Quantum-Si Inc (QSI): Congress and insider trades
Who in Congress and inside the company traded QSI, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Quantum-Si Inc (QSI) is a listed stock on NASDAQ.
- Insiders filed 0 open market buys worth $0 and 26 sells worth $409K, the latest filed 2026-09-23 (23 September 2026).
- Data as of 2026-09-29 (29 September 2026).
Insider trades in QSI
as of 2026-09-23| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 23 Sep 2026 | LaPointe Christian | sell | 4,721 | $0.76 | $3.6K | n/a |
| 23 Sep 2026 | Keyes Jeffry R. | sell | 2,493 | $0.76 | $1.9K | n/a |
| 23 Sep 2026 | LaPointe Christian | sell | 9,795 | $0.76 | $7.4K | n/a |
| 23 Sep 2026 | Hawkins Jeffrey Alan | sell | 20,143 | $0.76 | $15.2K | n/a |
| 23 Sep 2026 | Keyes Jeffry R. | sell | 5,172 | $0.76 | $3.9K | n/a |
| 23 Sep 2026 | Hawkins Jeffrey Alan | sell | 9,709 | $0.76 | $7.4K | n/a |
| 24 Jun 2026 | Keyes Jeffry R. | sell | 4,116 | $0.96 | $3.9K | n/a |
| 24 Jun 2026 | Hawkins Jeffrey Alan | sell | 11,311 | $0.90 | $10.2K | n/a |
| 24 Jun 2026 | LaPointe Christian | sell | 7,794 | $0.90 | $7.0K | n/a |
| 24 Jun 2026 | Keyes Jeffry R. | sell | 4,117 | $0.90 | $3.7K | n/a |
| 24 Jun 2026 | Hawkins Jeffrey Alan | sell | 11,310 | $0.96 | $10.8K | n/a |
| 24 Jun 2026 | Vieceli John S. | sell | 15,112 | $0.90 | $13.6K | n/a |
| 24 Jun 2026 | Vieceli John S. | sell | 15,111 | $0.96 | $14.5K | n/a |
| 24 Jun 2026 | LaPointe Christian | sell | 7,794 | $0.96 | $7.5K | n/a |
| 22 Apr 2026 | Hawkins Jeffrey Alan | sell | 83,712 | $0.99 | $83.3K | n/a |
| 22 Apr 2026 | Keyes Jeffry R. | sell | 37,381 | $0.99 | $37.2K | n/a |
| 22 Apr 2026 | Keyes Jeffry R. | sell | 37,382 | $1.01 | $37.6K | n/a |
| 22 Apr 2026 | Hawkins Jeffrey Alan | sell | 83,712 | $1.01 | $84.2K | n/a |
| 24 Mar 2026 | Hawkins Jeffrey Alan | sell | 11,628 | $0.85 | $9.9K | n/a |
| 24 Mar 2026 | Keyes Jeffry R. | sell | 4,233 | $0.85 | $3.6K | n/a |
| 24 Mar 2026 | Hawkins Jeffrey Alan | sell | 12,149 | $0.83 | $10.0K | n/a |
| 24 Mar 2026 | Vieceli John S. | sell | 10,758 | $0.85 | $9.1K | n/a |
| 24 Mar 2026 | LaPointe Christian | sell | 5,849 | $0.85 | $5.0K | n/a |
| 24 Mar 2026 | Vieceli John S. | sell | 11,239 | $0.83 | $9.3K | n/a |
| 24 Mar 2026 | LaPointe Christian | sell | 6,110 | $0.83 | $5.1K | n/a |
| 24 Mar 2026 | Keyes Jeffry R. | sell | 4,422 | $0.83 | $3.7K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought QSI?
0 Congress buys by 0 members and 0 insider buys are on file. The tables on this page list every one.
Did buying QSI after a disclosure beat the market?
No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.