Dubner Derek

Director · Officer · Other reporting person · RDVT

As of 2026-09-16, Dubner Derek has 15 Form 4 transactions on record across 1 company — 13 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: $43.2MIndirect: $0$43.2Mas of 2026-09-16
  • Direct $43.2M
  • Indirect $0
RDVTdirect557,273 sh$43.2M

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

RDVT · 15 trades
2026-06-01: Sale, 6,000 sh ($346K)2026-06-01: Sale, 6,000 sh ($343K)2025-12-19: Withheld for tax, 5,247 sh ($293K)2025-12-19: Award / grant, 18,520 sh2025-12-19: Award / grant, 18,520 sh2025-11-13: Sale, 1,271 sh ($72K)2025-11-13: Sale, 440 sh ($25K)2025-11-12: Sale, 3,439 sh ($199K)2025-11-12: Sale, 660 sh ($38K)2025-11-11: Sale, 2,184 sh ($126K)2025-11-10: Sale, 6,273 sh ($364K)2025-11-10: Sale, 733 sh ($43K)2025-11-03: Withheld for tax, 9,379 sh ($503K)2025-05-09: Sale, 5,736 sh ($268K)2025-05-09: Sale, 4,264 sh ($194K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-01RDVTSale6,000 @ $57.62$346K−1.1% of holding563,273Form 4
2026-06-01RDVTSale6,000 @ $57.24$343K−1.1% of holding557,273Form 4
2025-11-13RDVTSale1,271 @ $56.73$72K−0.2% of holding556,000Form 4
2025-11-13RDVTSale440 @ $57.57$25K−0.1% of holding557,271Form 4
2025-11-12RDVTSale3,439 @ $57.80$199K−0.6% of holding557,711Form 4
2025-11-12RDVTSale660 @ $58.10$38K−0.1% of holding561,150Form 4
2025-11-11RDVTSale2,184 @ $57.81$126K−0.4% of holding561,810Form 4
2025-11-10RDVTSale6,273 @ $58.03$364K−1.1% of holding563,994Form 4
2025-11-10RDVTSale733 @ $58.81$43K−0.1% of holding570,267Form 4
2025-05-09RDVTSale5,736 @ $46.70$268K−1.0% of holding584,643Form 4
2025-05-09RDVTSale4,264 @ $45.55$194K−0.7% of holding580,379Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-12-19RDVTWithheld for tax5,247550,753Form 4
2025-12-19RDVTAward / grant18,520569,273Form 4
2025-12-19RDVTAward / grant18,520569,273Form 4
2025-11-03RDVTWithheld for tax9,379571,000Form 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.