Scott Mendel
CIK 1515051 · View on SEC EDGAR ↗
Insider
First SEC filing: July 9, 2026 · Latest: July 9, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 8, 2026 | QTRX | M | 8,073 | — | — | 16,391 Direct | -33.00% | Disposed | (price as of 2026-08-19) |
| July 8, 2026 | QTRX | M | 8,073 | — | — | 24,056 Direct | +50.51% | Acquired | (price as of 2026-08-19) |
| July 1, 2026 | QTRX | A | 3,456 | $4.34 | $14,999 | 16,837 Direct | +25.83% | Acquired | -33.7% (price as of 2026-08-19) |
| May 18, 2026 | QSI | A | 251,185 | — | — | 251,185 Direct | — | Acquired | (price as of 2026-08-19) |
| May 19, 2025 | QSI | A | 126,095 | — | — | 126,095 Direct | — | Acquired | (price as of 2026-08-19) |
| May 16, 2024 | QSI | A | 113,281 | — | — | 113,281 Direct | — | Acquired | (price as of 2026-08-19) |
| May 12, 2023 | QSI | A | 141,843 | — | — | 141,843 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 8, 2026 | QTRX | Restricted Stock Unit | Common Stock (8,073) | $0.00 | — | 8,073 | Disposed |
| May 18, 2026 | QSI | Stock Option (right to buy) | Class A Common Stock (251,185) | $0.85 | May 18, 2036 | 251,185 | Acquired |
| May 19, 2025 | QSI | Stock Option (right to buy) | Class A Common Stock (126,095) | $1.41 | May 19, 2035 | 126,095 | Acquired |
| May 16, 2024 | QSI | Stock Option (right to buy) | Class A Common Stock (113,281) | $1.86 | May 16, 2034 | 113,281 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).