Gregory R. Chemnitz

CIK 1519910 · View on SEC EDGAR ↗

Insider

First SEC filing: May 5, 2011 · Latest: Jan. 31, 2014

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 74 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

74 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 4, 2025 MTRN S 2,082 $105.40 $219,443 10,376 Direct -16.71% Disposed 146.7% (price as of 2026-08-19)
Aug. 4, 2025 MTRN S 918 $104.65 $96,069 12,458 Direct -6.86% Disposed 148.5% (price as of 2026-08-19)
May 5, 2025 MTRN S 1 $83.33 $83 13,376 Direct -0.01% Disposed 212.0% (price as of 2026-08-19)
May 5, 2025 MTRN S 130 $81.70 $10,621 13,377 Direct -0.96% Disposed 218.3% (price as of 2026-08-19)
May 5, 2025 MTRN S 939 $80.86 $75,928 13,507 Direct -6.50% Disposed 221.6% (price as of 2026-08-19)
May 5, 2025 MTRN S 930 $79.85 $74,260 14,446 Direct -6.05% Disposed 225.6% (price as of 2026-08-19)
Nov. 7, 2024 MTRN S 1,500 $117.87 $176,805 12,031 Direct -11.09% Disposed 120.6% (price as of 2026-08-19)
Nov. 7, 2024 MTRN S 500 $116.67 $58,335 13,531 Direct -3.56% Disposed 122.9% (price as of 2026-08-19)
Nov. 4, 2024 MTRN S 2,000 $105.10 $210,200 14,031 Direct -12.48% Disposed 147.4% (price as of 2026-08-19)
Aug. 8, 2024 MTRN S 2,000 $112.87 $225,740 16,031 Direct -11.09% Disposed 130.4% (price as of 2026-08-19)
May 13, 2024 MTRN S 216 $114.24 $24,676 18,031 Direct -1.18% Disposed 127.6% (price as of 2026-08-19)
May 13, 2024 MTRN S 1,415 $113.38 $160,433 18,247 Direct -7.20% Disposed 129.3% (price as of 2026-08-19)
May 13, 2024 MTRN S 369 $112.52 $41,520 19,662 Direct -1.84% Disposed 131.1% (price as of 2026-08-19)
Feb. 20, 2024 MTRN S 1,057 $134.89 $142,579 14,510 Direct -6.79% Disposed 92.8% (price as of 2026-08-19)
Feb. 20, 2024 MTRN S 882 $133.84 $118,047 15,567 Direct -5.36% Disposed 94.3% (price as of 2026-08-19)
Feb. 20, 2024 MTRN S 789 $132.79 $104,771 16,449 Direct -4.58% Disposed 95.8% (price as of 2026-08-19)
Feb. 20, 2024 MTRN S 272 $131.70 $35,822 17,238 Direct -1.55% Disposed 97.4% (price as of 2026-08-19)
Aug. 29, 2023 MTRN S 63 $108.15 $6,813 17,510 Direct -0.36% Disposed 140.4% (price as of 2026-08-19)
Aug. 29, 2023 MTRN S 1,417 $107.85 $152,823 17,573 Direct -7.46% Disposed 141.1% (price as of 2026-08-19)
Aug. 28, 2023 MTRN S 320 $107.10 $34,272 18,990 Direct -1.66% Disposed 142.8% (price as of 2026-08-19)
May 17, 2023 MTRN S 2,378 $102.05 $242,675 19,310 Direct -10.96% Disposed 154.8% (price as of 2026-08-19)
Feb. 27, 2023 MTRN S 577 $110.00 $63,470 18,783 Direct -2.98% Disposed 136.4% (price as of 2026-08-19)
Feb. 23, 2023 MTRN S 2,423 $110.00 $266,530 19,360 Direct -11.12% Disposed 136.4% (price as of 2026-08-19)
Aug. 19, 2022 MTRN S 368 $96.80 $35,622 17,195 Direct -2.10% Disposed 168.6% (price as of 2026-08-19)
Aug. 19, 2022 MTRN S 2,500 $96.28 $240,700 17,563 Direct -12.46% Disposed 170.1% (price as of 2026-08-19)
May 13, 2022 MTRN S 4,700 $80.00 $376,000 17,195 Direct -21.47% Disposed 225.0% (price as of 2026-08-19)

