Vieceli John S.
Chief Product Officer
Vieceli John S. has filed 5 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jun 25, 2026.
On the most recent filing, Vieceli John S. is listed as Chief Product Officer at Quantum-Si Inc. Inside the rolling window, Vieceli John S. reported no open-market purchases and 5 open-market sales totaling $74K in QSI. The largest disclosed transaction in the window is a sale of 21,927 QSI shares on Dec 22, 2025, worth $28K.
Companies traded
Other insiders at QSI
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$74K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Vieceli John S. made?
Vieceli John S. has filed 5 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does Vieceli John S. trade?
Vieceli John S. has filed SEC Form 4 disclosures for 1 company, including QSI.
When was Vieceli John S.'s most recent SEC Form 4 filing?
Vieceli John S.'s most recent SEC Form 4 filing on Tracefour is dated Jun 25, 2026.
What is Vieceli John S.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Vieceli John S. is listed as Chief Product Officer.
What is Vieceli John S.'s total buy and sell value in the current window?
Inside the rolling retention window, Vieceli John S. bought $0 and sold $74K based on SEC Form 4 filings.
What was Vieceli John S.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 21,927 QSI shares on 2025-12-22, worth $28K, per SEC Form 4 filings.