Insider at

04

Insider transactions

05
0 buys (P) 3 sells (S) Net: $-4,375,921 + 67 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

67 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 11, 2026 KOP S 7,500 $50.00 $375,000 82,898 Direct -8.30% Disposed -7.9% (price as of 2026-10-02)
Aug. 7, 2026 KOP S 79,900 $50.01 $3,995,799 90,498 Direct -46.89% Disposed -7.9% (price as of 2026-10-02)
Aug. 7, 2026 KOP S 100 $51.22 $5,122 90,398 Direct -0.11% Disposed -10.1% (price as of 2026-10-02)
March 5, 2024 KOP S 400 $54.01 $21,604 111,192 Direct -0.36% Disposed -14.8% (price as of 2026-10-02)
March 5, 2024 KOP S 4,614 $53.39 $246,341 111,592 Direct -3.97% Disposed -13.8% (price as of 2026-10-02)
March 5, 2024 KOP S 765 $52.91 $40,476 116,206 Direct -0.65% Disposed -13.0% (price as of 2026-10-02)
March 5, 2024 KOP S 500 $54.04 $27,020 111,192 Direct -0.45% Disposed -14.8% (price as of 2026-10-02)
March 5, 2024 KOP S 8,367 $53.45 $447,216 111,692 Direct -6.97% Disposed -13.9% (price as of 2026-10-02)
March 5, 2024 KOP S 1,245 $52.93 $65,898 120,059 Direct -1.03% Disposed -13.0% (price as of 2026-10-02)
March 5, 2024 KOP S 300 $54.01 $16,203 111,192 Direct -0.27% Disposed -14.8% (price as of 2026-10-02)
March 5, 2024 KOP S 5,829 $53.46 $311,618 111,492 Direct -4.97% Disposed -13.9% (price as of 2026-10-02)
March 5, 2024 KOP S 830 $52.91 $43,915 117,321 Direct -0.70% Disposed -13.0% (price as of 2026-10-02)
March 5, 2024 KOP S 296 $54.03 $15,993 111,192 Direct -0.27% Disposed -14.8% (price as of 2026-10-02)
March 5, 2024 KOP S 7,446 $53.46 $398,063 111,488 Direct -6.26% Disposed -13.9% (price as of 2026-10-02)
March 5, 2024 KOP S 938 $52.95 $49,667 118,934 Direct -0.78% Disposed -13.1% (price as of 2026-10-02)
March 5, 2024 KOP S 100 $54.01 $5,401 111,192 Direct -0.09% Disposed -14.8% (price as of 2026-10-02)
March 5, 2024 KOP S 5,052 $53.45 $270,029 111,292 Direct -4.34% Disposed -13.9% (price as of 2026-10-02)
March 5, 2024 KOP S 525 $52.96 $27,804 116,344 Direct -0.45% Disposed -13.1% (price as of 2026-10-02)
March 4, 2024 KOP S 100 $54.01 $5,401 111,192 Direct -0.09% Disposed -14.8% (price as of 2026-10-02)
March 4, 2024 KOP S 200 $54.01 $10,802 111,192 Direct -0.18% Disposed -14.8% (price as of 2026-10-02)
March 4, 2024 KOP S 200 $54.01 $10,802 111,192 Direct -0.18% Disposed -14.8% (price as of 2026-10-02)
March 4, 2024 KOP S 100 $54.01 $5,401 111,192 Direct -0.09% Disposed -14.8% (price as of 2026-10-02)
March 4, 2024 KOP S 100 $54.01 $5,401 111,192 Direct -0.09% Disposed -14.8% (price as of 2026-10-02)
March 1, 2024 KOP S 230 $55.39 $12,740 111,192 Direct -0.21% Disposed -16.9% (price as of 2026-10-02)
March 1, 2024 KOP S 1,215 $54.41 $66,108 111,422 Direct -1.08% Disposed -15.4% (price as of 2026-10-02)
March 1, 2024 KOP S 250 $55.19 $13,798 111,192 Direct -0.22% Disposed -16.6% (price as of 2026-10-02)
March 1, 2024 KOP S 3,687 $54.42 $200,647 111,442 Direct -3.20% Disposed -15.4% (price as of 2026-10-02)
March 1, 2024 KOP S 198 $55.59 $11,007 111,192 Direct -0.18% Disposed -17.2% (price as of 2026-10-02)
March 1, 2024 KOP S 1,530 $54.43 $83,278 111,390 Direct -1.35% Disposed -15.4% (price as of 2026-10-02)
March 1, 2024 KOP S 300 $55.22 $16,566 111,192 Direct -0.27% Disposed -16.6% (price as of 2026-10-02)
March 1, 2024 KOP S 1,929 $54.40 $104,938 111,492 Direct -1.70% Disposed -15.4% (price as of 2026-10-02)
March 1, 2024 KOP S 100 $55.16 $5,516 111,192 Direct -0.09% Disposed -16.5% (price as of 2026-10-02)
March 1, 2024 KOP S 1,275 $54.33 $69,271 111,292 Direct -1.13% Disposed -15.3% (price as of 2026-10-02)

