VIECELI JOHN S.

PrivateCIK: 2032947
Location

BRANFORD, CT

VIECELI JOHN S. (Chief Product Officer) sold 2.7% of their position (21.93K shares) of QUANTUM-SI INC on the open market

Open‑market sale worth $28.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderVIECELI JOHN S.CIK 2032947
IssuerQUANTUM-SI INCCIK 1816431
Officer· Chief Product Officer
Since Mar 2026
-21.93K
Net shares
Net seller
$28.0K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
21.93K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

21.93K

Price / share

$1.28

Trade value

$27.98K

% of position

2.7%
12/22/2025
822.90K800.97K
Total

Net shares

21.93K

Net value

-$27.98K

Derivative Transactions0
No derivative transactions reported
VIECELI JOHN S. — Insider Transaction (Form 4) Filed Dec 22, 2025 | Finecho