Keyes Jeffry R.

Quantum-Si incorporated · Chief Financial Officer

Keyes Jeffry R. is listed in filings as Chief Financial Officer at Quantum-Si incorporated. This profile follows SEC Form 4 activity through Apr 22, 2026, including sale activity and purchase activity. Recent filings connect the profile to Quantum-Si incorporated (QSI) and CNS Pharmaceuticals, Inc. (CNSP). The current snapshot covers public activity from Aug 13, 2024 to Apr 22, 2026. Reported amounts are shown as $37.2K to $3.7K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.

History Trades

CompanyValueActionPriceLast Price
Quantum-Si incorporatedQSI$38k37.4k sharesSellApr 20, 2026$1.01$0.8193
Quantum-Si incorporatedQSI$3.7k4.4k sharesSellMar 23, 2026$0.8266$0.8193
Quantum-Si incorporatedQSI$3.6k4.2k sharesSellMar 20, 2026$0.8483$0.8193
Quantum-Si incorporatedQSI$11k8.6k sharesSellDec 22, 2025$1.28$0.8193
Quantum-Si incorporatedQSI$6.3k3.9k sharesSellSep 23, 2025$1.64$0.8193
Quantum-Si incorporatedQSI$6.5k3.9k sharesSellSep 22, 2025$1.68$0.8193
Quantum-Si incorporatedQSI$14k8.6k sharesSellJun 23, 2025$1.61$0.8193
Quantum-Si incorporatedQSI$12k8.6k sharesSellMar 21, 2025$1.39$0.8193
Quantum-Si incorporatedQSI$43k50k sharesBuyAug 9, 2024$0.8693$0.8193