Senior insider sale
Chief Product Officer at QUANTUM-SI INC — senior position signals high conviction
$60.6K
41.61K shares
What this filing means
VIECELI JOHN S. plans to sell 41.61K shares of QUANTUM-SI INC valued at approximately $60.6K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/22/2025ACC: 0002032947-25-000004
Officer· Chief Product Officer
Since Mar 2026
41.61K
Shares to sell
$60.6K
Approx. market value
21.93K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months2
Restricted Stock Unit Vesting
Equity compensation for services rendered
3/12/2025
17.61KRestricted Stock Unit Vesting
Equity compensation for services rendered
3/15/2024
4.32KTotal acquired21.93K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/12/2025 | Restricted Stock Unit Vesting Equity compensation for services rendered | 17.61K | — |
3/15/2024 | Restricted Stock Unit Vesting Equity compensation for services rendered | 4.32K | — |
| Total | 21.93K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
9.84K
Market value
$16.1K
9/23/2025
—Completed
Units to sell
9.84K
Market value
$16.6K
9/22/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
21.93K
Market value
$28.0K
12/22/2025
Total
Units
41.61K
Value
$60.6K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/23/2025 | 9.84K | $16.1K | — | Completed |
9/22/2025 | 9.84K | $16.6K | — | Completed |
| Planned — Approximate Date | ||||
12/22/2025 | 21.93K | $28.0K | NASDAQ | Planned |
| Total | 41.61K | $60.6K | ||