Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 4 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 4, 2023 MSM J 287,222 · · 0 Indirect -100.00% Disposed (price as of 2026-10-05)
Oct. 4, 2023 MSM J 684,590 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Oct. 4, 2023 MSM J 351,844 · · 514,315 Indirect +216.56% Acquired (price as of 2026-10-05)
Oct. 4, 2023 MSM J 838,622 · · 845,031 Direct +13085.07% Acquired (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 4, 2023 MSM Class B Common Stock Class A Common Stock (351,844) · · 287,222 Disposed
Oct. 4, 2023 MSM Class B Common Stock Class A Common Stock (838,622) · · 684,590 Disposed

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 9, 2023 MSM Class A Common Stock 6,409 Direct
Feb. 9, 2023 MSM Class A Common Stock 162,471 Indirect
Feb. 9, 2023 MSM Class B Common Stock→ Class A Common Stock (684,590) 684,590 Direct
Feb. 9, 2023 MSM Class B Common Stock→ Class A Common Stock (287,222) 287,222 Indirect