Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 87 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

87 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 12, 2014 MTRN S 300 $34.55 $10,365 8,907 Direct -3.26% Disposed 823.8% (price as of 2026-10-05)
May 12, 2014 MTRN S 1,079 $34.54 $37,269 9,207 Direct -10.49% Disposed 824.1% (price as of 2026-10-05)
March 8, 2013 MTRN S 500 $28.55 $14,275 7,868 Direct -5.98% Disposed 1018.0% (price as of 2026-10-05)
March 8, 2013 MTRN S 750 $29.00 $21,750 8,368 Direct -8.23% Disposed 1000.6% (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
May 3, 2019 MTRN Restricted Stock Unit Common Stock (1,855) · · 1,855 Disposed
March 7, 2019 MTRN Restricted Stock Unit Common Stock (3) · · 3 Acquired
Dec. 3, 2018 MTRN Restricted Stock Units Common Stock (4) · · 4 Acquired
Sept. 5, 2018 MTRN Restricted Stock Units Common Stock (3) · · 3 Acquired
June 1, 2018 MTRN Restricted Stock Units Common Stock (4) · · 4 Acquired
May 3, 2018 MTRN Restricted Stock Unit Common Stock (1,841) · · 1,841 Acquired
May 4, 2017 MTRN Restricted Stock Units [F1] Common Stock (2,332) · · 2,332 Acquired
May 4, 2016 MTRN Restricted Stock Unit Common Stock (2,941) · May 4, 2022 2,941 Acquired
May 12, 2014 MTRN Stock Option Common Stock (1,379) $14.80 May 4, 2015 1,379 Disposed
Nov. 19, 2013 MTRN Stock Options Common Stock (40) $16.10 May 5, 2014 40 Disposed
Nov. 19, 2013 MTRN Stock Options Common Stock (53) $16.10 May 5, 2014 53 Acquired
Nov. 18, 2013 MTRN Stock options Common Stock (149) $16.10 May 5, 2014 351 Disposed
Nov. 18, 2013 MTRN Stock Options Common Stock (649) $16.10 May 5, 2014 649 Acquired
Nov. 8, 2013 MTRN Stock options Common Stock (1,000) $16.10 May 5, 2014 1,000 Disposed
Nov. 8, 2013 MTRN Stock Options Common Stock (1,298) $16.10 May 5, 2014 1,298 Acquired
March 8, 2013 MTRN Stock Option common stock (2,500) $8.10 Aug. 11, 2013 2,500 Acquired
March 8, 2013 MTRN Stock Option common stock (2,500) $8.10 Aug. 11, 2013 2,500 Acquired
May 3, 2005 MTRN Brush Engineered Materials Inc. common stock $14.59 May 3, 2015 2,000 Acquired
May 5, 2004 MTRN Brush Engineered Materials Inc. common stock $16.12 May 5, 2014 2,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Aug. 8, 2003 MTRN None 0 Direct