Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 65 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

65 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 15, 2018 MSM S 5,404 $89.00 $480,956 19,669 Direct -21.55% Disposed 46.2% (price as of 2026-10-02)
Feb. 21, 2017 MSM S 2,341 $105.29 $246,484 18,633 Direct -11.16% Disposed 23.6% (price as of 2026-10-02)
Jan. 20, 2017 MSM S 2,341 $100.00 $234,100 18,441 Direct -11.26% Disposed 30.1% (price as of 2026-10-02)
Jan. 12, 2017 MSM S 2,866 $99.00 $283,734 18,441 Direct -13.45% Disposed 31.4% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Nov. 27, 2018 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 par value (41) · · 41 Acquired
Nov. 15, 2018 MSM Options (right to buy) Class A Common Stock, $0.001 par value (5,404) · Oct. 23, 2019 5,404 Disposed
Oct. 26, 2018 MSM Dividend Equivalent Units (DEU) Class A Common Stock, $0.001 par value (17) · · 17 Disposed
Oct. 26, 2018 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (353) · · 353 Disposed
Oct. 20, 2018 MSM Dividend Equivalent Units (DEU) Class A Common Stock, $0.001 par value (11) · · 11 Disposed
Oct. 20, 2018 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (414) · · 414 Disposed
Oct. 19, 2018 MSM Dividend Equivalent Units (DEU) Class A Common Stock, $0.001 par value (28) · · 28 Disposed
Oct. 19, 2018 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 par value (373) · · 373 Disposed
Oct. 17, 2018 MSM Restricted Stock Unit Class A Common Stock, $0.001 par value (1,982) · · 1,982 Acquired
Oct. 17, 2018 MSM Options (right to buy) [F1] Class A Common Stock, $0.001 par value (9,608) $83.21 Oct. 16, 2025 9,608 Acquired
July 24, 2018 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 par value (34) · · 34 Acquired
May 1, 2018 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 par value (32) · · 32 Acquired
Jan. 30, 2018 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 par value (29) · · 29 Acquired
Nov. 28, 2017 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 Par Value (27) · · 27 Acquired
Oct. 26, 2017 MSM Dividend Equivalent units (DEU) Class A Common Stock, $0.001 Par Value (7) · · 7 Acquired
Oct. 26, 2017 MSM Restricted Stock Units (RSU) Class A Common Stock, $0.001 Par Value (353) · · 353 Acquired
Oct. 20, 2017 MSM Options (right to buy) [F5] Class A Common Stock, $0.001 par value (11,020) $79.60 Oct. 19, 2024 11,020 Acquired
Oct. 20, 2017 MSM Restricted Stock Unit Class A Common Stock, $0.001 par value (2,072) · · 2,072 Acquired
Oct. 19, 2017 MSM Dividend Equivalent Units (DEU) Class A Common Stock, $0.001 par value (18) · · 18 Acquired
Oct. 19, 2017 MSM Restricted Stock Units (RSU) [F1] Class A Common Stock, $0.001 par value (373) · · 373 Acquired
Aug. 1, 2017 MSM Dividend Equivalent Unit Class A Common Stock, $0.001 par value (21) · · 21 Acquired
May 2, 2017 MSM Dividend Equivalent Unit Class A Comon Stock, $0.001 par value (17) · · 17 Acquired
Feb. 21, 2017 MSM Options (right to buy) [F2] Class A Common Stock, $0.001 par value (2,341) $66.69 Oct. 20, 2018 2,341 Disposed
Jan. 24, 2017 MSM Dividend Equivalent Unit Class A Comon Stock, $0.001 par value (15) · · 15 Acquired
Jan. 20, 2017 MSM Options (right to buy) [F1] Class A Common Stock, $0.001 par value (2,341) $66.69 Oct. 20, 2018 2,341 Disposed
Jan. 12, 2017 MSM Options (right to buy) [F1] Class A Common Stock, $0.001 par value (2,866) $54.52 Oct. 18, 2017 2,866 Disposed
Nov. 29, 2016 MSM Dividend Equivalent Unit Class A Comon Stock, $0.001 par value (17) · · 17 Acquired
Oct. 26, 2016 MSM Restricted Stock Unit Class A Common Stock, $0.001 par value (1,766) · · 1,766 Acquired
Oct. 26, 2016 MSM Options (right to buy) [F1] Class A Common Stock, $0.001 par value (11,093) $71.33 Oct. 25, 2023 11,093 Acquired
Oct. 19, 2016 MSM Dividend Equivalent Units (DEU) Class A Common Stock, $0.001 par value (10) · · 10 Disposed
Oct. 19, 2016 MSM Restricted Stock Units (RSU) [F1] Class A Common Stock, $0.001 par value (373) · · 373 Disposed
July 26, 2016 MSM Dividend Equivalent Unit Class A Comon Stock, $0.001 par value (11) · · 11 Acquired
April 26, 2016 MSM Dividend Equivalent Unit Class A Comon Stock, $0.001 par value (11) · · 11 Acquired

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

Initial ownership (Form 3) 9 holdings

07

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

DateTickerSecuritySharesOwnership
April 11, 2016 MSM Class A Common Stock, $0.001 par value 18,475 Direct
April 11, 2016 MSM Restricted Stock Units [F1]→ Class A Common Stock, $0.001 par value (1,867) 1,867 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (5,404) 5,404 Direct
April 11, 2016 MSM Dividend Equivalent Unit→ Class A Comon Stock, $0.001 par value (26) 26 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (11,207) 11,207 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (5,523) 5,523 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (7,369) 7,369 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (2,866) 2,866 Direct
April 11, 2016 MSM Options (right to buy) [F3]→ Class A Common Stock, $.001 par value (4,682) 4,682 Direct