Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 16 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 5, 2026 NEU F 171 $714.88 $122,244 3,239 Direct -5.01% Disposed 29.3% (price as of 2026-10-05)
Feb. 5, 2026 NEU A 535 · · 3,410 Direct +18.61% Acquired (price as of 2026-10-05)
Feb. 27, 2025 NEU F 151 $563.12 $85,031 2,875 Direct -4.99% Disposed 64.1% (price as of 2026-10-05)
Feb. 27, 2025 NEU A 500 · · 3,026 Direct +19.79% Acquired (price as of 2026-10-05)
Feb. 22, 2024 NEU F 132 $619.19 $81,733 2,526 Direct -4.97% Disposed 49.3% (price as of 2026-10-05)
Feb. 22, 2024 NEU A 437 · · 2,658 Direct +19.68% Acquired (price as of 2026-10-05)
Feb. 23, 2023 NEU F 249 $338.85 $84,374 2,221 Direct -10.08% Disposed 172.8% (price as of 2026-10-05)
Feb. 23, 2023 NEU A 825 · · 2,470 Direct +50.15% Acquired (price as of 2026-10-05)
Feb. 27, 2020 NEU F 168 $398.90 $67,015 1,645 Direct -9.27% Disposed 131.7% (price as of 2026-10-05)
Feb. 27, 2020 NEU A 557 · · 1,813 Direct +44.35% Acquired (price as of 2026-10-05)
Nov. 14, 2019 NEU F 201 $504.06 $101,316 1,256 Direct -13.80% Disposed 83.4% (price as of 2026-10-05)
Dec. 18, 2018 NEU F 56 $386.65 $21,652 1,457 Direct -3.70% Disposed 139.1% (price as of 2026-10-05)
Nov. 14, 2017 NEU F 45 $393.24 $17,696 1,513 Direct -2.89% Disposed 135.1% (price as of 2026-10-05)
Nov. 11, 2016 NEU F 58 $416.65 $24,166 1,558 Direct -3.59% Disposed 121.9% (price as of 2026-10-05)
Dec. 18, 2015 NEU A 185 · · 1,616 Direct +12.93% Acquired (price as of 2026-10-05)
Sept. 4, 2015 NEU F 55 $385.28 $21,190 1,431 Direct -3.70% Disposed 139.9% (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.

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 6, 2015 NEU Common Stock 1,486 Direct
Jan. 6, 2015 NEU Common Stock 143 Indirect

Compensation (DEF 14A)

08

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

NEU

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $620,000 $0 · · $600,000 $193,923 $32,000 $1,814,110
2024 $590,000 $0 · · $600,000 $70,032 $30,500 $1,623,379
2023 $560,000 $0 · · $525,000 $170,398 $28,429 $1,536,300

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