InsiderClue
Stocks · Technology · Measuring & Controlling Devices, NEC

Quantum-Si Inc

QSI Clue Score61
United States Fiscal year ends December CIK 0001816431
1.53
+25.41%
Close, 9 Oct 2026 · USD
Alert on the numbers Alert on insider trades

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
1.53 on 9 Oct 2026
3 2 1 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $2.08 14 Oct 2025 $2.15 15 Oct 2025 $2.63 16 Oct 2025 $2.54 17 Oct 2025 $2.28 20 Oct 2025 $2.59 21 Oct 2025 $2.34 22 Oct 2025 $2.20 23 Oct 2025 $2.20 24 Oct 2025 $2.29 27 Oct 2025 $2.34 28 Oct 2025 $2.18 29 Oct 2025 $2.14 30 Oct 2025 $2.03 31 Oct 2025 $2.15 3 Nov 2025 $2.00 4 Nov 2025 $1.84 5 Nov 2025 $1.80 6 Nov 2025 $1.65 7 Nov 2025 $1.58 10 Nov 2025 $1.60 11 Nov 2025 $1.58 12 Nov 2025 $1.52 13 Nov 2025 $1.39 14 Nov 2025 $1.37 17 Nov 2025 $1.30 18 Nov 2025 $1.27 19 Nov 2025 $1.28 20 Nov 2025 $1.24 21 Nov 2025 $1.27 24 Nov 2025 $1.35 25 Nov 2025 $1.35 26 Nov 2025 $1.35 28 Nov 2025 $1.41 1 Dec 2025 $1.29 2 Dec 2025 $1.27 3 Dec 2025 $1.36 4 Dec 2025 $1.47 5 Dec 2025 $1.44 8 Dec 2025 $1.45 9 Dec 2025 $1.42 10 Dec 2025 $1.44 11 Dec 2025 $1.40 12 Dec 2025 $1.29 15 Dec 2025 $1.23 16 Dec 2025 $1.22 17 Dec 2025 $1.20 18 Dec 2025 $1.22 19 Dec 2025 $1.27 22 Dec 2025 $1.27 23 Dec 2025 $1.23 24 Dec 2025 $1.31 26 Dec 2025 $1.23 29 Dec 2025 $1.18 30 Dec 2025 $1.11 31 Dec 2025 $1.10 2 Jan 2026 $1.16 5 Jan 2026 $1.26 6 Jan 2026 $1.28 7 Jan 2026 $1.26 8 Jan 2026 $1.25 9 Jan 2026 $1.22 12 Jan 2026 $1.21 13 Jan 2026 $1.27 14 Jan 2026 $1.27 15 Jan 2026 $1.23 16 Jan 2026 $1.27 20 Jan 2026 $1.19 21 Jan 2026 $1.23 22 Jan 2026 $1.31 23 Jan 2026 $1.25 26 Jan 2026 $1.21 27 Jan 2026 $1.23 28 Jan 2026 $1.20 29 Jan 2026 $1.17 30 Jan 2026 $1.13 2 Feb 2026 $1.10 3 Feb 2026 $1.09 4 Feb 2026 $1.03 5 Feb 2026 $0.93 6 Feb 2026 $1.07 9 Feb 2026 $1.07 10 Feb 2026 $1.10 11 Feb 2026 $1.04 12 Feb 2026 $0.98 13 Feb 2026 $0.99 17 Feb 2026 $0.94 18 Feb 2026 $0.91 19 Feb 2026 $0.96 20 Feb 2026 $0.94 23 Feb 2026 $0.91 24 Feb 2026 $0.93 25 Feb 2026 $0.99 26 Feb 2026 $1.01 27 Feb 2026 $0.96 2 Mar 2026 $0.93 3 Mar 2026 $0.95 4 Mar 2026 $0.91 5 Mar 2026 $0.91 6 Mar 2026 $0.86 9 Mar 2026 $0.93 10 Mar 2026 $1.04 11 Mar 2026 $1.05 12 Mar 2026 $0.98 13 Mar 2026 $0.95 16 Mar 2026 $0.94 17 Mar 2026 $0.93 18 Mar 2026 $0.88 19 Mar 2026 $0.86 20 Mar 2026 $0.85 23 Mar 2026 $0.90 24 Mar 2026 $0.85 25 Mar 2026 $0.87 26 Mar 2026 $0.81 27 Mar 2026 $0.76 30 Mar 2026 $0.74 31 Mar 2026 $0.77 1 Apr 2026 $0.75 2 Apr 2026 $0.75 6 Apr 2026 $0.73 7 Apr 2026 $0.71 8 Apr 2026 $0.75 9 Apr 2026 $0.75 10 Apr 2026 $0.74 13 Apr 2026 $0.79 14 Apr 2026 $0.84 15 Apr 2026 $1.05 16 Apr 2026 $1.04 17 Apr 2026 $1.07 20 Apr 2026 $1.01 21 Apr 2026 $0.98 22 Apr 2026 $1.06 23 Apr 2026 $0.94 24 Apr 2026 $0.91 27 Apr 2026 $0.90 28 Apr 2026 $0.91 29 Apr 2026 $0.86 30 Apr 2026 $0.98 1 May 2026 $0.96 4 May 2026 $0.97 5 May 2026 $0.96 6 May 2026 $1.03 7 May 2026 $0.98 8 May 2026 $0.91 11 May 2026 $0.92 12 May 2026 $0.94 13 May 2026 $0.93 14 May 2026 $0.93 15 May 2026 $0.89 18 May 2026 $0.85 19 May 2026 $0.86 20 May 2026 $0.88 21 May 2026 $0.99 22 May 2026 $1.06 26 May 2026 $1.08 27 May 2026 $1.13 28 May 2026 $1.20 29 May 2026 $1.19 1 Jun 2026 $1.18 2 Jun 2026 $1.24 3 Jun 2026 $1.19 4 Jun 2026 $1.28 5 Jun 2026 $1.05 8 Jun 2026 $1.06 9 Jun 2026 $0.99 10 Jun 2026 $0.95 11 Jun 2026 $0.97 12 Jun 2026 $0.95 15 Jun 2026 $0.99 16 Jun 2026 $0.95 17 Jun 2026 $0.94 18 Jun 2026 $1.00 22 Jun 2026 $0.92 23 Jun 2026 $0.88 24 Jun 2026 $0.83 25 Jun 2026 $0.86 26 Jun 2026 $0.85 29 Jun 2026 $0.89 30 Jun 2026 $0.89 1 Jul 2026 $0.92 2 Jul 2026 $0.93 6 Jul 2026 $0.95 7 Jul 2026 $0.92 8 Jul 2026 $0.91 9 Jul 2026 $0.96 10 Jul 2026 $0.88 13 Jul 2026 $0.87 14 Jul 2026 $0.87 15 Jul 2026 $0.86 16 Jul 2026 $0.82 17 Jul 2026 $0.82 20 Jul 2026 $0.82 21 Jul 2026 $0.84 22 Jul 2026 $0.80 23 Jul 2026 $0.79 24 Jul 2026 $0.77 27 Jul 2026 $0.78 28 Jul 2026 $0.76 29 Jul 2026 $0.70 30 Jul 2026 $0.72 31 Jul 2026 $0.71 3 Aug 2026 $0.75 4 Aug 2026 $0.77 5 Aug 2026 $0.76 6 Aug 2026 $0.76 7 Aug 2026 $0.81 10 Aug 2026 $0.79 11 Aug 2026 $0.82 12 Aug 2026 $0.84 13 Aug 2026 $0.79 14 Aug 2026 $0.74 17 Aug 2026 $0.74 18 Aug 2026 $0.73 19 Aug 2026 $0.77 20 Aug 2026 $0.78 21 Aug 2026 $0.84 24 Aug 2026 $0.77 25 Aug 2026 $0.85 26 Aug 2026 $0.79 27 Aug 2026 $0.80 28 Aug 2026 $0.78 31 Aug 2026 $0.77 1 Sep 2026 $0.76 2 Sep 2026 $0.76 3 Sep 2026 $0.76 4 Sep 2026 $0.77 8 Sep 2026 $0.76 9 Sep 2026 $0.75 10 Sep 2026 $0.74 11 Sep 2026 $0.74 14 Sep 2026 $0.73 15 Sep 2026 $0.72 16 Sep 2026 $0.73 17 Sep 2026 $0.77 18 Sep 2026 $0.75 21 Sep 2026 $0.76 22 Sep 2026 $0.78 23 Sep 2026 $0.76 24 Sep 2026 $0.79 25 Sep 2026 $0.83 28 Sep 2026 $0.80 29 Sep 2026 $0.96 30 Sep 2026 $1.07 1 Oct 2026 $1.43 2 Oct 2026 $1.55 5 Oct 2026 $1.28 6 Oct 2026 $1.22 7 Oct 2026 $1.28 8 Oct 2026 $1.22 9 Oct 2026 $1.53 ROTHBERG JONATHAN M Director Sold on a plan $80.11K 16 Oct 2025 · at $3.07 · 1.4% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $11.01K 22 Dec 2025 · at $1.28 · 0.7% of stake LaPointe Christian GC & Corp. Secretary Sold at will $15.25K 22 Dec 2025 · at $1.28 · 1.2% of stake Vieceli John S. Chief Product Officer Sold at will $27.98K 22 Dec 2025 · at $1.28 · 2.7% of stake Hawkins Jeffrey Alan President & CEO Sold at will $30.25K 22 Dec 2025 · at $1.28 · 0.9% of stake Dowdy Paula Director Bought $104.45K 5 Mar 2026 · at $0.95 · 69.0% of stake Kummeth Charles R. Director Bought $459.80K 5 Mar 2026 · at $0.92 · 141% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $3.59K 20 Mar 2026 · at $0.85 · 0.2% of stake LaPointe Christian GC & Corp. Secretary Sold at will $4.96K 20 Mar 2026 · at $0.85 · 0.5% of stake Vieceli John S. Chief Product Officer Sold at will $9.13K 20 Mar 2026 · at $0.85 · 0.9% of stake Hawkins Jeffrey Alan President & CEO Sold at will $9.86K 20 Mar 2026 · at $0.85 · 0.3% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $3.66K 23 Mar 2026 · at $0.83 · 0.2% of stake LaPointe Christian GC & Corp. Secretary Sold at will $5.05K 23 Mar 2026 · at $0.83 · 0.5% of stake Vieceli John S. Chief Product Officer Sold at will $9.29K 23 Mar 2026 · at $0.83 · 1.0% of stake Hawkins Jeffrey Alan President & CEO Sold at will $10.04K 23 Mar 2026 · at $0.83 · 