Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 59 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

59 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 17, 2021 KOP S 17,211 $35.26 $606,860 16,455 Direct -51.12% Disposed 33.4% (price as of 2026-10-05)
May 11, 2021 KOP S 6,000 $36.62 $219,720 16,455 Direct -26.72% Disposed 28.5% (price as of 2026-10-05)
March 1, 2021 KOP S 6,795 $35.06 $238,233 23,825 Direct -22.19% Disposed 34.2% (price as of 2026-10-05)
May 30, 2018 KOP S 3,900 $40.28 $157,092 11,906 Direct -24.67% Disposed 16.8% (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
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (1,405) · · 1,405 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (2,578) · · 2,578 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (2,466) · · 2,466 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (1,346) · · 1,346 Acquired
May 17, 2021 KOP Employee Stock Options (Rights to Buy) Common Stock (14,357) $17.57 March 3, 2025 14,357 Disposed
May 17, 2021 KOP Employee Stock Options (Rights to Buy) Common Stock (2,854) $18.11 March 1, 2026 2,854 Disposed
March 3, 2021 KOP Restricted Stock Units Common Stock (293) · · 293 Disposed
Feb. 16, 2021 KOP Restricted Stock Units Common Stock (3,480) · · 3,480 Acquired
March 3, 2020 KOP Restricted Stock Units Common Stock (292) · · 292 Disposed
March 3, 2020 KOP Restricted Stock Units Common Stock (2,925) · · 2,925 Disposed
March 2, 2018 KOP Employee Stock Options (Rights to Buy) Common Stock (4,954) $41.60 March 2, 2028 4,954 Acquired
March 2, 2018 KOP Restricted Stock Units Common Stock (292) · · 292 Acquired
March 3, 2017 KOP Employee Stock Options (Rights to Buy) Common Stock (4,324) $44.10 March 2, 2027 4,324 Acquired
March 3, 2017 KOP Restricted Stock Units Common Stock (1,170) · · 1,170 Acquired
March 1, 2016 KOP Employee Stock Options (Rights to Buy) Common Stock (9,959) $18.11 March 1, 2026 9,959 Acquired
March 3, 2015 KOP Employee Stock Options (Rights to Buy) Common Stock (14,357) $17.57 March 3, 2025 14,357 Acquired
Feb. 18, 2014 KOP Employee Stock Options (Rights to Buy) Common Stock (4,497) $37.93 Feb. 18, 2024 4,497 Acquired
Feb. 21, 2013 KOP Employee Stock Options (Rights to Buy) Common Stock (3,750) $42.76 Feb. 19, 2023 3,750 Acquired
Feb. 23, 2012 KOP Employee Stock Options (Rights to Buy) Common Stock (3,785) $38.21 Feb. 21, 2022 3,785 Acquired

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

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 18, 2020 KOP Common Stock 17,066 Direct
Feb. 18, 2020 KOP Restricted Stock Units [F1]→ Common Stock [F2] (2,925) 2,925 Direct
Feb. 18, 2020 KOP Restricted Stock Units [F1]→ Common Stock [F3] (3,480) 3,480 Direct
Feb. 13, 2020 KOP Common Stock 17,066 Direct
Feb. 13, 2020 KOP Restricted Stock Units [F1]→ Common Stock [F2] (2,925) 2,925 Direct
Feb. 13, 2020 KOP Restricted Stock Units [F1]→ Common Stock [F3] (3,480) 3,480 Direct
May 17, 2011 KOP No securities are beneficially owned. 0 Direct