United States Semiconductors & Semiconductor Equipment

Quantum-Si Inc (QSI)

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Quantum-Si Inc. experienced significant selling activity over the past ninety days, with executives offloading shares worth over $142,000. These transactions involved key leadership, including the CEO and CFO. Despite a recent earnings report showing a ten percent beat, the stock price declined nearly twelve percent during this period, reflecting broader market pressure.
Ticker: QSI Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Sale 23 Jun 2026
Value US$3,684,187.83 | Price 34.36 | Shares 47,841 (+38.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-24 2026-06-23 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
47,841 +38.2%
34.36
US$3,684,188 		47,841 +38.2% 34.36 US$3,684,188
2026-06-24 2026-06-23 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
13,251 -42.7%
85.66
US$4,279,639 		13,251 -42.7% 85.66 US$4,279,639
2026-06-24 2026-06-23 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
29,247 -27.6%
165.38
US$2,531,373 		29,247 -27.6% 165.38 US$2,531,373
2026-06-24 2026-06-23 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
11,311 -0.3%
0.90
US$10,169 		11,311 -0.3% 0.90 US$10,169
2026-06-24 2026-06-22 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
7,794 -0.7%
0.96
US$7,462 		7,794 -0.7% 0.96 US$7,462
2026-06-24 2026-06-22 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
4,116 -0.2%
0.96
US$3,941 		4,116 -0.2% 0.96 US$3,941
2026-06-24 2026-06-22 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
15,111 -1.3%
0.96
US$14,467 		15,111 -1.3% 0.96 US$14,467
2026-06-24 2026-06-22 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
11,310 -0.3%
0.96
US$10,828 		11,310 -0.3% 0.96 US$10,828
2026-06-24 2026-06-22 PrS Proposed sale
2.8
Hawkins Jeffrey Alan

Officer; Director

Executive Director
22,621
0.93
US$20,997 		22,621 0.93 US$20,997
2026-06-24 2026-06-22 PrS Proposed sale
2.6
LaPointe Christian

Officer

Officer
15,588
0.93
US$14,469 		15,588 0.93 US$14,469
2026-06-24 2026-06-22 PrS Proposed sale
2.8
Vieceli John S.

Officer

Officer
30,223
0.93
US$28,053 		30,223 0.93 US$28,053
2026-06-24 2026-06-22 PrS Proposed sale
3.0
Keyes Jeffry R.

Officer

Officer
8,233
0.93
US$7,642 		8,233 0.93 US$7,642
2026-04-22 2026-04-21 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
37,381 -2.1%
1.00
US$37,194 		37,381 -2.1% 1.00 US$37,194
2026-04-22 2026-04-21 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
83,712 -2.2%
1.00
US$83,293 		83,712 -2.2% 1.00 US$83,293
2026-04-22 2026-04-20 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
37,382 -2.1%
1.01
US$37,621 		37,382 -2.1% 1.01 US$37,621
2026-04-22 2026-04-20 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
83,712 -2.2%
1.01
US$84,248 		83,712 -2.2% 1.01 US$84,248
2026-04-22 2026-04-20 PrS Proposed sale
3.0
Keyes Jeffry R.

Officer

Officer
74,763
1.00
US$74,799 		74,763 1.00 US$74,799
2026-04-22 2026-04-20 PrS Proposed sale
2.8
Hawkins Jeffrey Alan

Officer; Director

Executive Director
167,424
1.00
US$167,508 		167,424 1.00 US$167,508
2026-03-24 2026-03-23 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
12,149 -0.3%
0.83
US$10,042 		12,149 -0.3% 0.83 US$10,042
2026-03-24 2026-03-23 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
4,422 -0.2%
0.83
US$3,655 		4,422 -0.2% 0.83 US$3,655
2026-03-24 2026-03-23 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
11,239 -1.0%
0.83
US$9,290 		11,239 -1.0% 0.83 US$9,290
2026-03-24 2026-03-23 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
6,110 -0.5%
0.83
US$5,051 		6,110 -0.5% 0.83 US$5,051
2026-03-24 2026-03-20 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
11,628 -0.3%
0.85
US$9,864 		11,628 -0.3% 0.85 US$9,864
2026-03-24 2026-03-20 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
4,233 -0.2%
0.85
US$3,591 		4,233 -0.2% 0.85 US$3,591
2026-03-24 2026-03-20 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
10,758 -0.9%
0.85
US$9,126 		10,758 -0.9% 0.85 US$9,126
2026-03-24 2026-03-20 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
5,849 -0.5%
0.85
US$4,962 		5,849 -0.5% 0.85 US$4,962
2026-03-24 2026-03-20 PrS Proposed sale
3.0
Keyes Jeffry R.