0.3% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $37.62K 20 Apr 2026 · at $1.01 · 2.1% of stake Hawkins Jeffrey Alan President & CEO Sold at will $84.25K 20 Apr 2026 · at $1.01 · 2.2% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $37.19K 21 Apr 2026 · at $1.00 · 2.1% of stake Hawkins Jeffrey Alan President & CEO Sold at will $83.29K 21 Apr 2026 · at $1.00 · 2.2% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $3.94K 22 Jun 2026 · at $0.96 · 0.2% of stake LaPointe Christian GC & Corp. Secretary Sold at will $7.46K 22 Jun 2026 · at $0.96 · 0.7% of stake Hawkins Jeffrey Alan President & CEO Sold at will $10.83K 22 Jun 2026 · at $0.96 · 0.3% of stake Vieceli John S. Chief Product Officer Sold at will $14.47K 22 Jun 2026 · at $0.96 · 1.3% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $3.70K 23 Jun 2026 · at $0.90 · 0.2% of stake LaPointe Christian GC & Corp. Secretary Sold at will $7.01K 23 Jun 2026 · at $0.90 · 0.7% of stake Hawkins Jeffrey Alan President & CEO Sold at will $10.17K 23 Jun 2026 · at $0.90 · 0.3% of stake Vieceli John S. Chief Product Officer Sold at will $13.59K 23 Jun 2026 · at $0.90 · 1.3% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $3.91K 21 Sep 2026 · at $0.76 · 0.3% of stake LaPointe Christian GC & Corp. Secretary Sold at will $7.40K 21 Sep 2026 · at $0.76 · 0.8% of stake Hawkins Jeffrey Alan President & CEO Sold at will $15.22K 21 Sep 2026 · at $0.76 · 0.5% of stake Keyes Jeffry R. Chief Financial Officer Sold at will $1.90K 22 Sep 2026 · at $0.76 · 0.1% of stake LaPointe Christian GC & Corp. Secretary Sold at will $3.59K 22 Sep 2026 · at $0.76 · 0.4% of stake Hawkins Jeffrey Alan President & CEO Sold at will $7.39K 22 Sep 2026 · at $0.76 · 0.3% of stake
2 buys30 sales at will1 planned sale

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$2.44M
Net income
$101.34M
Free cash flow
$97.23M
Gross margin
47.3%
Operating margin
-4,766.0%
Net margin
-4,160.1%
Return on equity
-46.0%
Return on capital
-41.7%
Revenue growth, 1 yr
-20.3%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -37M FY20 Fiscal year 2020 Revenue $0.00 Net income $36.61M Margin n/a 0K -95M FY21 Fiscal year 2021 Revenue $0.00 Net income $94.99M Margin n/a 0K -132M FY22 Fiscal year 2022 Revenue $0.00 Net income $132.44M Margin n/a 1M -96M FY23 Fiscal year 2023 Revenue $1.08M Net income $95.96M Margin -8,868.8% 3M -101M FY24 Fiscal year 2024 Revenue $3.06M Net income $101.01M Margin -3,303.0% · growth +182.6% 2M -101M FY25 Fiscal year 2025 Revenue $2.44M Net income $101.34M Margin -4,160.1% · growth -20.3%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
22 Sep 2026 Hawkins Jeffrey Alan
President & CEO
 Sold at will $7.39K 0.3%
22 Sep 2026 LaPointe Christian
GC & Corp. Secretary
 Sold at will $3.59K 0.4%
22 Sep 2026 Keyes Jeffry R.
Chief Financial Officer
 Sold at will $1.90K 0.1%
21 Sep 2026 Hawkins Jeffrey Alan
President & CEO
 Sold at will $15.22K 0.5%
21 Sep 2026 LaPointe Christian
GC & Corp. Secretary
 Sold at will $7.40K 0.8%
21 Sep 2026 Keyes Jeffry R.
Chief Financial Officer
 Sold at will $3.91K 0.3%