RICHTER BRET

Officer · ZD

As of 2026-09-16, RICHTER BRET has 30 Form 4 transactions on record across 1 company — 14 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: $1.7MIndirect: $0$1.7Mas of 2026-09-16
  • Direct $1.7M
  • Indirect $0
ZDdirect29,244 sh$1.7M

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

ZD · 30 trades
2026-06-10: Sale, 18,000 sh ($844K)2026-03-11: Award / grant, 42,977 sh ($0)2026-03-08: Withheld for tax, 2,047 sh ($87K)2026-03-08: Option exercise, 3,695 sh ($0)2026-03-08: Option exercise, 3,695 sh ($0)2026-03-06: Withheld for tax, 4,674 sh ($198K)2026-03-06: Option exercise, 8,722 sh ($0)2026-03-06: Option exercise, 8,722 sh ($0)2026-03-05: Withheld for tax, 8,232 sh ($359K)2026-03-05: Option exercise, 15,282 sh ($0)2026-03-05: Option exercise, 15,282 sh ($0)2025-12-31: Withheld for tax, 4,705 sh ($165K)2025-12-31: Option exercise, 5,047 sh ($0)2025-12-31: Option exercise, 5,047 sh ($0)2025-03-07: Withheld for tax, 1,886 sh ($77K)2025-03-07: Option exercise, 3,695 sh ($0)2025-03-07: Option exercise, 3,695 sh ($0)2025-03-06: Withheld for tax, 5,390 sh ($211K)2025-03-06: Withheld for tax, 4,241 sh ($166K)2025-03-06: Withheld for tax, 771 sh ($30K)2025-03-06: Option exercise, 14,953 sh ($0)2025-03-06: Option exercise, 8,722 sh ($0)2025-03-06: Option exercise, 2,140 sh ($0)2025-03-06: Option exercise, 8,722 sh ($0)2025-03-06: Option exercise, 14,953 sh ($0)2025-03-05: Purchase, 2,500 sh ($98K)2025-03-05: Award / grant, 45,848 sh ($0)2025-01-01: Withheld for tax, 2,230 sh ($121K)2025-01-01: Option exercise, 5,074 sh ($0)2025-01-01: Option exercise, 5,074 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-10ZDSale18,000 @ $46.88$844K−38.1% of holding29,244Form 4
2025-03-05ZDPurchase2,500 @ $39.21$98K+18.1% of holding16,339Form 4
28 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-11ZDAward / grant42,97742,977Form 4
2026-03-08ZDWithheld for tax2,04747,244Form 4
2026-03-08ZDOption exercise3,69549,291Form 4
2026-03-08ZDOption exercise3,6953,696Form 4
2026-03-06ZDWithheld for tax4,67445,596Form 4
2026-03-06ZDOption exercise8,7228,722Form 4
2026-03-06ZDOption exercise8,72250,270Form 4
2026-03-05ZDWithheld for tax8,23241,548Form 4
2026-03-05ZDOption exercise15,28230,566Form 4
2026-03-05ZDOption exercise15,28249,780Form 4
2025-12-31ZDWithheld for tax4,70533,930Form 4
2025-12-31ZDOption exercise5,0470Form 4
2025-12-31ZDOption exercise5,04738,635Form 4
2025-03-07ZDWithheld for tax1,88633,561Form 4
2025-03-07ZDOption exercise3,69511,086Form 4
2025-03-07ZDOption exercise3,69535,447Form 4
2025-03-06ZDWithheld for tax5,39025,902Form 4
2025-03-06ZDWithheld for tax4,24130,383Form 4
2025-03-06ZDWithheld for tax77131,752Form 4
2025-03-06ZDOption exercise14,95331,292Form 4
2025-03-06ZDOption exercise8,72234,624Form 4
2025-03-06ZDOption exercise2,14032,523Form 4
2025-03-06ZDOption exercise8,72217,444Form 4
2025-03-06ZDOption exercise14,9530Form 4
2025-03-05ZDAward / grant45,84845,848Form 4
2025-01-01ZDWithheld for tax2,23013,584Form 4
2025-01-01ZDOption exercise5,0745,074Form 4
2025-01-01ZDOption exercise5,07415,548Form 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.