HORNBUCKLE WILLIAM

Director · Officer · MTN, GBFH, MGM

As of 2026-09-16, HORNBUCKLE WILLIAM has 38 Form 4 transactions on record across 3 companies — 30 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: $588KIndirect: $5.9M$6.5Mas of 2026-09-16
  • Direct $588K
  • Indirect $5.9M
GBFHindirect300,085 sh$5.9M
GBFHdirect28,184 sh$553K
MTNdirect249 sh$35K

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

MGM · 30 trades
2026-02-24: Withheld for tax, 2,094 sh ($73K)2026-02-24: Option exercise, 5,657 sh ($0)2026-02-24: Option exercise, 5,657 sh ($0)2026-02-23: Withheld for tax, 1,471 sh ($50K)2026-02-23: Option exercise, 6,683 sh ($0)2026-02-23: Option exercise, 6,683 sh ($0)2025-10-07: Withheld for tax, 12,766 sh ($423K)2025-10-07: Option exercise, 32,441 sh ($0)2025-10-07: Option exercise, 32,441 sh ($0)2025-10-06: Award / grant, 147,406 sh ($0)2025-10-04: Withheld for tax, 7,076 sh ($240K)2025-10-04: Option exercise, 17,980 sh ($0)2025-10-04: Option exercise, 17,980 sh ($0)2025-10-03: Withheld for tax, 31,806 sh ($1.1M)2025-10-03: Withheld for tax, 23,526 sh ($798K)2025-10-03: Withheld for tax, 12,857 sh ($436K)2025-10-03: Award / grant, 80,826 sh ($0)2025-10-03: Award / grant, 59,784 sh ($0)2025-10-03: Option exercise, 32,671 sh ($0)2025-10-03: Option exercise, 32,671 sh ($0)2025-10-02: Withheld for tax, 10,697 sh ($372K)2025-10-02: Option exercise, 27,182 sh ($0)2025-10-02: Option exercise, 27,182 sh ($0)2025-02-24: Withheld for tax, 1,246 sh ($45K)2025-02-24: Option exercise, 5,658 sh ($0)2025-02-24: Option exercise, 5,658 sh ($0)2025-02-23: Withheld for tax, 1,471 sh ($53K)2025-02-23: Option exercise, 6,683 sh ($0)2025-02-23: Option exercise, 6,683 sh ($0)2024-12-20: Gift, 50,000 sh ($0)
GBFH · 7 trades
2026-07-07: Award / grant, 309 sh ($8K)2026-07-07: Award / grant, 262 sh ($8K)2026-01-06: Award / grant, 178 sh ($6K)2025-12-18: Award / grant, 1,100 sh ($0)2025-12-05: Gift, 100,000 sh ($0)2025-10-01: Award / grant, 148 sh ($6K)2025-07-02: Award / grant, 201 sh ($0)
MTN · 1 trade
2026-08-03: Award / grant, 249 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
38 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03MTNAward / grant249249Form 4
2026-07-07GBFHAward / grant30927,922Form 4
2026-07-07GBFHAward / grant26228,184Form 4
2026-02-24MGMWithheld for tax2,094605,073Form 4
2026-02-24MGMOption exercise5,6570Form 4
2026-02-24MGMOption exercise5,657607,167Form 4
2026-02-23MGMWithheld for tax1,471601,510Form 4
2026-02-23MGMOption exercise6,683602,981Form 4
2026-02-23MGMOption exercise6,6836,683Form 4
2026-01-06GBFHAward / grant17827,613Form 4
2025-12-18GBFHAward / grant1,10027,435Form 4
2025-12-05GBFHGift100,000300,085Form 4
2025-10-07MGMWithheld for tax12,766596,298Form 4
2025-10-07MGMOption exercise32,44164,883Form 4
2025-10-07MGMOption exercise32,441609,064Form 4
2025-10-06MGMAward / grant147,406147,406Form 4
2025-10-04MGMWithheld for tax7,076576,623Form 4
2025-10-04MGMOption exercise17,980583,699Form 4
2025-10-04MGMOption exercise17,9800Form 4
2025-10-03MGMWithheld for tax31,806529,461Form 4
2025-10-03MGMWithheld for tax23,526565,719Form 4
2025-10-03MGMWithheld for tax12,857480,441Form 4
2025-10-03MGMAward / grant80,826561,267Form 4
2025-10-03MGMAward / grant59,784589,245Form 4
2025-10-03MGMOption exercise32,67132,672Form 4
2025-10-03MGMOption exercise32,671493,298Form 4
2025-10-02MGMWithheld for tax10,697460,627Form 4
2025-10-02MGMOption exercise27,18254,363Form 4
2025-10-02MGMOption exercise27,182471,324Form 4
2025-10-01GBFHAward / grant14826,335Form 4
2025-07-02GBFHAward / grant20122,647Form 4
2025-02-24MGMWithheld for tax1,246444,142Form 4
2025-02-24MGMOption exercise5,6585,657Form 4
2025-02-24MGMOption exercise5,658445,388Form 4
2025-02-23MGMWithheld for tax1,471439,730Form 4
2025-02-23MGMOption exercise6,683441,201Form 4
2025-02-23MGMOption exercise6,68313,366Form 4
2024-12-20MGMGift50,000434,518Form 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.