William Hornbuckle

CIK 1183302 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 25, 2026 · Latest: Feb. 25, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 97 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

97 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 5, 2024 MGM P 58,900 $33.73 $1,986,697 377,112 Direct +18.51% Acquired 28.1% (price as of 2026-08-21)
Feb. 9, 2023 MGM S 10b5-1 110,000 $44.86 $4,934,600 172,781 Indirect -38.90% Disposed -3.7% (price as of 2026-08-21)
Jan. 26, 2023 MGM S 10b5-1 120,000 $41.00 $4,920,000 282,781 Indirect -29.79% Disposed 5.4% (price as of 2026-08-21)

Showing latest 100 of 527 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 3, 2026 MTN Restricted Share Unit Common Stock (249) $0.00 249 Acquired
Feb. 24, 2026 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5,657) Feb. 24, 2026 5,657 Disposed
Feb. 23, 2026 MGM Restricted Stock Units Common Stock $.01 Par Value ND (6,683) Feb. 23, 2027 6,683 Disposed
Oct. 7, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (32,441) Oct. 7, 2027 32,441 Disposed
Oct. 6, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (147,406) Oct. 6, 2028 147,406 Acquired
Oct. 4, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (17,980) Oct. 4, 2025 17,980 Disposed
Oct. 3, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (32,671) Oct. 3, 2026 32,671 Disposed
Oct. 2, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (27,182) Oct. 2, 2027 27,182 Disposed
Feb. 24, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5,658) Feb. 24, 2026 5,658 Disposed
Feb. 23, 2025 MGM Restricted Stock Units Common Stock $.01 Par Value ND (6,683) Feb. 23, 2027 6,683 Disposed
Oct. 7, 2024 MGM Performance Share Units Common Stock $.01 Par Value ND (69,293) Oct. 7, 2027 69,293 Acquired
Oct. 7, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (97,324) Oct. 7, 2027 97,324 Acquired
Oct. 4, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (17,979) Oct. 4, 2025 17,979 Disposed
Oct. 3, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (32,671) Oct. 3, 2026 32,671 Disposed
Oct. 2, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (27,181) Oct. 2, 2027 27,181 Disposed
Aug. 18, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (38,213) Aug. 18, 2024 38,213 Disposed
April 1, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (11,259) April 1, 2024 11,259 Disposed
Feb. 27, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4,602) Feb. 27, 2024 4,602 Disposed
Feb. 24, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5,657) Feb. 24, 2026 5,657 Disposed
Feb. 23, 2024 MGM Restricted Stock Units Common Stock $.01 Par Value ND (6,684) Feb. 23, 2027 6,684 Disposed
Oct. 4, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (17,980) Oct. 4, 2025 17,980 Disposed
Oct. 3, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (32,672) Oct. 3, 2026 32,672 Disposed
Oct. 2, 2023 MGM Performance Share Units Common Stock $.01 Par Value ND (88,185) Oct. 2, 2026 88,185 Acquired
Oct. 2, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (108,726) Oct. 2, 2027 108,726 Acquired
Aug. 18, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (38,212) Aug. 18, 2024 38,212 Disposed
April 1, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (11,259) April 1, 2024 11,259 Disposed
Feb. 27, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4,604) Feb. 27, 2024 4,604 Disposed
Feb. 24, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5,658) Feb. 24, 2026 5,658 Disposed
Feb. 23, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (26,733) Feb. 23, 2027 26,733 Acquired
Feb. 21, 2023 MGM Restricted Stock Units Common Stock $.01 Par Value ND (3,123) Feb. 21, 2023 3,123 Disposed
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (9) Oct. 3, 2026 9 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) Feb. 24, 2026 2 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4) Oct. 4, 2025 4 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5) Aug. 18, 2024 5 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
Dec. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
Oct. 19, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (10,714) Oct. 19, 2022 10,714 Disposed
Oct. 4, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (17,978) Oct. 4, 2025 17,978 Disposed
Oct. 3, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (130,677) Oct. 3, 2026 130,677 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (6) Aug. 18, 2024 6 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (5) Oct. 4, 2025 5 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) Feb. 24, 2026 2 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
Sept. 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
Aug. 18, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (38,208) Aug. 18, 2024 38,208 Disposed
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) Feb. 24, 2026 2 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (6) Oct. 4, 2025 6 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (10) Aug. 18, 2024 10 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
June 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
April 1, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (11,257) April 1, 2024 11,257 Disposed
April 1, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (290,179) April 1, 2022 290,179 Disposed
April 1, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (290,179) April 1, 2022 290,179 Disposed
April 1, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (11,257) April 1, 2024 11,257 Disposed
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4) Oct. 4, 2025 4 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 24, 2026 1 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (7) Aug. 18, 2024 7 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (18) April 1, 2022 18 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
March 15, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
Feb. 27, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4,605) Feb. 27, 2024 4,605 Disposed
Feb. 24, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (22,624) Feb. 24, 2026 22,624 Acquired
Feb. 21, 2022 MGM Restricted Stock Units Common Stock $.01 Par Value ND (3,125) Feb. 21, 2023 3,125 Disposed
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (4) Oct. 4, 2025 4 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (7) Aug. 18, 2024 7 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (18) April 1, 2022 18 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
Dec. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
Nov. 14, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (8,019) Nov. 14, 2021 8,019 Disposed
Oct. 19, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (10,713) Oct. 19, 2022 10,713 Disposed
Oct. 4, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (71,894) Oct. 4, 2025 71,894 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (7) Aug. 18, 2024 7 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (18) April 1, 2022 18 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
Sept. 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Nov. 14, 2021 0 Acquired
Aug. 18, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (38,198) Aug. 18, 2024 38,198 Disposed
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (9) Aug. 18, 2024 9 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (17) April 1, 2022 17 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (2) April 1, 2024 2 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Feb. 21, 2023 0 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Oct. 19, 2022 1 Acquired
June 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (0) Nov. 14, 2021 0 Acquired
April 1, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (11,254) April 1, 2024 11,254 Disposed
March 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (9) Aug. 18, 2024 9 Acquired
March 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (18) April 1, 2022 18 Acquired
March 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (3) April 1, 2024 3 Acquired
March 15, 2021 MGM Restricted Stock Units Common Stock $.01 Par Value ND (1) Feb. 27, 2024 1 Acquired

