GREY MICHAEL G

Director · Officer · OKUR, MIRM, SPRB

As of 2026-09-16, GREY MICHAEL G has 42 Form 4 transactions on record across 3 companies — 38 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: $349KIndirect: $0$349Kas of 2026-09-16
  • Direct $349K
  • Indirect $0
MIRMdirect1,980 sh$193K
SPRBdirect1,700 sh$92K
OKURdirect22,350 sh$64K

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

SPRB · 26 trades
2026-05-21: Award / grant, 1,700 sh ($0)2025-12-11: Disposition, 1,255 sh2025-12-11: Award / grant, 387 sh2025-12-11: Disposition, 387 sh2025-12-11: Award / grant, 1,255 sh2025-12-11: Award / grant, 1,499 sh2025-12-11: Award / grant, 133 sh2025-12-11: Disposition, 133 sh2025-12-11: Award / grant, 666 sh2025-12-11: Disposition, 666 sh2025-12-11: Award / grant, 400 sh2025-12-11: Disposition, 400 sh2025-12-11: Disposition, 133 sh2025-12-11: Award / grant, 666 sh2025-12-11: Disposition, 666 sh2025-12-11: Award / grant, 400 sh2025-12-11: Disposition, 400 sh2025-12-11: Award / grant, 387 sh2025-12-11: Disposition, 387 sh2025-12-11: Award / grant, 1,255 sh2025-12-11: Disposition, 1,255 sh2025-12-11: Award / grant, 1,499 sh2025-12-11: Disposition, 1,499 sh2025-12-11: Award / grant, 133 sh2025-12-11: Disposition, 1,499 sh2025-07-22: Award / grant, 30,000 sh ($0)
MIRM · 13 trades
2026-06-15: Award / grant, 1,980 sh ($0)2026-06-15: Award / grant, 3,772 sh ($0)2025-12-19: Sale, 50,000 sh ($3.9M)2025-12-19: Option exercise, 50,000 sh ($147K)2025-12-19: Option exercise, 50,000 sh ($0)2025-12-01: Sale, 50,000 sh ($3.7M)2025-12-01: Option exercise, 50,000 sh ($147K)2025-12-01: Option exercise, 50,000 sh ($0)2025-11-21: Sale, 50,000 sh ($3.5M)2025-11-21: Option exercise, 50,000 sh ($147K)2025-11-21: Option exercise, 50,000 sh ($0)2025-05-29: Award / grant, 6,268 sh ($0)2025-05-29: Award / grant, 3,977 sh ($0)
OKUR · 3 trades
2026-08-07: Award / grant, 22,350 sh ($0)2026-06-04: Award / grant, 7,650 sh ($0)2025-05-28: Award / grant, 7,650 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-12-19MIRMSale50,000 @ $78.00$3.9M−100.0% of holding0Form 4
2025-12-01MIRMSale50,000 @ $74.00$3.7M−100.0% of holding0Form 4
2025-11-21MIRMSale50,000 @ $70.00$3.5M−100.0% of holding0Form 4
39 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07OKURAward / grant22,35022,350Form 4
2026-06-15MIRMAward / grant1,9801,980Form 4
2026-06-15MIRMAward / grant3,7723,772Form 4
2026-06-04OKURAward / grant7,6507,650Form 4
2026-05-21SPRBAward / grant1,7001,700Form 4
2025-12-19MIRMOption exercise50,00050,000Form 4
2025-12-19MIRMOption exercise50,000181,176Form 4
2025-12-11SPRBDisposition1,2550Form 4
2025-12-11SPRBAward / grant387387Form 4
2025-12-11SPRBDisposition3870Form 4
2025-12-11SPRBAward / grant1,2551,255Form 4
2025-12-11SPRBAward / grant1,4991,499Form 4
2025-12-11SPRBAward / grant133133Form 4
2025-12-11SPRBDisposition1330Form 4
2025-12-11SPRBAward / grant666666Form 4
2025-12-11SPRBDisposition6660Form 4
2025-12-11SPRBAward / grant400400Form 4
2025-12-11SPRBDisposition4000Form 4
2025-12-11SPRBDisposition1330Form 4
2025-12-11SPRBAward / grant666666Form 4
2025-12-11SPRBDisposition6660Form 4
2025-12-11SPRBAward / grant400400Form 4
2025-12-11SPRBDisposition4000Form 4
2025-12-11SPRBAward / grant387387Form 4
2025-12-11SPRBDisposition3870Form 4
2025-12-11SPRBAward / grant1,2551,255Form 4
2025-12-11SPRBDisposition1,2550Form 4
2025-12-11SPRBAward / grant1,4991,499Form 4
2025-12-11SPRBDisposition1,4990Form 4
2025-12-11SPRBAward / grant133133Form 4
2025-12-11SPRBDisposition1,4990Form 4
2025-12-01MIRMOption exercise50,00050,000Form 4
2025-12-01MIRMOption exercise50,000231,176Form 4
2025-11-21MIRMOption exercise50,00050,000Form 4
2025-11-21MIRMOption exercise50,000281,176Form 4
2025-07-22SPRBAward / grant30,00030,000Form 4
2025-05-29MIRMAward / grant6,2686,268Form 4
2025-05-29MIRMAward / grant3,9773,977Form 4
2025-05-28OKURAward / grant7,6507,650Form 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.