Showing latest 100 of 238 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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
June 12, 2026 MTRN Restricted Stock Units Common Stock (2) — — 2 Acquired
Dec. 5, 2025 MTRN Restricted Stock Units Common Stock (4) — — 4 Acquired
Sept. 5, 2025 MTRN Restricted Stock Units Common Stock (5) — — 5 Acquired
June 13, 2025 MTRN Restricted Stock Units Common Stock (7) — — 7 Acquired
March 7, 2025 MTRN Restricted Stock Units Common Stock (7) — — 7 Acquired
March 1, 2025 MTRN Stock Appreciation Rights Common Stock (3,051) $87.36 March 1, 2032 3,051 Acquired
March 1, 2025 MTRN Restricted Stock Units Common Stock (2,068) — — 2,068 Acquired
March 1, 2025 MTRN Restricted Stock Units Common Stock (2,679) — — 2,679 Disposed
Dec. 6, 2024 MTRN Restricted Stock Units Common Stock (6) — — 6 Acquired
Sept. 6, 2024 MTRN Restricted Stock Units Common Stock (6) — — 6 Acquired
June 7, 2024 MTRN Restricted Stock Units Common Stock (6) — — 6 Acquired
March 8, 2024 MTRN Restricted Stock Units Common Stock (7) — — 7 Acquired
March 1, 2024 MTRN Restricted Stock Units Common Stock (1,712) — — 1,712 Acquired
March 1, 2024 MTRN Stock Appreciation Rights Common Stock (2,207) $135.58 March 1, 2031 2,207 Acquired
March 1, 2024 MTRN Restricted Stock Units Common Stock (1,468) — — 1,468 Disposed
Feb. 17, 2024 MTRN Restricted Stock Units Common Stock (2,665) — — 2,665 Disposed
Dec. 8, 2023 MTRN Restricted Stock Units Common Stock (8) — — 8 Acquired
Sept. 7, 2023 MTRN Restricted Stock Units Common Stock (9) — — 9 Acquired
June 15, 2023 MTRN Restricted Stock Units Common Stock (9) — — 9 Acquired
May 5, 2023 MTRN Stock Appreciation Rights Common Stock (1,127) $80.85 March 1, 2029 1,127 Disposed
May 5, 2023 MTRN Stock Appreciation Rights Common Stock (2,920) $68.82 Feb. 17, 2028 2,920 Disposed
May 5, 2023 MTRN Stock Appreciation Rights Common Stock (5,522) $50.95 Feb. 19, 2027 5,522 Disposed
March 10, 2023 MTRN Restricted Stock Units Common Stock (7) — — 7 Acquired
March 1, 2023 MTRN Restricted Stock Units Common Stock (2,170) — — 2,170 Acquired
March 1, 2023 MTRN Stock Appreciation Rights Common Stock (3,040) $113.28 March 1, 2030 3,040 Acquired
March 1, 2023 MTRN Restricted Stock Unit Common Stock (738) — — 738 Disposed
Feb. 19, 2023 MTRN Restricted Stock Unit Common Stock (3,077) — — 3,077 Disposed
Dec. 8, 2022 MTRN Restricted Stock Unit Common Stock (13) — — 13 Acquired
Sept. 8, 2022 MTRN Restricted Stock Unit Common Stock (13) — — 13 Acquired
Aug. 19, 2022 MTRN Stock Appreciation Rights Common Stock (5,358) $50.35 March 1, 2025 5,358 Disposed
Aug. 19, 2022 MTRN Stock Appreciation Rights Common Stock (6,346) $58.30 Feb. 22, 2026 6,346 Disposed
June 16, 2022 MTRN Restricted Stock Unit Common Stock (15) — — 15 Acquired
March 11, 2022 MTRN Restricted Stock Unit Common Stock (12) — — 12 Acquired
March 1, 2022 MTRN Restricted Stock Unit Common Stock (618) — — 618 Acquired
March 1, 2022 MTRN Restricted Stock Unit Common Stock (2,205) — — 2,205 Acquired
March 1, 2022 MTRN Stock Appreciation Rights Common Stock (3,381) $80.85 March 1, 2029 3,381 Acquired
Feb. 22, 2022 MTRN Restricted Stock Unit Common Stock (3,799) — — 3,799 Disposed
Dec. 3, 2021 MTRN Common Stock Common Stock (9) — — 9 Acquired
Sept. 3, 2021 MTRN Common Stock Common Stock (15) — — 15 Acquired
June 11, 2021 MTRN Restricted Stock Units Common Stock (15) — — 15 Acquired
March 5, 2021 MTRN Restricted Stock Units Common Stock (16) — — 16 Acquired
March 1, 2021 MTRN Restricted Stock Units Common Stock (3,431) — — 3,431 Disposed
Feb. 17, 2021 MTRN Restricted Stock Units Common Stock (2,620) — — 2,620 Acquired
Feb. 17, 2021 MTRN Stock Appreciation Rights Common Stock (4,379) $68.82 Feb. 17, 2028 4,379 Acquired
Nov. 30, 2020 MTRN Restricted Stock Units Common Stock (20) — — 20 Acquired
Sept. 4, 2020 MTRN Restricted Stock Units Common Stock (22) — — 22 Acquired