Showing latest 100 of 287 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
May 5, 2025 GBFH Common Stock 22,446 Direct
May 5, 2025 GBFH Common Stock 399,285 Indirect
May 5, 2025 GBFH Restricted Stock Grant→ Common Stock (2,000) 2,000 Indirect
May 5, 2025 GBFH Restricted Stock Grant→ Common Stock (1,000) 1,000 Indirect
May 5, 2025 GBFH Restricted Stock Grant→ Common Stock (900) 900 Direct
May 5, 2025 GBFH Restricted Stock Grant→ Common Stock (1,800) 1,800 Direct
May 5, 2025 GBFH Restricted Stock Grant→ Common Stock (1,800) 1,800 Direct
June 18, 2010 MGM Common Stock $.01 Par Value ND 8,144 Direct
June 18, 2010 MGM Emp Stk Option (Right to Buy)→ Common Stock $.01 Par Value ND Direct
June 18, 2010 MGM Employee Stock Appreciation Rights→ Common Stock $.01 Par Value ND Direct
June 18, 2010 MGM Employee Stock Appreciation Rights→ Common Stock $.01 Par Value ND Direct
June 18, 2010 MGM Restricted Stock Units→ Common Stock $.01 Par Value ND (2,813) 2,813 Direct
June 18, 2010 MGM Restricted Stock Units→ Common Stock $.01 Par Value ND (15,642) 15,642 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MGM

CEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2024 $2,000,000 $10,000,000 $3,672,373 $147,211 $15,819,584
2023 $2,000,000 $10,000,000 $4,774,912 $228,882 $17,003,794
2022 $1,667,123 $10,000,000 $4,328,524 $242,428 $16,238,075

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.