Senior insider sale
Chief Product Officer at QUANTUM-SI INC — senior position signals high conviction
$68.4K
39.37K shares
What this filing means
VIECELI JOHN S. plans to sell 39.37K shares of QUANTUM-SI INC valued at approximately $68.4K. 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: 10/20/2025ACC: 0002032947-25-000002
Officer· Chief Product Officer
Since Mar 2026
39.37K
Shares to sell
$68.4K
Approx. market value
19.69K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months2
Restricted Stock Unit Vesting
Equity compensation for services rendered
3/12/2025
15.81KRestricted Stock Unit Vesting
Equity compensation for services rendered
3/15/2024
3.88KTotal acquired19.69K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/12/2025 | Restricted Stock Unit Vesting Equity compensation for services rendered | 15.81K | — |
3/15/2024 | Restricted Stock Unit Vesting Equity compensation for services rendered | 3.88K | — |
| Total | 19.69K | ||
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
$19.7K
9/22/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
19.69K
Market value
$32.7K
9/22/2025
Total
Units
39.37K
Value
$68.4K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/23/2025 | 9.84K | $16.1K | — | Completed |
9/22/2025 | 9.84K | $19.7K | — | Completed |
| Planned — Approximate Date | ||||
9/22/2025 | 19.69K | $32.7K | NASDAQ | Planned |
| Total | 39.37K | $68.4K | ||