Koppers Holdings Inc. - KOP

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Mar 25, 2026 A A 5.27 0.0 0.0 89.33 View
Mar 25, 2026 A A 50.0 0.0 0.0 84.06 View
Mar 25, 2026 A A 50.0 0.0 0.0 50.0 View
Mar 25, 2026 A A 29.91 0.0 0.0 377.83 View
Mar 25, 2026 A A 50.0 0.0 0.0 347.92 View
Mar 25, 2026 A A 25.35 0.0 0.0 325.5 View
Mar 25, 2026 A A 50.0 0.0 0.0 300.15 View
Mar 25, 2026 A A 50.0 0.0 0.0 50.0 View
Mar 25, 2026 A A 25.35 0.0 0.0 325.5 View
Mar 25, 2026 A A 50.0 0.0 0.0 300.15 View
Mar 25, 2026 A A 11.0 0.0 0.0 11.0 View
Mar 25, 2026 A A 50.0 0.0 0.0 50.0 View
Mar 18, 2026 CEO G D 1,200.0 0.0 0.0 446,259.4 View
Mar 18, 2026 CEO S D 2,489.0 37.91 94,357.99 447,459.4 View
Mar 04, 2026 CEO G D 325.0 0.0 0.0 449,948.4 View
Mar 04, 2026 CEO S D 3,763.0 37.02 139,306.26 450,273.4 View
Mar 04, 2026 CEO S D 328.0 37.45 12,283.6 454,036.4 View
Mar 04, 2026 CEO S D 2,184.0 36.53 79,781.52 454,364.4 View
Mar 03, 2026 SVP, Culture and Engagement M D 127.0 0.0 0.0 102.0 View
Mar 03, 2026 SVP, Culture and Engagement A A 127.0 0.0 0.0 229.0 View
Mar 03, 2026 SVP, Culture and Engagement F D 2,536.0 37.24 94,440.64 35,653.0 View
Mar 03, 2026 SVP, Culture and Engagement M A 127.0 0.0 0.0 38,189.0 View
Mar 03, 2026 SVP, Culture and Engagement A A 5,298.0 0.0 0.0 38,062.0 View
Mar 02, 2026 Interim CFO and CAO M D 82.0 0.0 0.0 67.0 View
Mar 02, 2026 Interim CFO and CAO A A 82.0 0.0 0.0 149.0 View
Mar 02, 2026 Interim CFO and CAO F D 1,465.0 37.24 54,556.6 38,037.0 View
Mar 02, 2026 Interim CFO and CAO M A 82.0 0.0 0.0 39,502.0 View
Mar 02, 2026 Interim CFO and CAO A A 3,474.0 0.0 0.0 39,420.0 View
Mar 02, 2026 VP, Information Technology M D 53.0 0.0 0.0 33.0 View
Mar 02, 2026 VP, Information Technology A A 53.0 0.0 0.0 86.0 View
Mar 02, 2026 VP, Information Technology F D 1,021.0 37.24 38,022.04 17,198.75 View
Mar 02, 2026 VP, Information Technology M A 53.0 0.0 0.0 18,219.75 View
Mar 02, 2026 VP, Information Technology A A 2,303.0 0.0 0.0 18,166.75 View
Mar 02, 2026 SVP, Culture and Engagement M D 127.0 0.0 0.0 102.0 View
Mar 02, 2026 SVP, Culture and Engagement A A 127.0 0.0 0.0 229.0 View
Mar 02, 2026 SVP, Culture and Engagement F D 2,536.0 37.24 94,440.64 35,653.0 View
Mar 02, 2026 SVP, Culture and Engagement M A 127.0 0.0 0.0 38,189.0 View
Mar 02, 2026 SVP, Culture and Engagement A A 5,298.0 0.0 0.0 38,062.0 View
Mar 02, 2026 President and CTO M D 466.0 0.0 0.0 294.0 View
Mar 02, 2026 President and CTO A A 466.0 0.0 0.0 760.0 View
Mar 02, 2026 President and CTO F D 8,589.0 37.24 319,854.36 170,397.74 View
Mar 02, 2026 President and CTO M A 466.0 0.0 0.0 178,986.74 View
Mar 02, 2026 President and CTO A A 19,264.0 0.0 0.0 178,520.74 View
Mar 02, 2026 Chief Legal&Sus Officer & Sec. M D 174.0 0.0 0.0 148.0 View
