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
Jun 23, 2026 CEO S D 3,412.0 43.9 149,786.8 436,243.4 View
Jun 17, 2026 A A 34.07 0.0 0.0 411.89 View
Jun 17, 2026 A A 30.35 0.0 0.0 355.85 View
Jun 17, 2026 A A 20.66 0.0 0.0 296.16 View
Jun 17, 2026 A A 13.98 0.0 0.0 103.31 View
Jun 15, 2026 CEO G D 300.0 0.0 0.0 439,655.4 View
Jun 15, 2026 CEO S D 4,141.0 41.34 171,188.94 439,955.4 View
Jun 04, 2026 G D 5,695.0 0.0 0.0 26,489.0 View
May 27, 2026 CFO and Treasurer A A 6,620.0 0.0 0.0 6,620.0 View
May 14, 2026 Interim CFO and CAO A A 5,000.0 0.0 0.0 43,037.0 View
May 14, 2026 CEO S D 2,659.0 42.55 113,140.45 444,096.4 View
May 11, 2026 A A 3,280.0 0.0 0.0 13,198.0 View
May 11, 2026 M D 50.0 0.0 0.0 275.5 View
May 11, 2026 M A 50.0 0.0 0.0 22,044.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 17,976.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 10,137.0 View
May 11, 2026 M D 11.0 0.0 0.0 0.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 5,531.0 View
May 11, 2026 M A 11.0 0.0 0.0 2,251.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 32,184.0 View
May 11, 2026 M D 50.0 0.0 0.0 0.0 View
May 11, 2026 M A 50.0 0.0 0.0 83,834.0 View
May 11, 2026 M D 50.0 0.0 0.0 0.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 10,664.0 View
May 11, 2026 M A 50.0 0.0 0.0 7,384.0 View
May 11, 2026 M D 50.0 0.0 0.0 0.0 View
May 11, 2026 A A 3,280.0 0.0 0.0 35,339.1 View
May 11, 2026 M A 50.0 0.0 0.0 32,059.1 View
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