Officer

Officer
8,655
0.84
US$7,246 		8,655 0.84 US$7,246
2026-03-24 2026-03-20 PrS Proposed sale
2.6
LaPointe Christian

Officer

Officer
11,959
0.84
US$10,012 		11,959 0.84 US$10,012
2026-03-24 2026-03-20 PrS Proposed sale
2.8
Hawkins Jeffrey Alan

Officer; Director

Executive Director
23,777
0.84
US$19,906 		23,777 0.84 US$19,906
2026-03-24 2026-03-20 PrS Proposed sale
2.8
Vieceli John S.

Officer

Officer
21,997
0.84
US$18,416 		21,997 0.84 US$18,416
2026-03-09 2026-03-05 B Purchase
2.1
Dowdy Paula
Non-Executive Director
109,890 +69.0%
0.95
US$104,450 		109,890 +69.0% 0.95 US$104,450
2026-03-09 2026-03-05 B Purchase
2.8
Kummeth Charles R.
Non-Executive Director
500,000 +140.8%
0.92
US$459,800 		500,000 +140.8% 0.92 US$459,800
2025-12-22 2025-12-22 PrS Proposed sale
2.8
Vieceli John S.

Officer

Officer
21,927
1.28
US$27,979 		21,927 1.28 US$27,979
2025-12-22 2025-12-22 PrS Proposed sale
2.6
LaPointe Christian

Officer

Officer
11,951
1.28
US$15,249 		11,951 1.28 US$15,249
2025-12-22 2025-12-22 PrS Proposed sale
3.0
Keyes Jeffry R.

Officer

Officer
8,627
1.28
US$11,008 		8,627 1.28 US$11,008
2025-12-22 2025-12-22 PrS Proposed sale
2.8
Hawkins Jeffrey Alan

Officer; Director

Executive Director
23,707
1.28
US$30,250 		23,707 1.28 US$30,250
2025-12-22 2025-12-22 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
21,927 -2.7%
1.28
US$27,979 		21,927 -2.7% 1.28 US$27,979
2025-12-22 2025-12-22 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
11,951 -1.2%
1.28
US$15,249 		11,951 -1.2% 1.28 US$15,249
2025-12-22 2025-12-22 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
8,627 -0.7%
1.28
US$11,008 		8,627 -0.7% 1.28 US$11,008
2025-12-22 2025-12-22 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
23,707 -0.9%
1.28
US$30,250 		23,707 -0.9% 1.28 US$30,250
2025-10-17 2025-10-16 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
26,095 -1.4%
3.07
US$80,112 		26,095 -1.4% 3.07 US$80,112
2025-10-16 2025-10-16 PrS Proposed sale
2.3
ROTHBERG JONATHAN M

Director

Non-Executive Director
26,095
3.07
US$80,166 		26,095 3.07 US$80,166
2025-09-24 2025-09-23 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
9,843 -1.2%
1.64
US$16,093 		9,843 -1.2% 1.64 US$16,093
2025-09-24 2025-09-23 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
5,364 -0.6%
1.64
US$8,770 		5,364 -0.6% 1.64 US$8,770
2025-09-24 2025-09-23 S Sale
2.6
Bennett Todd C.

Chief Commercial Officer

Officer
18,482 -2.6%
1.64
US$30,218 		18,482 -2.6% 1.64 US$30,218
2025-09-24 2025-09-23 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
3,873 -0.3%
1.64
US$6,332 		3,873 -0.3% 1.64 US$6,332
2025-09-24 2025-09-23 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
10,643 -0.4%
1.64
US$17,401 		10,643 -0.4% 1.64 US$17,401
2025-10-20 2025-09-22 PrS Proposed sale
2.8
Vieceli John S.

Officer

Officer
19,686
1.66
US$32,655 		19,686 1.66 US$32,655
2025-10-20 2025-09-22 PrS Proposed sale
2.6
LaPointe Christian

Officer

Officer
10,728
1.66
US$17,796 		10,728 1.66 US$17,796
2025-10-20 2025-09-22 PrS Proposed sale
2.6
Bennett Todd C.