Aug. 10, 2020 MTRN Stock Appreciation Rights Common Stock (5,605) $35.15 Feb. 23, 2024 5,605 Disposed
June 10, 2020 MTRN Restricted Stock Units Common Stock (20) — — 21 Acquired
March 6, 2020 MTRN Restricted Stock Units Common Stock (24) — — 24 Acquired
Feb. 24, 2020 MTRN Restricted Stock Units Common Stock (3,800) — — 3,800 Disposed
Feb. 19, 2020 MTRN Stock Appreciation Rights Common Stock (5,522) $50.95 Feb. 19, 2027 5,522 Acquired
Feb. 19, 2020 MTRN Restricted Stock Units Common Stock (3,013) — — 3,013 Acquired
Dec. 4, 2019 MTRN Restricted Stock Units Common Stock (13) — — 13 Acquired
Sept. 5, 2019 MTRN Common Stock Common Stock (13) — — 13 Acquired
June 5, 2019 MTRN Common Stock Common Stock (12) — — 12 Acquired
March 7, 2019 MTRN Restricted Stock Unit Common Stock (13) — — 13 Acquired
Feb. 22, 2019 MTRN Stock Appreciation Rights Common Stock (6,346) $58.30 Feb. 22, 2026 6,346 Acquired
Feb. 22, 2019 MTRN Restricted Stock Units Common Stock (4,316) — — 4,316 Disposed
Feb. 22, 2019 MTRN Restricted Stock Units Common Stock (3,725) — — 3,725 Acquired
Feb. 22, 2019 MTRN Stock Appreciation Rights Common Stock (14,130) $25.19 Feb. 22, 2023 14,130 Disposed
Dec. 3, 2018 MTRN Restricted Stock Units Common Stock (7) — — 7 Acquired
Sept. 5, 2018 MTRN Restricted Stock Units Common Stock (6) — — 6 Acquired
June 1, 2018 MTRN Restricted Stock Units Common Stock (6) — — 6 Acquired
May 8, 2018 MTRN Stock Appreciation Right Common Stock (8,485) $36.81 March 3, 2022 8,485 Disposed
March 2, 2018 MTRN Restricted Stock Units Common Stock (3,058) — — 3,058 Disposed
March 1, 2018 MTRN Stock Appreciation Rights Common Stock (5,358) $50.35 March 1, 2025 5,358 Acquired
March 1, 2018 MTRN Restricted Stock Unit Common Stock (3,359) — — 3,359 Acquired
Oct. 30, 2017 MTRN Stock Appreciation Rights Common Stock (6,814) $39.30 May 4, 2018 6,814 Acquired
Oct. 30, 2017 MTRN Stock Appreciation Rights Common Stock (7,865) $33.29 May 8, 2021 7,865 Acquired
Oct. 30, 2017 MTRN Stock Appreciation Rights Common Stock (6,492) $28.32 March 6, 2020 6,492 Acquired
Oct. 30, 2017 MTRN Stock Appreciation Rights Common Stock (8,056) $29.45 March 1, 2019 8,056 Acquired
July 31, 2017 MTRN Stock Appreciation Rights Common Stock (1,373) $27.78 Feb. 15, 2018 1,373 Acquired
Feb. 23, 2017 MTRN Restricted Stock Units Common Stock (3,800) — Feb. 23, 2024 3,800 Acquired
Feb. 23, 2017 MTRN Stock Appreciation Rights Common Stock (5,605) $35.15 Feb. 23, 2024 5,605 Acquired
Feb. 22, 2016 MTRN Restricted Stock Unit Common Stock (4,316) — Feb. 22, 2023 4,316 Acquired
Feb. 22, 2016 MTRN Stock Appreciation Rights Common Stock (14,130) $25.19 Feb. 22, 2023 14,130 Acquired
March 3, 2015 MTRN Stock Appreciation Right Common Stock (8,485) $36.81 March 3, 2022 8,485 Acquired
May 8, 2014 MTRN Stock Appreciation Rights common stock (7,865) $33.29 May 8, 2021 7,865 Acquired
May 9, 2013 MTRN Stock Appreciation Rights Common stock (9,901) $21.24 Feb. 22, 2020 9,901 Acquired
May 9, 2013 MTRN Stock Appreciation Rights Common Stock (16,801) $15.01 Feb. 10, 2019 16,801 Acquired
March 6, 2013 MTRN Stock Appreciation Rights Common Stock (6,492) $28.32 March 6, 2020 6,492 Acquired
March 6, 2013 MTRN Stock Appreciation Rights Common Stock (6,913) $28.32 March 6, 2020 6,913 Acquired
March 1, 2012 MTRN Stock Appreciation Rights Common Stock (8,056) $29.45 March 1, 2019 8,056 Acquired
May 4, 2011 MTRN Stock Appreciation Rights Common Stock (6,814) $39.30 May 4, 2021 6,814 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
May 5, 2011 MTRN Common Stock 2,615 Direct

Compensation (DEF 14A)

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

MTRN

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $494,650 — — — — $42,824 $27,302 $1,040,324
2024 $478,185 — — — $85,610 — $42,517 $1,230,995
2023 $461,683 — — — $169,117 $38,861 $43,799 $1,407,138

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