Mar 02, 2026 Chief Legal&Sus Officer & Sec. A A 174.0 0.0 0.0 322.0 View
Mar 02, 2026 Chief Legal&Sus Officer & Sec. F D 3,149.0 37.24 117,268.76 63,150.0 View
Mar 02, 2026 Chief Legal&Sus Officer & Sec. M A 174.0 0.0 0.0 66,299.0 View
Mar 02, 2026 Chief Legal&Sus Officer & Sec. A A 7,223.0 0.0 0.0 66,125.0 View
Mar 02, 2026 CEO M D 1,215.0 0.0 0.0 454.0 View
Mar 02, 2026 CEO A A 1,215.0 0.0 0.0 1,669.0 View
Mar 02, 2026 CEO F D 22,236.0 37.24 828,068.64 456,548.4 View
Mar 02, 2026 CEO M A 1,215.0 0.0 0.0 478,784.4 View
Mar 02, 2026 CEO A A 50,025.0 0.0 0.0 477,569.4 View
Feb 19, 2026 CEO M D 30,728.0 0.0 0.0 0.0 View
Feb 19, 2026 CEO F D 22,282.0 35.06 781,206.92 427,544.4 View
Feb 19, 2026 CEO M A 30,728.0 18.11 556,484.08 449,826.4 View
Feb 12, 2026 CEO M D 30,000.0 0.0 0.0 30,728.0 View
Feb 12, 2026 CEO F D 22,241.0 33.2 738,401.2 419,098.4 View
Feb 12, 2026 CEO M A 30,000.0 18.11 543,300.0 441,339.4 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. M D 240.0 0.0 0.0 148.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. M D 4,666.0 0.0 0.0 0.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. A A 39.0 0.0 0.0 388.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. A A 1,335.0 0.0 0.0 1,335.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. A A 1,153.0 0.0 0.0 4,666.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. F D 5,757.0 26.93 155,036.01 58,902.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. M A 240.0 0.0 0.0 64,659.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. M A 4,666.0 64,419.0 View
Jan 06, 2026 Chief Legal&Sus Officer & Sec. A A 9,876.0 0.0 0.0 59,753.0 View
Jan 06, 2026 CEO M D 2,056.0 0.0 0.0 454.0 View
Jan 06, 2026 CEO M D 64,634.0 0.0 0.0 0.0 View
Jan 06, 2026 CEO A A 519.0 0.0 0.0 2,510.0 View
Jan 06, 2026 CEO A A 12,360.0 0.0 0.0 12,360.0 View
Jan 06, 2026 CEO A A 15,972.0 0.0 0.0 64,634.0 View
Jan 06, 2026 CEO F D 39,811.0 26.93 1,072,110.23 411,339.4 View
Jan 06, 2026 CEO M A 2,056.0 0.0 0.0 451,150.4 View
Jan 06, 2026 CEO M A 64,634.0 449,094.4 View
Jan 06, 2026 CEO A A 27,152.0 0.0 0.0 384,460.4 View
Jan 06, 2026 VP, Information Technology M D 85.0 0.0 0.0 33.0 View
Jan 06, 2026 VP, Information Technology M D 1,489.0 0.0 0.0 0.0 View
Jan 06, 2026 VP, Information Technology A A 10.0 0.0 0.0 118.0 View
Jan 06, 2026 VP, Information Technology A A 316.0 0.0 0.0 316.0 View
Jan 06, 2026 VP, Information Technology A A 368.0 0.0 0.0 1,489.0 View
Jan 06, 2026 VP, Information Technology F D 2,032.0 26.93 54,721.76 15,863.75 View
Jan 06, 2026 VP, Information Technology M A 85.0 0.0 0.0 17,895.75 View
Jan 06, 2026 VP, Information Technology M A 1,489.0 17,810.75 View
Jan 06, 2026 VP, Information Technology A A 2,396.0 0.0 0.0 16,321.75 View
Jan 06, 2026 SVP, Culture and Engagement M D 156.0 0.0 0.0 102.0 View
