In the last 12 months, insiders at Quantum-Si Inc ($QSI) filed 94 transactions with the SEC: 10 open-market purchases totaling $940,957 and 44 sales totaling $12,279,903. Net insider sentiment: net selling.
Quantum-Si Inc operates in the Measuring & controlling devices, nec industry (Industrial Applications and Services sector).
Most Active Insiders
- ROTHBERG JONATHAN M (Not found) — 11 transactions totaling $11,796,846
- Kummeth Charles R. (Not found) — 6 transactions totaling $608,259
- Hawkins Jeffrey Alan (President & CEO) — 13 transactions totaling $221,842
- Keyes Jeffry R. (Chief Financial Officer) — 13 transactions totaling $180,938
- Vieceli John S. (Chief Product Officer) — 13 transactions totaling $130,027
View all SEC Filings for Quantum-Si Inc (QSI).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 20, 2026 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 4233 | $0.85 | 1,811,767.0000 | 209,041,000 | 0.23% | 0.00% |
| March 23, 2026 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 12149 | $0.83 | 3,859,847.0000 | 209,041,000 | 0.31% | 0.01% |
| March 20, 2026 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 11628 | $0.85 | 3,871,996.0000 | 209,041,000 | 0.30% | 0.01% |
| March 23, 2026 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 11239 | $0.83 | 1,170,657.0000 | 209,041,000 | 0.95% | 0.01% |
| March 20, 2026 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 10758 | $0.85 | 1,181,896.0000 | 209,041,000 | 0.90% | 0.01% |
| March 23, 2026 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 6110 | $0.83 | 1,198,017.0000 | 209,041,000 | 0.51% | 0.00% |
| March 20, 2026 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 5849 | $0.85 | 1,204,127.0000 | 209,041,000 | 0.48% | 0.00% |
| March 23, 2026 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 4422 | $0.83 | 1,807,345.0000 | 209,041,000 | 0.24% | 0.00% |
| March 12, 2026 | LaPointe Christian | GC & Corp. Secretary | A | Stock Option (Right to Buy) | 312339 | $0.00 | 312,339.0000 | 209,041,000 | 9999.99% | 0.15% |
| March 12, 2026 | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 652803 | $0.00 | 1,816,000.0000 | 209,041,000 | 56.12% | 0.31% |
| March 12, 2026 | Keyes Jeffry R. | Chief Financial Officer | A | Stock Option (Right to Buy) | 780847 | $0.00 | 780,847.0000 | 209,041,000 | 9999.99% | 0.37% |
| March 12, 2026 | Vieceli John S. | Chief Product Officer | A | Class A Common Stock | 391681 | $0.00 | 1,192,654.0000 | 209,041,000 | 48.90% | 0.19% |
| March 12, 2026 | Vieceli John S. | Chief Product Officer | A | Stock Option (Right to Buy) | 468508 | $0.00 | 468,508.0000 | 209,041,000 | 9999.99% | 0.22% |
| March 12, 2026 | Hawkins Jeffrey Alan | President & CEO | A | Class A Common Stock | 1305606 | $0.00 | 3,883,624.0000 | 209,041,000 | 50.64% | 0.62% |
| March 12, 2026 | Hawkins Jeffrey Alan | President & CEO | A | Stock Option (Right to Buy) | 1561695 | $0.00 | 1,561,695.0000 | 209,041,000 | 9999.99% | 0.75% |
| March 12, 2026 | LaPointe Christian | GC & Corp. Secretary | A | Class A Common Stock | 261121 | $0.00 | 1,209,976.0000 | 209,041,000 | 27.52% | 0.12% |
| March 5, 2026 | Kummeth Charles R. | Not found | P | Class A Common Stock | 500000 | $0.92 | 855,000.0000 | 209,041,000 | 140.85% | 0.24% |
| March 5, 2026 | Dowdy Paula | Not found | P | Class A Common Stock | 109890 | $0.95 | 269,107.0000 | 209,041,000 | 69.02% | 0.05% |
| Feb. 24, 2026 | Jafri Amir | Not found | A | Stock Option (right to buy) | 114055 | $0.00 | 114,055.0000 | 209,041,000 | 9999.99% | 0.05% |
| Dec. 22, 2025 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 21927 | $1.28 | 800,973.0000 | 209,041,000 | 2.66% | 0.01% |
| Dec. 22, 2025 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 23707 | $1.28 | 2,578,018.0000 | 209,041,000 | 0.91% | 0.01% |
| Dec. 22, 2025 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8627 | $1.28 | 1,163,197.0000 | 209,041,000 | 0.74% | 0.00% |
| Dec. 22, 2025 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 11951 | $1.28 | 948,855.0000 | 209,041,000 | 1.24% | 0.01% |
| Oct. 16, 2025 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 26095 | $3.07 | 13,706,678.0000 | 209,041,000 | 0.19% | 0.01% |
| Sept. 22, 2025 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 9843 | $1.68 | 832,743.0000 | 143,196,000 | 1.17% | 0.01% |
