Who
John Fichthorn
Director and 10% owner
Company insider
Files Form 4 as: Director and 10% owner, Quantum; Director, Paradium.AI; Director, Benefytt Technologies; Director, Immersion; Director, California Micro Devices; Other, Silicon Storage Technology; 10% owner, Leadis Technology.
In numbers
- Trades disclosed
- 185
- Buys
- 13
- Sells
- 41
- Bought
- $7.0M
- Sold
- $35.8M
- Companies
- 7
- Companies where not an officer
- 7
- First trade
- 23 Sep 2009
- Last trade
- 1 Oct 2026
- Last filed
- 5 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month. 2 lines have no legible date and are left out.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Oct 2026filed 5 Oct 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | —12,000 at $0.00 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code C | $57.2M11,020,645 at $5.19 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | $16.0M3,083,975 at $5.19 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code C | —57,241,228 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code C | —57,241,228 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code C | $57.2M11,020,645 at $5.19 | filing |
| 4 Jun 2026filed 8 Jun 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | $16.0M3,083,975 at $5.19 | filing |
| 1 Jun 2026filed 8 Jun 2026 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code J | —105,911 | filing |
| 1 Jun 2026filed 8 Jun 2026 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code J | —105,911 | filing |
| 1 Jan 2026filed 5 Jan 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | —12,000 at $0.00 | filing |
| 1 Jan 2026filed 5 Jan 2026 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | —12,000 at $0.00 | filing |
| 18 Dec 2025filed 29 Dec 2025 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code J | —0 | filing |
| 23 Sep 2025filed 29 Dec 2025 | QMCO Quantumoption or derivative · Hardware, Devices & Storage | SEC FORM 4 Code J | —2,653,308 | filing |
| 1 May 2025filed 5 May 2025 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Code A | —4,405 at $0.00 | filing |
| 12 Aug 2021filed 17 Aug 2021 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Bought | $57K10,000 at $5.73 | filing |
| 11 Aug 2021filed 16 Aug 2021 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Bought | $113K20,000 at $5.67 | filing |
| 11 Aug 2021filed 16 Aug 2021 | QMCO QuantumHardware, Devices & Storage | SEC FORM 4 Bought | $57K10,000 at $5.73 | filing |
| 1 Jan 2021filed 17 Feb 2021 | PAAI Paradium.AIBroadcasting & cable | SEC FORM 4 Code A | —166,667 at $0.00 | filing |
| 1 Jan 2021filed 2 Feb 2021 | PAAI Paradium.AIBroadcasting & cable | SEC FORM 4 Code A | —166,667 at $0.00 | filing |
| 31 Dec 2020filed 17 Feb 2021 | PAAI Paradium.AIBroadcasting & cable | SEC FORM 4 Code C | $106K320,395 at $0.33 | filing |
News
Lost Money on D-Wave Quantum Inc. (QBTS)? Contact Levi & Korsinsky ...QMCO · pr-inside.com · 20 Oct 2026IonQ (NYSE: IONQ) Bets $1.3B On Elisity To Build Quantum-Era Cybersecurity PlatformQMCO · foreignpolicyjournal.com · 20 Oct 2026Securities Class Action Lawsuit Filed Against D-Wave Quantum Inc. (QBTS) ...QMCO · pr-inside.com · 20 Oct 2026Abercrombie & Fitch (NYSE:ANF) versus Immersion (NASDAQ:IMMR) Head to Head ComparisonIMMR · themarketsdaily.com · 18 Oct 2026Critical Analysis: Immersion (NASDAQ:IMMR) vs. Petco Health and Wellness (NASDAQ:WOOF)IMMR · themarketsdaily.com · 17 Oct 2026Immersion (NASDAQ:IMMR) versus Petco Health and Wellness (NASDAQ:WOOF) Financial ContrastIMMR · tickerreport.com · 10 Oct 2026
0 headlines in the last 90 days name John Fichthorn; 6 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.