Jan 06, 2026 SVP, Culture and Engagement M D 3,421.0 0.0 0.0 0.0 View
Jan 06, 2026 SVP, Culture and Engagement A A 24.0 0.0 0.0 258.0 View
Jan 06, 2026 SVP, Culture and Engagement A A 722.0 0.0 0.0 722.0 View
Jan 06, 2026 SVP, Culture and Engagement A A 846.0 0.0 0.0 3,421.0 View
Jan 06, 2026 SVP, Culture and Engagement F D 4,417.0 26.93 118,949.81 32,764.0 View
Jan 06, 2026 SVP, Culture and Engagement M A 156.0 0.0 0.0 37,181.0 View
Jan 06, 2026 SVP, Culture and Engagement M A 3,421.0 37,025.0 View
Jan 06, 2026 SVP, Culture and Engagement A A 6,692.0 0.0 0.0 33,604.0 View
Jan 06, 2026 President and CTO M D 622.0 0.0 0.0 294.0 View
Jan 06, 2026 President and CTO M D 12,442.0 0.0 0.0 0.0 View
Jan 06, 2026 President and CTO A A 107.0 0.0 0.0 916.0 View
Jan 06, 2026 President and CTO A A 3,426.0 0.0 0.0 3,426.0 View
Jan 06, 2026 President and CTO A A 3,074.0 0.0 0.0 12,442.0 View
Jan 06, 2026 President and CTO F D 13,658.0 26.93 367,809.94 159,256.74 View
Jan 06, 2026 President and CTO M A 622.0 0.0 0.0 172,914.74 View
Jan 06, 2026 President and CTO M A 12,442.0 172,292.74 View
Jan 06, 2026 President and CTO A A 21,724.0 0.0 0.0 159,850.74 View
Jan 06, 2026 Chief Financial Officer M D 240.0 0.0 0.0 126.0 View
Jan 06, 2026 Chief Financial Officer M D 4,860.0 0.0 0.0 0.0 View
Jan 06, 2026 Chief Financial Officer A A 38.0 0.0 0.0 366.0 View
Jan 06, 2026 Chief Financial Officer A A 1,210.0 0.0 0.0 1,210.0 View
Jan 06, 2026 Chief Financial Officer A A 1,201.0 0.0 0.0 4,860.0 View
Jan 06, 2026 Chief Financial Officer F D 5,694.0 26.93 153,339.42 41,050.0 View
Jan 06, 2026 Chief Financial Officer M A 240.0 0.0 0.0 46,744.0 View
Jan 06, 2026 Chief Financial Officer M A 4,860.0 46,504.0 View
Jan 06, 2026 Chief Accounting Officer M D 104.0 0.0 0.0 67.0 View
Jan 06, 2026 Chief Accounting Officer A A 3.0 0.0 0.0 171.0 View
Jan 06, 2026 Chief Accounting Officer A A 357.0 0.0 0.0 357.0 View
Jan 06, 2026 Chief Accounting Officer F D 2,470.0 26.93 66,517.1 35,946.0 View
Jan 06, 2026 Chief Accounting Officer M A 104.0 0.0 0.0 38,416.0 View
Jan 06, 2026 Chief Accounting Officer A A 7,128.0 0.0 0.0 38,312.0 View
Dec 17, 2025 A A 28.34 0.0 0.0 250.15 View
Dec 17, 2025 A A 33.44 0.0 0.0 297.92 View
Dec 17, 2025 A A 5.89 0.0 0.0 34.06 View
Dec 17, 2025 A A 28.34 0.0 0.0 250.15 View
Dec 17, 2025 Chief Financial Officer A A 222.0 0.0 0.0 328.0 View
Dec 17, 2025 SVP, Culture and Engagement A A 169.0 0.0 0.0 234.0 View
Dec 17, 2025 Chief Accounting Officer A A 113.0 0.0 0.0 168.0 View
Dec 17, 2025 VP, Information Technology A A 67.0 0.0 0.0 108.0 View
Dec 17, 2025 President and CTO A A 522.0 0.0 0.0 809.0 View
Dec 17, 2025 Chief Legal&Sus Officer & Sec. A A 245.0 0.0 0.0 349.0 View
Dec 17, 2025 CEO A A 1,087.0 0.0 0.0 1,991.0 View
Nov 07, 2025 A A 2,240.0 0.0 0.0 2,240.0 View