Vieceli John S.

Quantum-Si incorporated · Chief Product Officer

Vieceli John S. is listed in filings as Chief Product Officer at Quantum-Si incorporated. This profile follows SEC Form 4 activity through Mar 24, 2026, including sale activity. Recent filings connect the profile to Quantum-Si incorporated (QSI). The current snapshot covers public activity from Sep 25, 2024 to Mar 24, 2026. Reported amounts are shown as $9.3K to $457.3K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.

Data sources and methodology

History Trades

CompanyValueActionPriceLast Price
Quantum-Si incorporatedQSI$9.1k10.8k sharesSellMar 20, 2026$0.8483$1.13
Quantum-Si incorporatedQSI$28k21.9k sharesSellDec 22, 2025$1.28$1.13
Quantum-Si incorporatedQSI$16k9.8k sharesSellSep 23, 2025$1.64$1.13
Quantum-Si incorporatedQSI$17k9.8k sharesSellSep 22, 2025$1.68$1.13
Quantum-Si incorporatedQSI$35k21.9k sharesSellJun 23, 2025$1.61$1.13
Quantum-Si incorporatedQSI$6.0k4.3k sharesSellMar 21, 2025$1.39$1.13
Quantum-Si incorporatedQSI$5.6k4.3k sharesSellDec 23, 2024$1.29$1.13
Quantum-Si incorporatedQSI$2.0k2.1k sharesSellSep 24, 2024$0.9307$1.13
Quantum-Si incorporatedQSI$2.1k2.2k sharesSellSep 23, 2024$0.9459$1.13