Wensveen Maarten

Officer · CMPR

As of 2026-09-16, Wensveen Maarten has 63 Form 4 transactions on record across 1 company — 41 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: $2.9MIndirect: $0$2.9Mas of 2026-09-16
  • Direct $2.9M
  • Indirect $0
CMPRdirect35,048 sh$2.9M

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

CMPR · 63 trades
2026-08-15: Withheld for tax, 8,968 sh ($847K)2026-08-15: Option exercise, 11,683 sh ($0)2026-08-15: Option exercise, 3,697 sh ($0)2026-08-15: Option exercise, 1,860 sh ($0)2026-08-15: Option exercise, 1,303 sh ($0)2026-08-15: Option exercise, 11,683 sh ($0)2026-08-15: Option exercise, 1,303 sh ($0)2026-08-15: Option exercise, 1,860 sh ($0)2026-08-15: Option exercise, 3,697 sh ($0)2026-08-07: Award / grant, 46,731 sh ($0)2026-05-15: Withheld for tax, 3,282 sh ($306K)2026-05-15: Option exercise, 3,697 sh ($0)2026-05-15: Option exercise, 1,303 sh ($0)2026-05-15: Option exercise, 1,860 sh ($0)2026-05-15: Option exercise, 1,303 sh ($0)2026-05-15: Option exercise, 3,697 sh ($0)2026-05-15: Option exercise, 1,860 sh ($0)2026-05-05: Sale, 9,797 sh ($916K)2026-05-05: Option exercise, 10,000 sh ($462K)2026-05-05: Sale, 4,636 sh ($428K)2026-05-05: Sale, 2,884 sh ($265K)2026-05-05: Sale, 1,555 sh ($146K)2026-05-05: Sale, 379 sh ($34K)2026-05-05: Option exercise, 10,000 sh ($0)2026-02-15: Withheld for tax, 2,063 sh ($153K)2026-02-15: Option exercise, 3,697 sh ($0)2026-02-15: Option exercise, 1,860 sh ($0)2026-02-15: Option exercise, 3,697 sh ($0)2026-02-15: Option exercise, 1,303 sh ($0)2026-02-15: Option exercise, 1,860 sh ($0)2026-02-15: Option exercise, 1,303 sh ($0)2025-11-15: Withheld for tax, 3,319 sh ($221K)2025-11-15: Option exercise, 3,697 sh ($0)2025-11-15: Option exercise, 1,303 sh ($0)2025-11-15: Option exercise, 1,860 sh ($0)2025-11-15: Option exercise, 3,697 sh ($0)2025-11-15: Option exercise, 1,303 sh ($0)2025-11-15: Option exercise, 1,860 sh ($0)2025-11-03: Sale, 21,010 sh ($1.4M)2025-11-03: Sale, 1,294 sh ($90K)2025-11-03: Sale, 526 sh ($37K)2025-08-15: Withheld for tax, 5,695 sh ($343K)2025-08-15: Option exercise, 2,337 sh ($0)2025-08-15: Option exercise, 5,212 sh ($0)2025-08-15: Option exercise, 5,212 sh ($0)2025-08-15: Option exercise, 3,697 sh ($0)2025-08-15: Option exercise, 1,860 sh ($0)2025-08-15: Option exercise, 3,697 sh ($0)2025-08-15: Option exercise, 1,860 sh ($0)2025-08-15: Option exercise, 2,337 sh ($0)2025-08-07: Award / grant, 20,848 sh ($0)2025-05-15: Withheld for tax, 1,632 sh ($74K)2025-05-15: Option exercise, 1,860 sh ($0)2025-05-15: Option exercise, 1,860 sh ($0)2025-05-15: Option exercise, 3,697 sh ($0)2025-05-15: Option exercise, 3,697 sh ($0)2025-02-15: Withheld for tax, 2,738 sh ($147K)2025-02-15: Option exercise, 1,860 sh ($0)2025-02-15: Option exercise, 3,697 sh ($0)2025-02-15: Option exercise, 1,860 sh ($0)2025-02-15: Option exercise, 3,563 sh ($0)2025-02-15: Option exercise, 3,697 sh ($0)2025-02-15: Option exercise, 3,563 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-05CMPRSale9,797 @ $93.49$916K−31.6% of holding21,229Form 4
2026-05-05CMPRSale4,636 @ $92.39$428K−13.0% of holding31,026Form 4
2026-05-05CMPRSale2,884 @ $91.73$265K−7.5% of holding35,662Form 4
2026-05-05CMPRSale1,555 @ $94.13$146K−7.3% of holding19,674Form 4
2026-05-05CMPRSale379 @ $90.73$34K−1.0% of holding38,546Form 4
2025-11-03CMPRSale21,010 @ $68.24$1.4M−48.4% of holding22,407Form 4
2025-11-03CMPRSale1,294 @ $69.30$90K−5.8% of holding21,113Form 4
2025-11-03CMPRSale526 @ $70.74$37K−2.5% of holding20,587Form 4
55 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-15CMPRWithheld for tax8,96832,827Form 4
2026-08-15CMPROption exercise11,68335,048Form 4
2026-08-15CMPROption exercise3,69714,787Form 4
2026-08-15CMPROption exercise1,8600Form 4
2026-08-15CMPROption exercise1,30310,424Form 4
2026-08-15CMPROption exercise11,68341,795Form 4
2026-08-15CMPROption exercise1,30330,112Form 4
2026-08-15CMPROption exercise1,86025,112Form 4
2026-08-15CMPROption exercise3,69728,809Form 4
2026-08-07CMPRAward / grant46,73146,731Form 4
2026-05-15CMPRWithheld for tax3,28223,252Form 4
2026-05-15CMPROption exercise3,69718,484Form 4
2026-05-15CMPROption exercise1,30311,727Form 4
2026-05-15CMPROption exercise1,8601,860Form 4
2026-05-15CMPROption exercise1,30326,534Form 4
2026-05-15CMPROption exercise3,69725,231Form 4
2026-05-15CMPROption exercise1,86021,534Form 4
2026-05-05CMPROption exercise10,00038,925Form 4
2026-05-05CMPROption exercise10,00050,013Form 4
2026-02-15CMPRWithheld for tax2,06328,925Form 4
2026-02-15CMPROption exercise3,69729,685Form 4
2026-02-15CMPROption exercise1,8603,720Form 4
2026-02-15CMPROption exercise3,69722,181Form 4
2026-02-15CMPROption exercise1,30313,030Form 4
2026-02-15CMPROption exercise1,86025,988Form 4
2026-02-15CMPROption exercise1,30330,988Form 4
2025-11-15CMPRWithheld for tax3,31924,128Form 4
2025-11-15CMPROption exercise3,69725,878Form 4
2025-11-15CMPROption exercise1,30314,333Form 4
2025-11-15CMPROption exercise1,86022,447Form 4
2025-11-15CMPROption exercise3,69726,144Form 4
2025-11-15CMPROption exercise1,30327,447Form 4
2025-11-15CMPROption exercise1,8605,580Form 4
2025-08-15CMPRWithheld for tax5,69543,417Form 4
2025-08-15CMPROption exercise2,3370Form 4
2025-08-15CMPROption exercise5,21249,112Form 4
2025-08-15CMPROption exercise5,21215,636Form 4
2025-08-15CMPROption exercise3,69729,575Form 4
2025-08-15CMPROption exercise1,8607,440Form 4
2025-08-15CMPROption exercise3,69743,900Form 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.