Insider at

04

Insider transactions

05
1 buys (P) 0 sells (S) Net: $9,695 Avg return of open purchases vs now: 31.4% 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

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 12, 2026 QTRX P 3,500 $2.77 $9,695 3,500 Direct · Acquired 31.4% (price as of 2026-10-02)

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.

Initial ownership (Form 3) 4 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 12, 2026 QTRX Performance Stock Unit→ Common Stock (70,223) 70,223 Direct
June 12, 2026 QTRX Restricted Stock Unit→ Common Stock (70,223) 70,223 Direct
June 12, 2026 QTRX Restricted Stock Unit→ Common Stock (22,959) 22,959 Direct
June 12, 2026 QTRX Stock Options (Right to buy)→ Common Stock (76,234) 76,234 Direct