As of March 23, 2026, the three largest insider holders of AMRZ are Jan Philipp Jenisch (Chairman Ceo, 1.70Mn shares), Jan Philipp Jenisch (Chairman Ceo, 505.00K shares), James J Gosa (President, Building Envelope, 55.64K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jan Philipp Jenisch | Chairman Ceo | 1,703,582 | 0 | 09 Mar, 2026 |
| Jan Philipp Jenisch | Chairman Ceo | 0 | 505,000 | 31 Oct, 2025 |
| James J Gosa | President, Building Envelope | 41,268 | 0 | 23 Mar, 2026 |
| Mario Gross | Chief Supply Chain Officer | 30,947 | 0 | 16 Mar, 2026 |
| Jaime Hill | President, Building Materials | 28,000 | 0 | 12 Mar, 2026 |
| Ian A Johnston | Chief Financial Officer | 25,110 | 0 | 11 Mar, 2026 |
| Jurg Amadeo Oleas | 21,073 | 0 | 13 Aug, 2025 | |
| Roald Brouwer | Chief Technology Officer | 18,257 | 0 | 16 Mar, 2026 |
| Nollaig Forrest | Chief Mktg Corp Affairs Off | 18,139 | 0 | 03 Mar, 2026 |
| Samuel Jonas Poletti | Chief Strategy Ma Officer | 7,645 | 0 | 03 Mar, 2026 |
| Stephen S Clark | Chief People Officer | 5,000 | 0 | 18 Aug, 2025 |
| Nicholas C Gangestad | 4,958 | 0 | 20 Nov, 2025 | |
| Denise R Singleton | Chief Legal Officer Corp Sec | 4,000 | 0 | 11 Aug, 2025 |
| Maria Cristina Alapag Wilbur | 3,148 | 0 | 13 Aug, 2025 | |
| Pellanda Katja Nicole Roth | 2,958 | 0 | 13 Aug, 2025 | |
| Theresa J Drew | 2,958 | 0 | 13 Aug, 2025 | |
| Dwight Audley Konrad Gibson | 2,958 | 0 | 13 Aug, 2025 | |
| Holli C. Ladhani | 2,958 | 0 | 13 Aug, 2025 | |
| Michael E Mckelvy | 2,958 | 0 | 13 Aug, 2025 | |
| Robert S. Rivkin | 2,958 | 0 | 13 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 21 Mar, 2026 | James J Gosa | Ordinary Shares | D | 14,541 | $52.56 | 41,268 | D | F |
| 13 Mar, 2026 | Roald Brouwer | Ordinary Shares | A | 2,000 | $54.88 | 18,257 | D | P |
| 13 Mar, 2026 | Mario Gross | Ordinary Shares | A | 2,000 | $55.39 | 29,747 | D | P |
| 13 Mar, 2026 | Mario Gross | Ordinary Shares | A | 1,200 | $55.13 | 30,947 | D | P |
| 12 Mar, 2026 | Jaime Hill | Ordinary Shares | A | 1,000 | $56.90 | 28,000 | D | P |
| 11 Mar, 2026 | Jaime Hill | Ordinary Shares | A | 1,000 | $58.91 | 27,000 | D | P |
| 10 Mar, 2026 | Ian A Johnston | Ordinary Shares | A | 4,250 | $58.94 | 25,110 | D | P |
| 11 Mar, 2026 | Roald Brouwer | Ordinary Shares | A | 3,000 | $58.72 | 16,257 | D | P |
| 09 Mar, 2026 | Jaime Hill | Ordinary Shares | A | 3,184 | $56.34 | 26,000 | D | P |
| 06 Mar, 2026 | Jan Philipp Jenisch | Ordinary Shares | A | 60,000 | $58.05 | 1,703,582 | D | P |
| 27 Feb, 2026 | Roald Brouwer | Ordinary Shares | A | 4,257 | $0.00 | 13,257 | D | A |
| 27 Feb, 2026 | Samuel Jonas Poletti | Ordinary Shares | A | 4,256 | $0.00 | 7,645 | D | A |
| 27 Feb, 2026 | Ian A Johnston | Ordinary Shares | A | 4,257 | $0.00 | 22,801 | D | A |
| 27 Feb, 2026 | Nollaig Forrest | Ordinary Shares | A | 11,157 | $0.00 | 22,820 | D | A |
| 27 Feb, 2026 | Jaime Hill | Ordinary Shares | A | 6,385 | $0.00 | 24,744 | D | A |
| 27 Feb, 2026 | Jan Philipp Jenisch | Ordinary Shares | A | 138,582 | $0.00 | 1,643,582 | D | A |
| 27 Feb, 2026 | Mario Gross | Ordinary Shares | A | 4,257 | $0.00 | 27,747 | D | A |
| 27 Feb, 2026 | Nollaig Forrest | Ordinary Shares | D | 4,681 | $64.99 | 18,139 | D | F |
| 27 Feb, 2026 | Jaime Hill | Ordinary Shares | D | 1,928 | $64.99 | 22,816 | D | F |
| 27 Feb, 2026 | Ian A Johnston | Ordinary Shares | D | 1,941 | $64.99 | 20,860 | D | F |