Showing latest 100 of 202 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 26, 2026 KOP Dividend Equivalent Rights Common Stock (466) · · 466 Acquired
Feb. 26, 2026 KOP Dividend Equivalent Rights Common Stock (466) · · 466 Disposed
Jan. 5, 2026 KOP Restricted Stock Units Common Stock (12,442) · · 12,442 Disposed
Jan. 5, 2026 KOP Dividend Equivalent Rights Common Stock (622) · · 622 Disposed
Jan. 2, 2026 KOP Restricted Stock Units Common Stock (3,074) · · 3,074 Acquired
Jan. 2, 2026 KOP Restricted Stock Units Common Stock (3,426) · · 3,426 Acquired
Jan. 2, 2026 KOP Dividend Equivalent Rights Common Stock (107) · · 107 Acquired
Dec. 16, 2025 KOP Dividend Equivalent Rights Common Stock (522) · · 522 Acquired
Jan. 3, 2025 KOP Diidend Equivalent Rights Common Stock (523) · · 523 Disposed
Jan. 3, 2025 KOP Restricted Stock Units Common Stock (17,146) · · 17,146 Disposed
Jan. 3, 2025 KOP Dividend Equivalent Rights Common Stock (182) · · 182 Acquired
Jan. 3, 2025 KOP Restricted Stock Units Common Stock (3,838) · · 3,838 Acquired
Jan. 3, 2025 KOP Restricted Stock Units Common Stock (6,565) · · 6,565 Acquired
Dec. 16, 2024 KOP Dividend Equivalent Rights Common Stock (304) · · 304 Acquired
March 5, 2024 KOP Employee Stock Options (Rights to Buy Common Stock (5,779) $32.19 Jan. 4, 2032 5,779 Disposed
March 5, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (10,112) $29.84 Jan. 4, 2031 10,112 Disposed
March 5, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (6,959) $19.63 March 3, 2030 6,959 Disposed
March 5, 2024 KOP Emplooyee Stoock Options (Rights to Buy) Common Stock (8,680) $41.60 March 2, 2028 8,680 Disposed
March 5, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (5,677) $44.10 March 3, 2027 5,677 Disposed
March 4, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (100) $32.19 Jan. 4, 2032 100 Disposed
March 4, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (200) $29.84 Jan. 4, 2031 200 Disposed
March 4, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (200) $19.63 March 3, 2030 200 Disposed
March 4, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (100) $41.60 March 2, 2028 100 Disposed
March 4, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (100) $44.10 March 3, 2027 100 Disposed
March 1, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (1,445) $32.19 Jan. 4, 2032 1,445 Disposed
March 1, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (3,937) $29.84 Jan. 4, 2031 3,937 Disposed
March 1, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (1,728) $19.63 March 3, 2030 1,728 Disposed
March 1, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (2,229) $41.60 March 2, 2028 2,229 Disposed
March 1, 2024 KOP Employee Stock Options (Rights to Buy) Common Stock (1,375) $44.10 March 3, 2027 1,375 Disposed
March 1, 2024 KOP Dividend Equivalent Rights Common Stock (35) · · 35 Disposed
Jan. 5, 2024 KOP Dividend Equivalent Rights Common Stock (301) · · 301 Disposed
Jan. 5, 2024 KOP Restricted Stock Units Common Stock (15,868) · · 15,868 Disposed
Jan. 4, 2024 KOP Dividend Equivalent Rights Common Stock (263) · · 263 Acquired
Jan. 4, 2024 KOP Restricted Stock Units Common Stock (5,530) · · 5,530 Acquired
Jan. 4, 2024 KOP Restricted Stock Units Common Stock (8,645) · · 8,645 Acquired
Jan. 4, 2024 KOP Restricted Stock Units Common Stock (8,077) · · 8,077 Acquired
Dec. 14, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (594) $19.63 March 3, 2030 594 Disposed
Dec. 13, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (21,886) $19.63 March 3, 2030 21,886 Disposed
Dec. 12, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (397) $19.63 March 3, 2030 397 Disposed
Dec. 12, 2023 KOP Dividend Equivalent Rights Common Stock (242) · · 242 Acquired
