QUARTERMAIN ROBERT

Director · Officer · DC

As of 2026-09-16, QUARTERMAIN ROBERT has 18 Form 4 transactions on record across 1 company — 8 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: $45.6MIndirect: $0$45.6Mas of 2026-09-16
  • Direct $45.6M
  • Indirect $0
DCdirect8,031,364 sh$45.6M

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

DC · 18 trades
2026-04-15: Sale, 13,448 sh ($75K)2026-04-13: Option exercise, 275,000 sh ($1.3M)2026-04-13: Withheld for tax, 226,863 sh ($1.3M)2026-04-13: Option exercise, 275,000 sh ($0)2026-03-04: Exercise, 37,702 sh ($238K)2026-01-29: Exercise, 541,133 sh ($1.1M)2026-01-29: Exercise, 541,133 sh ($0)2026-01-23: Sale, 250,000 sh ($1.7M)2025-09-02: Award / grant, 325,000 sh ($0)2025-04-04: Purchase, 15,000 sh ($38K)2025-04-04: Purchase, 15,000 sh ($38K)2025-04-03: Purchase, 25,000 sh ($65K)2025-04-03: Purchase, 25,000 sh ($65K)2025-04-02: Purchase, 25,000 sh ($65K)2025-04-02: Purchase, 25,000 sh ($65K)2025-03-01: Withheld for tax, 12,618 sh ($38K)2025-03-01: Withheld for tax, 9,520 sh ($29K)2025-03-01: Award / grant, 82,508 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-15DCSale13,448 @ $5.61$75K−0.2% of holding8,031,364Form 4
2026-01-23DCSale250,000 @ $6.88$1.7M−3.2% of holding7,493,244Form 4
2025-04-04DCPurchase15,000 @ $2.50$38Kownership Δ n/a—Form 4
2025-04-04DCPurchase15,000 @ $2.50$38Kownership Δ n/a—Form 4
2025-04-03DCPurchase25,000 @ $2.60$65Kownership Δ n/a—Form 4
2025-04-03DCPurchase25,000 @ $2.60$65Kownership Δ n/a—Form 4
2025-04-02DCPurchase25,000 @ $2.62$65Kownership Δ n/a—Form 4
2025-04-02DCPurchase25,000 @ $2.62$65Kownership Δ n/a—Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-13DCOption exercise275,0008,271,675Form 4
2026-04-13DCWithheld for tax226,8638,044,812Form 4
2026-04-13DCOption exercise275,0000Form 4
2026-03-04DCExercise37,7027,996,675Form 4
2026-01-29DCExercise541,1338,034,377Form 4
2026-01-29DCExercise541,1330Form 4
2025-09-02DCAward / grant325,000325,000Form 4
2025-03-01DCWithheld for tax12,6187,595,739Form 4
2025-03-01DCWithheld for tax9,5207,608,357Form 4
2025-03-01DCAward / grant82,5087,678,247Form 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.