Officer

Officer
36,964
1.66
US$61,316 		36,964 1.66 US$61,316
2025-10-20 2025-09-22 PrS Proposed sale
3.0
Keyes Jeffry R.

Officer

Officer
7,746
1.66
US$12,847 		7,746 1.66 US$12,847
2025-10-20 2025-09-22 PrS Proposed sale
2.8
Hawkins Jeffrey Alan

Officer; Director

Executive Director
21,286
1.66
US$35,308 		21,286 1.66 US$35,308
2025-09-24 2025-09-22 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
9,843 -1.2%
1.68
US$16,562 		9,843 -1.2% 1.68 US$16,562
2025-09-24 2025-09-22 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
5,364 -0.6%
1.68
US$9,025 		5,364 -0.6% 1.68 US$9,025
2025-09-24 2025-09-22 S Sale
2.6
Bennett Todd C.

Chief Commercial Officer

Officer
18,482 -2.6%
1.68
US$31,098 		18,482 -2.6% 1.68 US$31,098
2025-09-24 2025-09-22 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
3,873 -0.3%
1.68
US$6,517 		3,873 -0.3% 1.68 US$6,517
2025-09-24 2025-09-22 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
10,643 -0.4%
1.68
US$17,908 		10,643 -0.4% 1.68 US$17,908
2025-06-24 2025-06-23 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
21,923 -2.5%
1.61
US$35,382 		21,923 -2.5% 1.61 US$35,382
2025-06-24 2025-06-23 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
23,705 -0.9%
1.61
US$38,257 		23,705 -0.9% 1.61 US$38,257
2025-06-24 2025-06-23 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
8,624 -0.7%
1.61
US$13,918 		8,624 -0.7% 1.61 US$13,918
2025-06-24 2025-06-23 S Sale
2.6
LaPointe Christian

GC & Corp. Secretary

Officer
11,946 -1.2%
1.61
US$19,280 		11,946 -1.2% 1.61 US$19,280
2025-03-24 2025-03-21 S Sale
2.8
Hawkins Jeffrey Alan

President & CEO

Executive Director
23,707 -0.9%
1.39
US$32,846 		23,707 -0.9% 1.39 US$32,846
2025-03-24 2025-03-21 S Sale
2.6
LaPointe Christian

General Counsel & Corp. Secr.

Officer
4,896 -0.5%
1.39
US$6,783 		4,896 -0.5% 1.39 US$6,783
2025-03-24 2025-03-21 S Sale
3.0
Keyes Jeffry R.

Chief Financial Officer

Officer
8,626 -0.7%
1.39
US$11,951 		8,626 -0.7% 1.39 US$11,951
2025-03-24 2025-03-21 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
4,317 -0.5%
1.39
US$5,981 		4,317 -0.5% 1.39 US$5,981
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
42,313 -3.3%
4.10
US$173,310 		42,313 -3.3% 4.10 US$173,310
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
834,254 -39.2%
3.30
US$2,755,875 		834,254 -39.2% 3.30 US$2,755,875
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
42,313 -3.3%
4.10
US$173,310 		42,313 -3.3% 4.10 US$173,310
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
834,254 -39.2%
3.30
US$2,755,875 		834,254 -39.2% 3.30 US$2,755,875
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
42,313 -3.3%
4.10
US$173,310 		42,313 -3.3% 4.10 US$173,310
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
834,254 -39.2%
3.30
US$2,755,875 		834,254 -39.2% 3.30 US$2,755,875
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
42,313 -3.3%
4.10
US$173,310 		42,313 -3.3% 4.10 US$173,310
2024-12-31 2024-12-27 PlS Planned sale
2.3
ROTHBERG JONATHAN M
Non-Executive Director Large shareholder
834,253 -39.2%
3.30
US$2,755,871 		834,253 -39.2% 3.30 US$2,755,871
2024-12-27 2024-12-27 PrS Proposed sale
2.3
ROTHBERG JONATHAN M

Director

Non-Executive Director
3,506,267
3.34
US$11,716,541 		3,506,267 3.34 US$11,716,541
2024-12-26 2024-12-23 S Sale
2.8
Vieceli John S.

Chief Product Officer

Officer
4,306 -2.6%
1.29
US$5,570 		4,306 -2.6% 1.29 US$5,570
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