Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 18 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
April 18, 2024 MSM M 66 · · 323 Direct -16.97% Disposed (price as of 2026-10-02)
April 18, 2024 MSM M 1,035 · · 2,070 Direct -33.33% Disposed (price as of 2026-10-02)
April 18, 2024 MSM F 265 $91.44 $24,232 2,297 Direct -10.34% Disposed 42.3% (price as of 2026-10-02)
April 18, 2024 MSM M 66 · · 2,562 Direct +2.64% Acquired (price as of 2026-10-02)
April 18, 2024 MSM M 1,035 · · 2,496 Direct +70.84% Acquired (price as of 2026-10-02)
Nov. 4, 2023 MSM M 30 · · 235 Direct -11.32% Disposed (price as of 2026-10-02)
Nov. 4, 2023 MSM M 832 · · 2,498 Direct -24.98% Disposed (price as of 2026-10-02)
Nov. 4, 2023 MSM F 210 $97.78 $20,534 1,461 Direct -12.57% Disposed 33.1% (price as of 2026-10-02)
Nov. 4, 2023 MSM M 30 · · 1,671 Direct +1.83% Acquired (price as of 2026-10-02)
Nov. 4, 2023 MSM M 832 · · 1,641 Direct +102.84% Acquired (price as of 2026-10-02)
Nov. 3, 2023 MSM A 3,195 · · 3,195 Direct · Acquired (price as of 2026-10-02)
April 18, 2023 MSM M 30 · · 154 Direct -16.30% Disposed (price as of 2026-10-02)
April 18, 2023 MSM M 1,035 · · 3,105 Direct -25.00% Disposed (price as of 2026-10-02)
April 18, 2023 MSM F 256 $90.12 $23,071 809 Direct -24.04% Disposed 44.4% (price as of 2026-10-02)
April 18, 2023 MSM M 30 · · 1,065 Direct +2.90% Acquired (price as of 2026-10-02)
April 18, 2023 MSM M 1,035 · · 1,035 Direct · Acquired (price as of 2026-10-02)
Nov. 4, 2022 MSM A 3,330 · · 3,330 Direct · Acquired (price as of 2026-10-02)
April 18, 2022 MSM A 4,140 · · 4,140 Direct · Acquired (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
April 18, 2024 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (66) · · 66 Disposed
April 18, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (1,035) · · 1,035 Disposed
Nov. 4, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (30) · · 30 Disposed
Nov. 4, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (832) · · 832 Disposed
Nov. 3, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (3,195) · · 3,195 Acquired
April 18, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (30) · · 30 Disposed
April 18, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (1,035) · · 1,035 Disposed
Nov. 4, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (3,330) · · 3,330 Acquired
April 18, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (4,140) · · 4,140 Acquired

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

Initial ownership (Form 3) 1 holding

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

DateTickerSecuritySharesOwnership
April 18, 2022 MSM Class A Common Stock, $0.001 par value 0 Direct

Compensation (DEF 14A)

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

MSM

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $435,192 · · · · · $154,144 $1,453,998

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