Charles R. Kummeth
Director, SPARTON CORP.
Companies
- Quantum-Si IncBoard member May 30, 2024 to now1
- Orthofix Medical Inc.Board member Dec 20, 2023 to now2
- Gentherm IncorporatedBoard member Aug 1, 2018 to now3
- Bio-TechneBoard member Apr 2, 2013 to Aug 17, 20234
- Bio-TechneChief executive officer Apr 2, 2013 to Aug 17, 20234
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- Bio-Techne TECH1,278,669 shares5$92.7M at $72.53Aug 17, 2023
- Quantum-Si Inc QSI855,000 shares6$1.1M at $1.31May 20, 2026
Gentherm Incorporated THRM25,937 shares7$773.2K at $29.81May 14, 2026- Orthofix Medical Inc. OFIX76,305 shares8$731.8K at $9.59Jun 10, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Jun 10, 2026Granted 14,965 shares of Orthofix Medical Inc.8
- May 14, 2026Granted 4,292 shares of Gentherm Incorporated7
- Mar 5, 2026Bought 500,000 shares at $0.92 of Quantum-Si Inc9
- Jun 18, 2025Granted 18,841 shares of Orthofix Medical Inc.10
- May 8, 2025Granted 5,075 shares of Gentherm Incorporated11
- Aug 12, 2024Bought 31,100 shares at $0.89 of Quantum-Si Inc12
- Aug 9, 2024Bought 138,900 shares at $0.87 of Quantum-Si Inc12
- Jun 18, 2024Granted 15,152 shares at $12.87 of Orthofix Medical Inc.13
- May 16, 2024Granted 2,662 shares of Gentherm Incorporated14
- Jan 31, 2024Granted 8,350 shares at $13.89 of Orthofix Medical Inc.15
- Aug 15, 2023Shares withheld for tax 8,675 shares at $84.61 of Bio-Techne5
- Aug 15, 2023Exercised options 17,632 shares of Bio-Techne5
- Aug 9, 2023Gift 9,008 shares of Bio-Techne16
- Aug 5, 2023Shares withheld for tax 31,962 shares at $82.17 of Bio-Techne17
- Aug 5, 2023Exercised options 51,516 shares of Bio-Techne17
- Jul 21, 2023Sold 80,000 shares at $88.36 of Bio-Techne18
- Jun 30, 2023Shares withheld for tax 390,727 shares at $81.63 of Bio-Techne19
- Jun 30, 2023Exercised options 616,676 shares at $26.65 of Bio-Techne19
- Jun 7, 2023Sold 322 shares at $83.00 of Bio-Techne20
- May 18, 2023Granted 2,147 shares of Gentherm Incorporated21
- Jan 4, 2023Shares withheld for tax 255,837 shares at $84.39 of Bio-Techne22
- Jan 4, 2023Exercised options 407,364 shares at $26.65 of Bio-Techne22
- Aug 7, 2022Shares withheld for tax 11,557 shares at $382.97 of Bio-Techne23
- Aug 7, 2022Exercised options 16,918 shares of Bio-Techne23
- Jul 28, 2022Shares withheld for tax 27,707 shares at $380.76 of Bio-Techne24
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARQuantum-Si Inc, Board member
- 2SEC EDGAROrthofix Medical Inc., Board member
- 3SEC EDGARGentherm Incorporated, Board member
- 4SEC EDGARBio-Techne, Board member
- 5
- 6
- 7
- 8
- 9SEC EDGARForm 4 filed Mar 9, 2026
- 10SEC EDGARForm 4 filed Jun 23, 2025
- 11SEC EDGARForm 4 filed May 9, 2025
- 12SEC EDGARForm 4 filed Aug 13, 2024
- 13SEC EDGARForm 4 filed Jun 20, 2024
- 14SEC EDGARForm 4 filed May 20, 2024
- 15SEC EDGARForm 4 filed Mar 12, 2024
- 16SEC EDGARForm 4 filed Aug 11, 2023
- 17SEC EDGARForm 4 filed Aug 8, 2023
- 18SEC EDGARForm 4 filed Jul 25, 2023
- 19SEC EDGARForm 4 filed Jul 5, 2023
- 20SEC EDGARForm 4 filed Jun 9, 2023
- 21SEC EDGARForm 4 filed May 22, 2023
- 22SEC EDGARForm 4 filed Jan 6, 2023
- 23SEC EDGARForm 4 filed Aug 9, 2022
- 24SEC EDGARForm 4 filed Aug 1, 2022