As of March 23, 2026, the three largest insider holders of TECH are Charles R. Kummeth (Chief Executive Officer, 1.28Mn shares), James Hippel (Cfo, 142.72K shares), John L Higgins (Director, 66.88K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Charles R. Kummeth | Chief Executive Officer | 1,278,269 | 0 | 17 Aug, 2023 |
| James Hippel | Cfo | 142,722 | 0 | 05 Nov, 2025 |
| John L Higgins | 66,876 | 0 | 03 Nov, 2025 | |
| Kim Kelderman | Chief Executive Officer | 48,665 | 0 | 05 Nov, 2025 |
| Robert V Baumgartner | 46,503 | 0 | 03 Nov, 2025 | |
| Roeland Nusse | 44,559 | 0 | 27 Aug, 2025 | |
| Brenda S. Furlow | Svp General Counsel | 26,092 | 0 | 09 Dec, 2022 |
| Randolph C Steer | 24,201 | 0 | 30 Oct, 2023 | |
| William Geist | President, Protein Sciences | 20,503 | 0 | 05 Nov, 2025 |
| Alpna Seth | 15,411 | 0 | 03 Nov, 2025 | |
| Joseph D Keegan | 15,411 | 0 | 03 Nov, 2025 | |
| Rupert Vessey | 10,987 | 0 | 03 Nov, 2025 | |
| Julie L Bushman | 8,775 | 0 | 03 Nov, 2025 | |
| Matthew Mcmanus | President Diag Spatial Bio | 7,691 | 0 | 03 Feb, 2026 |
| Shane Bohnen | Svp General Counsel | 4,385 | 0 | 19 Aug, 2025 |
| Judith V. Klimovsky | 3,782 | 0 | 03 Nov, 2025 | |
| Amy E. Herr | 2,680 | 0 | 03 Nov, 2025 | |
| Norman David Eansor | President Protein Sciences | 2,117 | 0 | 16 Nov, 2021 |
| Brenda S. Furlow | Svp General Counsel | 0 | 1,330 | 09 Aug, 2022 |
| Amy E. Herr | 0 | 200 | 19 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | Steven C. Crouse | Performance Restricted Stock Units | A | 2,387 | $0.00 | 2,387 | D | A |
| 02 Mar, 2026 | Steven C. Crouse | Restricted Stock Units | A | 735 | $0.00 | 735 | D | A |
| 02 Mar, 2026 | Steven C. Crouse | Stock Option (right to buy) | A | 1,911 | $0.00 | 1,911 | D | A |
| 17 Feb, 2026 | Amy E. Herr | Common Stock | D | 1,976 | $59.11 | 200 | I | S |
| 03 Feb, 2026 | Amy E. Herr | Common Stock | A | 38 | $0.00 | 2,192 | I | M |
| 03 Feb, 2026 | Amy E. Herr | Common Stock | D | 16 | $64.63 | 2,176 | I | F |
| 03 Feb, 2026 | Amy E. Herr | Restricted Stock Units | D | 38 | $0.00 | 77 | I | M |
| 01 Feb, 2026 | Matthew Mcmanus | Common Stock | A | 4,621 | $0.00 | 9,356 | D | M |
| 01 Feb, 2026 | Matthew Mcmanus | Common Stock | D | 1,665 | $64.09 | 7,691 | D | F |
| 01 Feb, 2026 | Matthew Mcmanus | Restricted Stock Units | D | 4,621 | $0.00 | 4,620 | D | M |
| 03 Nov, 2025 | Kim Kelderman | Common Stock | D | 2,303 | $62.57 | 48,665 | D | F |
| 03 Nov, 2025 | James Hippel | Common Stock | A | 13,159 | $0.00 | 143,042 | D | M |
| 03 Nov, 2025 | William Geist | Common Stock | A | 9,911 | $0.00 | 25,023 | D | M |
| 03 Nov, 2025 | James Hippel | Common Stock | A | 11,545 | $0.00 | 154,587 | D | M |
| 03 Nov, 2025 | William Geist | Common Stock | D | 4,520 | $62.57 | 20,503 | D | F |
| 03 Nov, 2025 | James Hippel | Common Stock | D | 11,865 | $62.57 | 142,722 | D | F |
| 03 Nov, 2025 | William Geist | Restricted Stock Units | D | 9,911 | $0.00 | 0 | D | M |
| 03 Nov, 2025 | James Hippel | Restricted Stock Units | D | 13,159 | $0.00 | 0 | D | M |
| 03 Nov, 2025 | James Hippel | Restricted Stock Units | D | 11,545 | $0.00 | 23,089 | D | M |
| 30 Oct, 2025 | Julie L Bushman | Common Stock | A | 1,640 | $0.00 | 8,775 | D | A |