Dec. 11, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (3,781) $19.63 March 3, 2030 3,781 Disposed
Dec. 8, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (15,901) $26.63 March 6, 2029 15,901 Disposed
Dec. 7, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (14,542) $18.11 March 1, 2026 14,542 Disposed
Dec. 6, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (2,067) $18.11 March 1, 2026 2,067 Disposed
Dec. 5, 2023 KOP Employee Stock Options (Rights to Buy) Common Stock (23,437) $17.57 March 3, 2025 23,437 Disposed
March 6, 2023 KOP Dividend Equivalent Rights Common Stock (8) · · 8 Disposed
March 3, 2023 KOP Dividend Equivalent Rights Common Stock (19) · · 19 Disposed
Jan. 5, 2023 KOP Dividend Equivalent Rights Common Stock (26) · · 26 Disposed
Jan. 5, 2023 KOP Restricted Stock Units Common Stock (3,106) · · 3,106 Acquired
Jan. 5, 2023 KOP Restricted Stock Units Common Stock (1,936) · · 1,936 Acquired
Jan. 5, 2023 KOP Dividend Equivalent Rights Common Stock (36) · · 36 Acquired
Jan. 3, 2023 KOP Dividend Equivalent Rights Common Stock (172) · · 172 Acquired
March 4, 2022 KOP Restricted Stock Units Common Stock (20,581) · · 20,581 Disposed
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (4,685) · · 4,685 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (5,561) · · 5,561 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (4,490) · · 4,490 Acquired
Jan. 5, 2022 KOP Restricted Stock Units Common Stock (5,320) · · 5,320 Acquired
Jan. 4, 2022 KOP Employee Stock Options (Right to Buy) Common Stock (14,648) $32.19 Jan. 4, 2032 14,648 Acquired
March 3, 2021 KOP Restricted Stock Units Common Stock (484) · · 484 Disposed
Feb. 16, 2021 KOP Restricted Stock Units Common Stock (7,510) · · 7,510 Acquired
Jan. 4, 2021 KOP Employee Stock Options (Right to Buy) Common Stock (18,999) $29.84 Jan. 4, 2031 18,999 Acquired
March 3, 2020 KOP Restricted Stock Units Common Stock (4,838) · · 4,838 Disposed
March 3, 2020 KOP Restricted Stock Units Common Stock (484) · · 484 Disposed
March 3, 2020 KOP Employee Stock Options (Right to Buy) Common Stock (35,545) $19.63 March 3, 2030 35,545 Acquired
Feb. 11, 2020 KOP Restricted Stock Units Common Stock (7,510) · · 7,510 Acquired
Feb. 11, 2020 KOP Restricted Stock Units Common Stock (4,838) · · 4,838 Acquired
Feb. 11, 2020 KOP Restricted Stock Units Common Stock (7,510) · · 7,510 Acquired
Feb. 11, 2020 KOP Restricted Stock Units Common Stock (4,838) · · 4,838 Acquired
March 6, 2019 KOP Employee Stock Options (Rights to Buy) Common Stock (15,901) $26.63 March 6, 2029 15,901 Acquired
March 1, 2019 KOP Restricted Stock Units Common Stock (484) · · 484 Acquired
March 2, 2018 KOP Restricted Stock Units Common Stock (483) · · 483 Acquired
March 2, 2018 KOP Employee Stock Options (Rights to Buy) Common Stock (11,009) $41.60 March 2, 2028 11,009 Acquired
March 3, 2017 KOP Employee Stock Options (Rights to Buy) Common Stock (7,152) $44.10 March 2, 2027 7,152 Acquired
March 3, 2017 KOP Restricted Stock Units Common Stock (1,935) · · 1,935 Acquired
March 1, 2016 KOP Employee Stock Options (Rights to Buy Common Stock (16,609) $18.11 March 1, 2026 16,609 Acquired
March 3, 2015 KOP Employee Stock Options (Rights to Buy) Common Stock (23,437) $17.57 March 3, 2025 23,437 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
May 1, 2014 KOP Common Stock [F1] 1,946 Direct

Compensation (DEF 14A)

08

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

KOP

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 · · · · · · · ·
2023 $583,577 · $1,287,777 · $741,600 · $112,050 $2,725,004
2022 $532,538 · $980,515 · $403,760 $858 $76,109 $2,251,292

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