Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 1, 2018 NEU P 100 $377.00 $37,700 862 Direct +13.12% Acquired 145.1% (price as of 2026-10-02)
May 1, 2018 NEU P 164 $378.10 $62,008 762 Direct +27.42% Acquired 144.4% (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.

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 31, 2011 NEU Common Stock 344 Direct
Oct. 31, 2011 NEU Common Stock 2,409 Indirect