John M. Markovich

Companies

• D-Wave QuantumChief financial officer Aug 5, 2022 to Sep 22, 2026¹
• EMCORE CORPChief financial officer Jan 20, 2009 to Jul 29, 2009²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• DWD-Wave Quantum QBTS1,123,629 shares³$14.4M at $12.81Jul 14, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 14, 2026Shares withheld for tax 8,607 shares at $18.66 of D-Wave Quantum³
• Jun 15, 2026Shares withheld for tax 10,584 shares at $23.37 of D-Wave Quantum⁴
• Jun 15, 2026Sold 100,000 shares at $25.68 of D-Wave Quantum⁴
• Jun 15, 2026Sold 100,000 shares at $25.75 of D-Wave Quantum⁴
• Jun 12, 2026Sold 46,043 shares at $24.01 of D-Wave Quantum⁴
• Jun 9, 2026Sold 70 shares at $26.54 of D-Wave Quantum⁵
• Jun 8, 2026Sold 50,979 shares at $26.24 of D-Wave Quantum⁵
• Jun 2, 2026Sold 2,908 shares at $31.00 of D-Wave Quantum⁶
• May 22, 2026Sold 328,752 shares at $27.70 of D-Wave Quantum⁷
• May 22, 2026Exercised options 120,826 shares at $0.85 of D-Wave Quantum⁷
• May 22, 2026Exercised options 207,926 shares at $0.92 of D-Wave Quantum⁷
• Apr 13, 2026Shares withheld for tax 8,607 shares at $14.25 of D-Wave Quantum⁸
• Mar 13, 2026Sold 10,706 shares at $17.63 of D-Wave Quantum⁹
• Jan 14, 2026Sold 9,179 shares at $28.06 of D-Wave Quantum¹⁰
• Dec 22, 2025Sold 100,000 shares at $30.03 of D-Wave Quantum¹¹
• Dec 22, 2025Exercised options 100,000 shares at $0.92 of D-Wave Quantum¹¹
• Dec 15, 2025Sold 11,562 shares at $23.89 of D-Wave Quantum¹²
• Dec 4, 2025Sold 100,000 shares at $27.56 of D-Wave Quantum¹³
• Dec 4, 2025Exercised options 100,000 shares at $0.92 of D-Wave Quantum¹³
• Dec 3, 2025Sold 100,000 shares at $25.05 of D-Wave Quantum¹³
• Dec 3, 2025Exercised options 100,000 shares at $0.92 of D-Wave Quantum¹³
• Nov 20, 2025Sold 200,000 shares at $22.94 of D-Wave Quantum¹⁴
• Nov 20, 2025Exercised options 200,000 shares at $0.92 of D-Wave Quantum¹⁴
• Nov 13, 2025Sold 98,060 shares at $23.17 of D-Wave Quantum¹⁵
• Oct 14, 2025Sold 7,994 shares at $43.74 of D-Wave Quantum¹⁶