Alton Gregg H

Director · NVAX, CORT

As of 2026-09-16, Alton Gregg H has 15 Form 4 transactions on record across 2 companies — 6 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: $1.8MIndirect: $0$1.8Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $0
CORTdirect12,500 sh$1.4M
NVAXdirect47,685 sh$446K

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

NVAX · 13 trades
2026-06-20: Option exercise, 18,880 sh ($0)2026-06-20: Option exercise, 18,880 sh2026-06-20: Option exercise, 18,880 sh2026-06-18: Award / grant, 14,180 sh ($0)2026-06-18: Award / grant, 21,270 sh ($0)2025-06-20: Award / grant, 28,326 sh ($182K)2025-06-20: Award / grant, 18,884 sh ($0)2025-06-12: Option exercise, 10,420 sh ($0)2025-06-12: Option exercise, 10,420 sh ($0)2024-12-31: Award / grant, 1,982 sh ($17K)2024-09-30: Award / grant, 1,311 sh ($17K)2024-06-30: Award / grant, 1,202 sh ($17K)2024-03-31: Award / grant, 3,420 sh ($17K)
CORT · 2 trades
2026-05-21: Award / grant, 12,500 sh ($0)2025-06-10: Award / grant, 15,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
15 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-20NVAXOption exercise18,8800Form 4
2026-06-20NVAXOption exercise18,88047,685Form 4
2026-06-20NVAXOption exercise18,88047,685Form 4
2026-06-18NVAXAward / grant14,18014,180Form 4
2026-06-18NVAXAward / grant21,27021,270Form 4
2026-05-21CORTAward / grant12,50012,500Form 4
2025-06-20NVAXAward / grant28,32628,326Form 4
2025-06-20NVAXAward / grant18,88418,884Form 4
2025-06-12NVAXOption exercise10,4200Form 4
2025-06-12NVAXOption exercise10,42028,805Form 4
2025-06-10CORTAward / grant15,00015,000Form 4
2024-12-31NVAXAward / grant1,98218,385Form 4
2024-09-30NVAXAward / grant1,31116,403Form 4
2024-06-30NVAXAward / grant1,20215,092Form 4
2024-03-31NVAXAward / grant3,4207,220Form 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.