Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 98 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

98 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 28, 2023 MSM S 3,094 $99.90 $309,091 3,398 Direct -47.66% Disposed 30.3% (price as of 2026-10-02)
July 1, 2022 MSM S 4,701 $74.53 $350,366 1,816 Direct -72.13% Disposed 74.6% (price as of 2026-10-02)

Showing latest 100 of 126 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Nov. 6, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (376) · · 376 Disposed
Nov. 6, 2024 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (76) · · 76 Disposed
Nov. 5, 2024 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (55) · · 55 Disposed
Nov. 5, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (478) · · 478 Disposed
Nov. 4, 2024 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (45) · · 45 Disposed
Nov. 4, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (605) · · 605 Disposed
Nov. 4, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (2,949) · · 2,949 Acquired
Nov. 3, 2024 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (22) · · 22 Disposed
Nov. 3, 2024 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (607) · · 607 Disposed
Nov. 6, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (60) · · 60 Disposed
Nov. 6, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (376) · · 376 Disposed
Nov. 6, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (108) · · 108 Disposed
Nov. 6, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (369) · · 369 Disposed
Nov. 5, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (36) · · 36 Disposed
Nov. 5, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (478) · · 478 Disposed
Nov. 4, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (22) · · 22 Disposed
Nov. 4, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (605) · · 605 Disposed
Nov. 3, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (2,428) · · 2,428 Acquired
Oct. 17, 2023 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (20) · · 20 Disposed
Oct. 17, 2023 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (60) · · 60 Disposed
July 28, 2023 MSM Options (right to buy) Class A Common Stock, $0.001 par value (1,441) · Oct. 16, 2025 1,441 Disposed
July 28, 2023 MSM Options (right to buy) Class A Common Stock, $0.001 par value (1,653) · Oct. 19, 2024 1,653 Disposed
Nov. 6, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (376) · · 376 Disposed
Nov. 6, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (44) · · 44 Disposed
Nov. 6, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (92) · · 92 Disposed
Nov. 6, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (369) · · 369 Disposed
Nov. 6, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (141) · · 141 Disposed
Nov. 5, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (18) · · 18 Disposed
Nov. 5, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (478) · · 478 Disposed
Nov. 4, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (2,422) · · 2,422 Acquired
Oct. 20, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (20) · · 20 Disposed
Oct. 20, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (62) · · 62 Disposed
Oct. 17, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (17) · · 17 Disposed
Oct. 17, 2022 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (60) · · 60 Disposed
July 1, 2022 MSM Options (right to buy) Class A Common Stock, $0.001 par value (2,521) · Oct. 18, 2022 2,521 Disposed
July 1, 2022 MSM Options (right to buy) Class A Common Stock, $0.001 par value (2,180) · Oct. 25, 2023 2,180 Disposed
Jan. 25, 2022 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (67) · · 67 Acquired
Nov. 30, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (40) · · 40 Acquired
Nov. 6, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (29) · · 29 Disposed
Nov. 6, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (376) · · 376 Disposed
Nov. 6, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (75) · · 75 Disposed
Nov. 6, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (368) · · 368 Disposed
Nov. 5, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (1,912) · · 1,912 Acquired
Oct. 26, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (21) · · 21 Disposed
Oct. 26, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (70) · · 70 Disposed
Oct. 20, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (17) · · 17 Disposed
Oct. 20, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (62) · · 62 Disposed
Oct. 17, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (14) · · 14 Disposed
Oct. 17, 2021 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (59) · · 59 Disposed
July 27, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (29) · · 29 Acquired
April 27, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (27) · · 27 Acquired
Jan. 26, 2021 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (31) · · 31 Acquired
Dec. 15, 2020 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (132) · · 132 Acquired
Nov. 24, 2020 MSM Dividend Equivalent Units Class A Common Stock, $0.001 par value (27) · · 27 Acquired

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

Initial ownership (Form 3) 11 holdings

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

DateTickerSecuritySharesOwnership
Nov. 25, 2020 MSM Class A Common Stock, $0.001 par value 1,051 Direct
Nov. 25, 2020 MSM Restricted Stock Units (RSU)→ Class A Common Stock, $0.001 Par Value (70) 70 Direct
Nov. 25, 2020 MSM Restricted Stock Units (RSU)→ Class A Common Stock, $0.001 Par Value (124) 124 Direct
Nov. 25, 2020 MSM Restricted Stock Units (RSU)→ Class A Common Stock, $0.001 Par Value (179) 179 Direct
Nov. 25, 2020 MSM Restricted Stock Units (RSU)→ Class A Common Stock, $0.001 Par Value (1,106) 1,106 Direct
Nov. 25, 2020 MSM Restricted Stock Units (RSU)→ Class A Common Stock, $0.001 Par Value (1,504) 1,504 Direct
Nov. 25, 2020 MSM Dividend Equivalent Units→ Class A Common Stock, $0.001 Par Value (194) 194 Direct
Nov. 25, 2020 MSM Options (right to buy) [F10]→ Class A Common Stock, $0.001 Par Value (2,521) 2,521 Direct
Nov. 25, 2020 MSM Options (right to buy) [F10]→ Class A Common Stock, $0.001 Par Value (2,180) 2,180 Direct
Nov. 25, 2020 MSM Options (right to buy) [F10]→ Class A Common Stock, $0.001 Par Value (1,653) 1,653 Direct
Nov. 25, 2020 MSM Options (right to buy) [F10]→ Class A Common Stock, $0.001 Par Value (1,441) 1,441 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 $431,760 · · · · · $22,687 $929,267
2022 $381,731 · $324,887 · $267,420 · $21,645 $995,683

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