Quartel Adrian W

Officer · SPRB, ZVRA

As of 2026-09-16, Quartel Adrian W has 9 Form 4 transactions on record across 2 companies — 7 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $872KIndirect: $0$872Kas of 2026-09-16
  • Direct $872K
  • Indirect $0
SPRBdirect13,000 sh$704K
ZVRAdirect14,256 sh$168K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

ZVRA · 8 trades
2026-01-30: Sale, 4,533 sh ($40K)2026-01-30: Option exercise, 11,333 sh ($0)2026-01-30: Option exercise, 11,333 sh2026-01-30: Option exercise, 11,333 sh2026-01-29: Award / grant, 75,000 sh ($0)2026-01-29: Award / grant, 37,500 sh ($0)2025-01-30: Award / grant, 34,000 sh ($0)2025-01-30: Award / grant, 68,000 sh ($0)
SPRB · 1 trade
2026-07-27: Award / grant, 13,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-01-30ZVRASale4,533 @ $8.83$40K−31.8% of holding9,723Form 4
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-27SPRBAward / grant13,00013,000Form 4
2026-01-30ZVRAOption exercise11,33322,667Form 4
2026-01-30ZVRAOption exercise11,33314,256Form 4
2026-01-30ZVRAOption exercise11,33314,256Form 4
2026-01-29ZVRAAward / grant75,00075,000Form 4
2026-01-29ZVRAAward / grant37,50037,500Form 4
2025-01-30ZVRAAward / grant34,00034,000Form 4
2025-01-30ZVRAAward / grant68,00068,000Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.