: Option exercise, 37,500 sh2025-01-14: Option exercise, 37,500 sh2025-01-07: Withheld for tax, 6,886 sh ($44K)2025-01-07: Option exercise, 17,500 sh ($0)2025-01-07: Option exercise, 17,500 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
25 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-25MGTXAward / grant100,000100,000Form 4
2026-02-21MGTXWithheld for tax2,952172,888Form 4
2026-02-21MGTXOption exercise7,5007,500Form 4
2026-02-21MGTXOption exercise7,500175,840Form 4
2026-02-21MGTXOption exercise7,500175,840Form 4
2026-01-17MGTXWithheld for tax13,951168,340Form 4
2026-01-17MGTXOption exercise35,00035,000Form 4
2026-01-17MGTXOption exercise35,000182,291Form 4
2026-01-17MGTXOption exercise35,000182,291Form 4
2026-01-07MGTXWithheld for tax6,729147,291Form 4
2026-01-07MGTXOption exercise17,5000Form 4
2026-01-07MGTXOption exercise17,500154,020Form 4
2026-01-07MGTXOption exercise17,500154,020Form 4
2025-04-03MGTXAward / grant90,00090,000Form 4
2025-02-21MGTXWithheld for tax5,903136,520Form 4
2025-02-21MGTXOption exercise15,00015,000Form 4
2025-02-21MGTXOption exercise15,000142,423Form 4
2025-02-21MGTXOption exercise15,000142,423Form 4
2025-01-14MGTXWithheld for tax15,149127,423Form 4
2025-01-14MGTXOption exercise37,5000Form 4
2025-01-14MGTXOption exercise37,500142,572Form 4
2025-01-14MGTXOption exercise37,500142,572Form 4
2025-01-07MGTXWithheld for tax6,886105,072Form 4
2025-01-07MGTXOption exercise17,50017,500Form 4
2025-01-07MGTXOption exercise17,500111,958Form 4

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

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.