As of May 14, 2026, the three largest insider holders of TECH are Charles R. Kummeth (Chief Executive Officer, 1.28Mn shares), James Hippel (Cfo, 148.62K 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 | 148,625 | 0 | 24 Apr, 2026 |
| John L Higgins | - | 66,876 | 0 | 03 Nov, 2025 |
| Kim Kelderman | Chief Executive Officer | 63,058 | 0 | 24 Apr, 2026 |
| 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 |
| Alpna Seth | - | 15,411 | 0 | 03 Nov, 2025 |
| Alpna Seth | - | 15,411 | 0 | 03 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 |
| Rupert Vessey | - | 10,987 | 0 | 03 Nov, 2025 |
| Rupert Vessey | - | 10,987 | 0 | 03 Nov, 2025 |
| Rupert Vessey | - | 10,987 | 0 | 03 Nov, 2025 |
| Julie L Bushman | - | 8,775 | 0 | 03 Nov, 2025 |
| Julie L Bushman | - | 8,775 | 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 |
| Matthew Mcmanus | President Diag Spatial Bio | 7,691 | 0 | 03 Feb, 2026 |
| Matthew Mcmanus | President Diag Spatial Bio | 7,691 | 0 | 03 Feb, 2026 |
| Matthew Mcmanus | President Diag Spatial Bio | 7,691 | 0 | 03 Feb, 2026 |
| Shane Bohnen | Svp General Counsel | 5,904 | 0 | 07 Apr, 2026 |
| Shane Bohnen | Svp General Counsel | 5,904 | 0 | 07 Apr, 2026 |
| Shane Bohnen | Svp General Counsel | 5,904 | 0 | 07 Apr, 2026 |
| Shane Bohnen | Svp General Counsel | 4,385 | 0 | 19 Aug, 2025 |
| Judith V. Klimovsky | - | 3,782 | 0 | 03 Nov, 2025 |
| Judith V. Klimovsky | - | 3,782 | 0 | 03 Nov, 2025 |
| Judith V. Klimovsky | - | 3,782 | 0 | 03 Nov, 2025 |
| Judith V. Klimovsky | - | 3,782 | 0 | 03 Nov, 2025 |
| Amy E. Herr | - | 2,680 | 0 | 03 Nov, 2025 |
| Amy E. Herr | - | 2,680 | 0 | 03 Nov, 2025 |
| Amy E. Herr | - | 2,680 | 0 | 03 Nov, 2025 |
| Amy E. Herr | - | 2,680 | 0 | 03 Nov, 2025 |
| Brenda S. Furlow | Svp General Counsel | 0 | 2,660 | 09 Aug, 2022 |
| Norman David Eansor | President Protein Sciences | 2,117 | 0 | 16 Nov, 2021 |
| Amy E. Herr | - | 0 | 200 | 19 Feb, 2026 |
| Amy E. Herr | - | 0 | 200 | 19 Feb, 2026 |
| Amy E. Herr | - | 0 | 200 | 19 Feb, 2026 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 22 Apr, 2026 | Kim Kelderman | Common Stock | A | 11,344 | $0.00 | 64,421 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | A | 62,000 | $0.00 | 204,722 | D | M |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | A | 11,344 | $0.00 | 64,421 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | A | 62,000 | $0.00 | 204,722 | D | M |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | A | 11,344 | $0.00 | 64,421 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | A | 62,000 | $0.00 | 204,722 | D | M |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | A | 11,344 | $0.00 | 64,421 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | A | 62,000 | $0.00 | 204,722 | D | M |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | A | 11,344 | $0.00 | 64,421 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | A | 62,000 | $0.00 | 204,722 | D | M |
| 22 Apr, 2026 | James Hippel | Common Stock | D | 56,097 | $58.58 | 148,625 | D | F |
| 22 Apr, 2026 | James Hippel | Common Stock | D | 56,097 | $58.58 | 148,625 | D | F |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | D | 1,363 | $58.58 | 63,058 | D | F |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | D | 1,363 | $58.58 | 63,058 | D | F |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | D | 1,363 | $58.58 | 63,058 | D | F |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | D | 1,363 | $58.58 | 63,058 | D | F |
| 22 Apr, 2026 | Kim Kelderman | Common Stock | D | 1,363 | $58.58 | 63,058 | D | F |
| 22 Apr, 2026 | James Hippel | Common Stock | D | 56,097 | $58.58 | 148,625 | D | F |
| 22 Apr, 2026 | James Hippel | Common Stock | D | 56,097 | $58.58 | 148,625 | D | F |
| 22 Apr, 2026 | James Hippel | Common Stock | D | 56,097 | $58.58 | 148,625 | D | F |