Diane M Pearse

CIK 1283417 · View on SEC EDGAR ↗

Insider

First SEC filing: March 17, 2004 · Latest: June 12, 2026

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 81 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

81 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 11, 2020 MSA S 891 $120.61 $107,464 29,763 Direct -2.91% Disposed 56.3% (price as of 2026-08-20)
May 8, 2019 MSA S 4,854 $110.00 $533,940 25,704 Direct -15.88% Disposed 71.4% (price as of 2026-08-20)
May 7, 2018 MSA S 1,206 $87.54 $105,573 24,387 Direct -4.71% Disposed 115.4% (price as of 2026-08-20)
May 11, 2017 MSA S 1,078 $77.00 $83,006 21,804 Direct -4.71% Disposed 144.8% (price as of 2026-08-20)
May 6, 2016 MSA S 1,283 $48.00 $61,584 18,837 Direct -6.38% Disposed 292.8% (price as of 2026-08-20)
May 1, 2014 MSA S 1,140 $51.95 $59,223 13,709 Direct -7.68% Disposed 262.9% (price as of 2026-08-20)

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
May 10, 2023 MSA Non-statutory Stock Option Common Stock, no par value (2,179) $49.92 May 10, 2023 2,179 Disposed
May 6, 2022 MSA Non-statutory Stock Option Common Stock, no par value (2,675) $42.54 May 11, 2022 2,675 Disposed
May 11, 2021 MSA Non-statutory Stock Option Common Stock, no par value (2,969) $37.33 May 16, 2021 2,969 Disposed
May 11, 2020 MSA Non-statutory Stock Option Common Stock, no par value (3,715) $29.33 May 14, 2020 3,715 Disposed
May 8, 2019 MSA Non-statutory Stock Option Common Stock, no par value (4,854) $21.71 May 15, 2019 4,854 Disposed
May 7, 2018 MSA Non-statutory Stock Option Common Stock, no par value (2,583) $40.88 May 16, 2018 2,583 Disposed
May 11, 2017 MSA Non-statutory Stock Option Common Stock, no par value (1,951) $42.69 May 15, 2017 1,951 Disposed
May 6, 2016 MSA Non-statutory Stock Option Common Stock, no par value (1,490) $41.26 May 16, 2016 1,490 Disposed
May 11, 2015 MSA Non-statutory Stock Option Common Stock, no par value (1,109) $44.36 May 13, 2015 1,109 Disposed
May 1, 2014 MSA Non-statutory Stock Option Common Stock, no par value (1,529) $28.06 May 4, 2014 1,529 Disposed
May 10, 2013 MSA Non-statutory Stock Option Common Stock, no par value (2,179) $49.92 May 10, 2023 2,179 Acquired
May 11, 2012 MSA Non-statutory Stock Option Common Stock, no par value (2,675) $42.54 May 11, 2022 2,675 Acquired
May 16, 2011 MSA Non-statutory Stock Option Common Stock, no par value (2,969) $37.33 May 16, 2021 2,969 Acquired
May 14, 2010 MSA Non-statutory Stock Option Common Stock, no par value (3,715) $29.33 May 14, 2020 3,715 Acquired
May 15, 2009 MSA Non-statutory Stock Option Common Stock, no par value (4,854) $21.71 May 15, 2019 4,854 Acquired
May 16, 2008 MSA Non-statutory Stock Option Common Stock, no par value (2,583) $40.88 May 16, 2018 2,583 Acquired
May 15, 2007 MSA Non-statutory Stock Option Common Stock, no par value (1,951) $42.69 May 15, 2017 1,951 Acquired
May 16, 2006 MSA Non-statutory Stock Option Common Stock, no par value (1,490) $41.26 May 16, 2016 1,490 Acquired
May 13, 2005 MSA Non-statutory Stock Option Common Stock, no par value (1,109) $44.36 May 13, 2015 1,109 Acquired
May 4, 2004 MSA Non-statutory Stock Option Common Stock, no par value (1,529) $28.06 May 4, 2014 1,529 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
March 17, 2004 MSA Common Stock, no par value 0 Direct