| Sept. 22, 2025 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 10643 | $1.68 | 2,612,368.0000 | 143,196,000 | 0.41% | 0.01% |
| Sept. 23, 2025 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 5364 | $1.64 | 960,806.0000 | 143,196,000 | 0.56% | 0.00% |
| Sept. 22, 2025 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 5364 | $1.68 | 966,170.0000 | 143,196,000 | 0.55% | 0.00% |
| Sept. 23, 2025 | Bennett Todd C. | Chief Commercial Officer | S | Class A Common Stock | 18482 | $1.64 | 681,521.0000 | 143,196,000 | 2.64% | 0.01% |
| Sept. 22, 2025 | Bennett Todd C. | Chief Commercial Officer | S | Class A Common Stock | 18482 | $1.68 | 700,003.0000 | 143,196,000 | 2.57% | 0.01% |
| Sept. 23, 2025 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 3873 | $1.64 | 1,171,824.0000 | 143,196,000 | 0.33% | 0.00% |
| Sept. 22, 2025 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 3873 | $1.68 | 1,175,697.0000 | 143,196,000 | 0.33% | 0.00% |
| Sept. 23, 2025 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 9843 | $1.64 | 822,900.0000 | 143,196,000 | 1.18% | 0.01% |
| Sept. 23, 2025 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 10643 | $1.64 | 2,601,725.0000 | 143,196,000 | 0.41% | 0.01% |
| June 23, 2025 | LaPointe Christian | GC & Corp. Secretary | S | Class A Common Stock | 11946 | $1.61 | 971,534.0000 | 143,196,000 | 1.21% | 0.01% |
| June 23, 2025 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 23705 | $1.61 | 2,623,011.0000 | 143,196,000 | 0.90% | 0.02% |
| June 23, 2025 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 21923 | $1.61 | 842,586.0000 | 143,196,000 | 2.54% | 0.02% |
| June 23, 2025 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8624 | $1.61 | 1,179,570.0000 | 143,196,000 | 0.73% | 0.01% |
| May 19, 2025 | Fattori Ruth A | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Jafri Amir | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Kenny John P. | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Kummeth Charles R. | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Makes Brigid | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | ROTHBERG JONATHAN M | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Dowdy Paula | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | RAKIN KEVIN | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| May 19, 2025 | Mendel Scott | Not found | A | Stock Option (right to buy) | 126095 | $0.00 | 126,095.0000 | 143,196,000 | 9999.99% | 0.09% |
| March 21, 2025 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 4317 | $1.39 | 864,509.0000 | 143,196,000 | 0.50% | 0.00% |
| March 21, 2025 | Hawkins Jeffrey Alan | President & CEO | S | Class A Common Stock | 23707 | $1.39 | 2,646,716.0000 | 143,196,000 | 0.89% | 0.02% |
| March 21, 2025 | LaPointe Christian | General Counsel & Corp. Secr. | S | Class A Common Stock | 4896 | $1.39 | 983,480.0000 | 143,196,000 | 0.50% | 0.00% |
| March 21, 2025 | Keyes Jeffry R. | Chief Financial Officer | S | Class A Common Stock | 8626 | $1.39 | 1,188,194.0000 | 143,196,000 | 0.72% | 0.01% |
| March 12, 2025 | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 750000 | $0.00 | 1,196,820.0000 | 143,196,000 | 167.85% | 0.52% |
| March 12, 2025 | Bennett Todd C. | Chief Commercial Officer | A | Class A Common Stock | 208333 | $0.00 | 718,485.0000 | 143,196,000 | 40.84% | 0.15% |
| March 12, 2025 | LaPointe Christian | General Counsel & Corp. Secr. | A | Class A Common Stock | 416666 | $0.00 | 988,376.0000 | 143,196,000 | 72.88% | 0.29% |
| March 12, 2025 | Vieceli John S. | Chief Product Officer | A | Class A Common Stock | 708333 | $0.00 | 868,826.0000 | 143,196,000 | 441.35% | 0.49% |
| March 12, 2025 | Hawkins Jeffrey Alan | President & CEO | A | Class A Common Stock | 1666666 | $0.00 | 2,670,423.0000 | 143,196,000 | 166.04% | 1.16% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 42313 | $4.10 | 13,732,773.0000 | 142,399,000 | 0.31% | 0.03% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 42313 | $4.10 | 13,732,773.0000 | 142,399,000 | 0.31% | 0.03% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 834254 | $3.30 | 13,775,086.0000 | 142,399,000 | 5.71% | 0.59% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 42313 | $4.10 | 13,732,773.0000 | 142,399,000 | 0.31% | 0.03% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 834254 | $3.30 | 13,775,086.0000 | 142,399,000 | 5.71% | 0.59% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 42313 | $4.10 | 13,732,773.0000 | 142,399,000 | 0.31% | 0.03% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 834253 | $3.30 | 13,775,086.0000 | 142,399,000 | 5.71% | 0.59% |
