SEC Form 4 · Updated Daily
TECH
— BIO-TECHNE CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Kummeth Charles R. | Director | 1,286,944 | 2023-08-15 | M |
| OLAND THOMAS E | Director · Officer | 1,177,420 | 2011-11-30 | G |
| Hippel James | Officer | 174,493 | 2026-08-15 | M |
| Kelderman Kim | Director | 93,583 | 2026-08-15 | M |
| HIGGINS JOHN L | Director | 82,816 | 2026-09-28 | M |
| OCONNELL HOWARD V | Director | 75,000 | 2015-02-19 | M |
| BAUMGARTNER ROBERT V | Director | 62,443 | 2026-09-22 | M |
| Nusse Roeland | Director | 61,599 | 2025-08-25 | M |
| VERONNEAU MARCEL | Officer | 34,989 | 2015-06-08 | M |
| Furlow Brenda S. | Officer | 33,542 | 2022-12-08 | M |
| Eansor Norman David | Officer | 28,477 | 2021-11-12 | M |
| Geist William | Officer | 26,919 | 2026-08-15 | M |
| STEER RANDOLPH C | Director | 24,201 | 2023-10-26 | A |
| KEEGAN JOSEPH D | Director | 15,411 | 2025-10-30 | A |
| Seth Alpna | Director | 15,411 | 2025-10-30 | A |
| Dinarello Charles A | Director | 13,212 | 2018-08-08 | M |
| Crouse Steven C. | Officer | 12,184 | 2026-08-15 | M |
| Bohnen Shane | Officer | 11,703 | 2026-08-15 | M |
| Vessey Rupert | Director | 10,987 | 2025-10-30 | A |
| McManus Matthew | Officer | 9,356 | 2026-02-01 | M |
| WIENS HAROLD J | Director | 8,828 | 2020-05-29 | M |
| Bushman Julie L | Director | 8,775 | 2025-10-30 | A |
| Klimovsky Judith V. | Director | 3,782 | 2025-10-30 | A |
| REAGAN KEVIN J | Officer | 2,591 | 2014-12-09 | M |
| LUCAS ROGER C | Director | 1,870 | 2017-10-10 | S |
| Gavin Robert M. | Officer | 1,667 | 2017-02-01 | M |
| MELSEN GREGORY J | Officer | 1,438 | 2012-12-18 | M |
| Gould Kevin S | Officer | 1,355 | 2017-07-09 | F |
| HOLBROOK KAREN A | Director | 914 | 2017-09-06 | S |
| Herr Amy E. | Director | 789 | 2026-08-15 | M |
| TSANG MONICA | Officer | 0 | 2007-05-03 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-28 | HIGGINS JOHN L | Option exercise (derivative) | 15,940 | $0.00 | 0 |
| 2026-09-28 | HIGGINS JOHN L | Tax withholding | 5,562 | $72.51 | 77,254 |
| 2026-09-28 | HIGGINS JOHN L | Option exercise | 15,940 | $0.00 | 82,816 |
| 2026-09-22 | BAUMGARTNER ROBERT V | Option exercise (derivative) | 15,940 | $0.00 | 0 |
| 2026-09-22 | BAUMGARTNER ROBERT V | Tax withholding | 5,559 | $72.55 | 56,884 |
| 2026-09-22 | BAUMGARTNER ROBERT V | Option exercise | 15,940 | $0.00 | 62,443 |
| 2026-08-17 | Crouse Steven C. | Grant / award (derivative) | 14,140 | $0.00 | 14,140 |
| 2026-08-17 | Crouse Steven C. | Grant / award (derivative) | 8,702 | $0.00 | 8,702 |
| 2026-08-17 | Geist William | Grant / award (derivative) | 23,985 | $0.00 | 23,985 |
| 2026-08-17 | Geist William | Grant / award (derivative) | 14,762 | $0.00 | 14,762 |
| 2026-08-17 | Herr Amy E. | Grant / award (derivative) | 1,381 | $0.00 | 1,381 |
| 2026-08-17 | Hippel James | Grant / award (derivative) | 36,459 | $0.00 | 36,459 |
| 2026-08-17 | Hippel James | Grant / award (derivative) | 22,438 | $0.00 | 22,438 |
| 2026-08-17 | Kelderman Kim | Grant / award (derivative) | 93,582 | $0.00 | 93,582 |
| 2026-08-17 | Kelderman Kim | Grant / award (derivative) | 57,590 | $0.00 | 57,590 |
| 2026-08-17 | Bohnen Shane | Grant / award (derivative) | 18,432 | $0.00 | 18,432 |
| 2026-08-17 | Bohnen Shane | Grant / award (derivative) | 11,344 | $0.00 | 11,344 |
| 2026-08-15 | Herr Amy E. | Option exercise (derivative) | 311 | $0.00 | 621 |
| 2026-08-15 | Herr Amy E. | Option exercise (derivative) | 160 | $0.00 | 160 |
| 2026-08-15 | Herr Amy E. | Option exercise (derivative) | 118 | $0.00 | 0 |
| 2026-08-15 | Herr Amy E. | Tax withholding | 213 | $72.40 | 576 |
| 2026-08-15 | Herr Amy E. | Option exercise | 589 | $0.00 | 789 |
| 2026-08-15 | Crouse Steven C. | Option exercise (derivative) | 2,176 | $0.00 | 4,353 |
| 2026-08-15 | Crouse Steven C. | Option exercise (derivative) | 1,868 | $0.00 | 1,869 |
| 2026-08-15 | Crouse Steven C. | Option exercise (derivative) | 1,379 | $0.00 | 0 |
| 2026-08-15 | Crouse Steven C. | Tax withholding | 1,947 | $72.40 | 10,237 |
| 2026-08-15 | Crouse Steven C. | Option exercise | 5,423 | $0.00 | 12,184 |
| 2026-08-15 | Bohnen Shane | Option exercise (derivative) | 2,332 | $0.00 | 4,664 |
| 2026-08-15 | Bohnen Shane | Option exercise (derivative) | 1,669 | $0.00 | 1,669 |
| 2026-08-15 | Bohnen Shane | Disposition to issuer (derivative) | 4,502 | $0.00 | 0 |
| 2026-08-15 | Bohnen Shane | Option exercise (derivative) | 300 | $0.00 | 4,502 |
| 2026-08-15 | Bohnen Shane | Disposition to issuer (derivative) | 12,117 | $0.00 | 807 |
| 2026-08-15 | Bohnen Shane | Option exercise (derivative) | 49 | $0.00 | 0 |
| 2026-08-15 | Bohnen Shane | Tax withholding | 1,343 | $72.40 | 10,360 |
| 2026-08-15 | Bohnen Shane | Option exercise | 4,350 | $0.00 | 11,703 |
| 2026-08-15 | Geist William | Option exercise (derivative) | 3,226 | $0.00 | 6,452 |
| 2026-08-15 | Geist William | Option exercise (derivative) | 2,623 | $0.00 | 2,623 |
| 2026-08-15 | Geist William | Disposition to issuer (derivative) | 22,898 | $0.00 | 1,526 |
| 2026-08-15 | Geist William | Disposition to issuer (derivative) | 8,507 | $0.00 | 0 |
| 2026-08-15 | Geist William | Option exercise (derivative) | 567 | $0.00 | 8,507 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.