ALB's three largest insider shareholders as of September 09, 2026 are J Kent Masters (Chairman Ceo, 103.91K shares), J Kent Masters (Chairman Ceo, 87.52K shares), J Kent Masters (Chairman Ceo, 87.52K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | J Kent Masters | Chairman Ceo | 87,519 | 0 | 87,519 | 19.2% | 19 May, 2026 |
| 2 | Scott Tozier | Evp Cfo | 69,503 | 0 | 69,503 | 15.3% | 06 Mar, 2023 |
| 3 | Eric Norris | Chief Commercial Officer | 53,443 | 0 | 53,443 | 11.7% | 04 Mar, 2026 |
| 4 | Raphael Goszcz Crawford | President, Catalysts | 22,117 | 0 | 22,117 | 4.9% | 02 Mar, 2023 |
| 5 | Neal Ravi Sheorey | Chief Financial Officer | 20,931 | 0 | 20,931 | 4.6% | 04 Mar, 2026 |
| 6 | Mark Richard Mummert | Chief Supply Chain Officer | 17,515 | 0 | 17,515 | 3.8% | 04 Mar, 2026 |
| 7 | Jacobus G. Fourie | Chief Capital Projects Officer | 16,517 | 0 | 16,517 | 3.6% | 01 Mar, 2024 |
| 8 | Karen G Narwold | Evp, Chief Admin Officer | 15,013 | 0 | 15,013 | 3.3% | 02 Mar, 2023 |
| 9 | Cynthia Renee Lima | Svp, Ext. Affairs Comm. | 14,438 | 0 | 14,438 | 3.2% | 04 Mar, 2026 |
| 10 | Melissa H. Anderson | Chief Bus..Transformation Off. | 14,002 | 0 | 14,002 | 3.1% | 04 Mar, 2026 |
| 11 | Gerald A Steiner | Director | 13,232 | 0 | 13,232 | 2.9% | 06 Jul, 2026 |
| 12 | Ander C. Krupa | General Counsel Sec | 13,184 | 0 | 13,184 | 2.9% | 04 Mar, 2026 |
| 13 | Alejandro Daniel Wolff | Director | 13,044 | 0 | 13,044 | 2.9% | 06 Jul, 2026 |
| 14 | Dean Seavers | Director | 12,021 | 0 | 12,021 | 2.6% | 03 Jul, 2025 |
| 15 | Donald J. Jr. Labauve | Vp, Corporate Controller Cao | 10,402 | 0 | 10,402 | 2.3% | 04 Mar, 2026 |
| 16 | Stacy Goto Grant | General Counsel Sec | 9,542 | 0 | 9,542 | 2.1% | 03 Mar, 2025 |
| 17 | Diarmuid B. Oconnell | Director | 8,626 | 0 | 8,626 | 1.9% | 06 Jul, 2026 |
| 18 | James J /Ky Obrien | Director | 8,085 | 0 | 8,085 | 1.8% | 03 Jul, 2025 |
| 19 | Laurie Brlas | Director | 7,289 | 0 | 7,289 | 1.6% | 06 Jul, 2026 |
| 20 | Glenda J Minor | Director | 5,893 | 0 | 5,893 | 1.3% | 03 Jul, 2025 |
| 21 | Ralf Hans Cramer | Director | 5,723 | 0 | 5,723 | 1.3% | 06 Jul, 2026 |
| 22 | Autumn M. Gagarinas | Chief People Officer | 5,393 | 0 | 5,393 | 1.2% | 04 Mar, 2026 |
| 23 | John Clarence Iii Barichivich | Vp, Controller Cao | 4,743 | 0 | 4,743 | 1.0% | 14 May, 2024 |
| 24 | Kristin M. Coleman | Evp, General Counsel | 2,593 | 0 | 2,593 | 0.6% | 28 Feb, 2024 |
| 25 | Michelle T Collins | Director | 1,577 | 0 | 1,577 | 0.3% | 06 Jul, 2026 |
| 26 | Max Hood | Chief Accounting Officer | 1,476 | 0 | 1,476 | 0.3% | 03 Sep, 2026 |
| 27 | Bartolomeo Eduardo Desalles | Director | 1,375 | 0 | 1,375 | 0.3% | 23 Jul, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 21 Jul, 2026 | Bartolomeo Eduardo Desalles | Director | Acquired A | 1,375 | $0.00 | $0 | 1,375 | Direct |
| 01 Jul, 2026 | Ralf Hans Cramer | Director | Acquired A | 1,250 | $0.00 | $0 | 6,629 | Direct |
| 01 Jul, 2026 | Deursen Holly Van | Director | Acquired A | 1,250 | $0.00 | $0 | 10,028 | Direct |
| 01 Jul, 2026 | Alejandro Daniel Wolff | Director | Acquired A | 33 | $0.00 | $0 | 13,044 | Direct |
| 01 Jul, 2026 | Gerald A Steiner | Director | Acquired A | 1,250 | $0.00 | $0 | 13,196 | Direct |
| 01 Jul, 2026 | Diarmuid B. Oconnell | Director | Acquired A | 1,250 | $0.00 | $0 | 8,590 | Direct |
| 01 Jul, 2026 | Laurie Brlas | Director | Acquired A | 1,250 | $0.00 | $0 | 7,253 | Direct |
| 01 Jul, 2026 | Mark R Widmar | Director | Acquired A | 1,250 | $0.00 | $0 | 1,576 | Direct |
| 01 Jul, 2026 | Alejandro Daniel Wolff | Director | Acquired A | 1,250 | $0.00 | $0 | 7,590 | Direct |
| 01 Jul, 2026 | Diarmuid B. Oconnell | Director | Acquired A | 36 | $0.00 | $0 | 8,626 | Direct |
| 01 Jul, 2026 | Laurie Brlas | Director | Acquired A | 36 | $0.00 | $0 | 7,289 | Direct |
| 01 Jul, 2026 | Gerald A Steiner | Director | Acquired A | 36 | $0.00 | $0 | 13,232 | Direct |
| 01 Jul, 2026 | Ralf Hans Cramer | Director | Disposed F | 929 | $136.08 | $126.42K | 5,700 | Direct |
| 01 Jul, 2026 | Ralf Hans Cramer | Director | Acquired A | 36 | $0.00 | $0 | 5,736 | Direct |
| 01 Jul, 2026 | Ralf Hans Cramer | Director | Disposed F | 13 | $136.08 | $1.77K | 5,723 | Direct |
| 15 May, 2026 | J Kent Masters | Chairman Ceo | Disposed S | 3,826 | $183.12 | $700.62K | 100,086 | Direct |
| 15 May, 2026 | J Kent Masters | Chairman Ceo | Disposed S | 11,867 | $183.87 | $2.18Mn | 88,219 | Direct |
| 15 May, 2026 | J Kent Masters | Chairman Ceo | Disposed S | 700 | $184.52 | $129.16K | 87,519 | Direct |
| 01 Apr, 2026 | Alejandro Daniel Wolff | Director | Acquired A | 25 | $0.00 | $0 | 13,011 | Direct |
| 01 Apr, 2026 | Alejandro Daniel Wolff | Director | Acquired A | 25 | $0.00 | $0 | 13,011 | Direct |