| Dec. 27, 2024 | ROTHBERG JONATHAN M | Not found | S | Class A Common Stock | 834254 | $3.30 | 13,775,086.0000 | 142,399,000 | 5.71% | 0.59% |
| Dec. 23, 2024 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 4306 | $1.29 | 160,493.0000 | 142,399,000 | 2.61% | 0.00% |
| Sept. 23, 2024 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 2192 | $0.95 | 166,916.0000 | 141,300,000 | 1.30% | 0.00% |
| Sept. 24, 2024 | Vieceli John S. | Chief Product Officer | S | Class A Common Stock | 2117 | $0.93 | 164,799.0000 | 141,300,000 | 1.27% | 0.00% |
| Sept. 17, 2024 | Bennett Todd C. | Chief Commercial Officer | A | Stock Option (Right to buy) | 735294 | $0.00 | 735,294.0000 | 141,300,000 | 9999.99% | 0.52% |
| Sept. 17, 2024 | Bennett Todd C. | Chief Commercial Officer | A | Class A Common Stock | 510152 | $0.00 | 510,152.0000 | 141,300,000 | 9999.99% | 0.36% |
| Aug. 9, 2024 | LaPointe Christian | General Counsel & Corp. Secr. | P | Class A Common Stock | 25000 | $0.86 | 571,710.0000 | 141,300,000 | 4.57% | 0.02% |
| Aug. 9, 2024 | Hawkins Jeffrey Alan | President & CEO | P | Class A Common Stock | 25000 | $0.85 | 1,003,757.0000 | 141,300,000 | 2.55% | 0.02% |
| Aug. 9, 2024 | Keyes Jeffry R. | Chief Financial Officer | P | Class A Common Stock | 50000 | $0.87 | 446,820.0000 | 141,300,000 | 12.60% | 0.04% |
| Aug. 9, 2024 | Kummeth Charles R. | Not found | P | Class A Common Stock | 138900 | $0.87 | 323,900.0000 | 141,300,000 | 75.08% | 0.10% |
| Aug. 12, 2024 | Kummeth Charles R. | Not found | P | Class A Common Stock | 31100 | $0.89 | 355,000.0000 | 141,300,000 | 9.60% | 0.02% |
| June 21, 2024 | Johnston Grace | Chief Commercial Officer | S | Class A Common Stock | 4359 | $1.21 | 299,109.0000 | 141,300,000 | 1.44% | 0.00% |
| June 24, 2024 | Johnston Grace | Chief Commercial Officer | S | Class A Common Stock | 3169 | $1.20 | 295,940.0000 | 141,300,000 | 1.06% | 0.00% |
| June 7, 2024 | Kummeth Charles R. | Not found | A | Stock Option (Right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 28, 2024 | Kummeth Charles R. | Not found | A | Stock Option (Right to buy) | 527777 | $0.00 | 527,777.0000 | 141,300,000 | 9999.99% | 0.37% |
| May 16, 2024 | Kenny John P. | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | Makes Brigid | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | ROTHBERG JONATHAN M | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | Jafri Amir | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | RAKIN KEVIN | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | Dowdy Paula | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | Fattori Ruth A | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| May 16, 2024 | Mendel Scott | Not found | A | Stock Option (right to buy) | 113281 | $0.00 | 113,281.0000 | 141,300,000 | 9999.99% | 0.08% |
| March 22, 2024 | Dowdy Paula | Not found | A | Class A Common Stock | 159217 | $0.00 | 159,217.0000 | 141,300,000 | 9999.99% | 0.11% |
| March 14, 2024 | Hawkins Jeffrey Alan | President & CEO | P | Class A Common Stock | 25000 | $1.76 | 25,000.0000 | 141,300,000 | 9999.99% | 0.02% |
| March 15, 2024 | Keyes Jeffry R. | Chief Financial Officer | A | Class A Common Stock | 346820 | $0.00 | 396,820.0000 | 141,300,000 | 693.64% | 0.25% |
| March 15, 2024 | Johnston Grace | Chief Commercial Officer | A | Class A Common Stock | 303468 | $0.00 | 303,468.0000 | 141,300,000 | 9999.99% | 0.21% |
| March 15, 2024 | LaPointe Christian | General Counsel & Corp. Secr. | P | Class A Common Stock | 10000 | $1.74 | 257,693.0000 | 141,300,000 | 4.04% | 0.01% |
| March 15, 2024 | LaPointe Christian | General Counsel & Corp. Secr. | A | Class A Common Stock | 289017 | $0.00 | 546,710.0000 | 141,300,000 | 112.16% | 0.20% |
| March 15, 2024 | Hawkins Jeffrey Alan | President & CEO | A | Class A Common Stock | 953757 | $0.00 | 978,757.0000 | 141,300,000 | 3815.03% | 0.67% |
| March 5, 2024 | Keyes Jeffry R. | Chief Financial Officer | P | Class A Common Stock | 50000 | $1.61 | 50,000.0000 | 141,300,000 | 9999.99% | 0.04% |