Chopin Brian M

Officer · HCC

As of 2026-09-16, Chopin Brian M has 27 Form 4 transactions on record across 1 company — 15 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: $2.0MIndirect: $0$2.0Mas of 2026-09-16
  • Direct $2.0M
  • Indirect $0
HCCdirect21,110 sh$2.0M

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

HCC · 27 trades
2026-08-19: Sale, 3,232 sh ($336K)2026-02-10: Withheld for tax, 158 sh ($14K)2026-02-10: Option exercise, 421 sh ($0)2026-02-10: Option exercise, 421 sh ($0)2026-02-09: Withheld for tax, 2,299 sh ($216K)2026-02-09: Award / grant, 6,052 sh ($0)2026-02-09: Award / grant, 745 sh ($0)2026-02-08: Withheld for tax, 223 sh ($20K)2026-02-08: Withheld for tax, 151 sh ($13K)2026-02-08: Option exercise, 354 sh ($0)2026-02-08: Option exercise, 522 sh ($0)2026-02-08: Option exercise, 354 sh ($0)2026-02-08: Option exercise, 522 sh ($0)2025-11-13: Sale, 1,498 sh ($121K)2025-11-12: Sale, 585 sh ($50K)2025-02-17: Withheld for tax, 223 sh ($11K)2025-02-17: Option exercise, 597 sh ($0)2025-02-17: Option exercise, 597 sh ($0)2025-02-10: Withheld for tax, 2,534 sh ($135K)2025-02-10: Award / grant, 1,263 sh ($0)2025-02-10: Award / grant, 6,546 sh ($0)2025-02-08: Withheld for tax, 223 sh ($12K)2025-02-08: Withheld for tax, 151 sh ($8K)2025-02-08: Option exercise, 354 sh ($0)2025-02-08: Option exercise, 522 sh ($0)2025-02-08: Option exercise, 354 sh ($0)2025-02-08: Option exercise, 522 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-19HCCSale3,232 @ $104.02$336K−13.3% of holding21,110Form 4
2025-11-13HCCSale1,498 @ $80.54$121K−7.0% of holding19,824Form 4
2025-11-12HCCSale585 @ $84.75$50K−2.7% of holding21,322Form 4
24 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-10HCCWithheld for tax15824,342Form 4
2026-02-10HCCOption exercise421842Form 4
2026-02-10HCCOption exercise42124,500Form 4
2026-02-09HCCWithheld for tax2,29924,079Form 4
2026-02-09HCCAward / grant6,05226,378Form 4
2026-02-09HCCAward / grant745745Form 4
2026-02-08HCCWithheld for tax22320,123Form 4
2026-02-08HCCWithheld for tax15120,326Form 4
2026-02-08HCCOption exercise354354Form 4
2026-02-08HCCOption exercise5220Form 4
2026-02-08HCCOption exercise35420,477Form 4
2026-02-08HCCOption exercise52220,346Form 4
2025-02-17HCCWithheld for tax22321,907Form 4
2025-02-17HCCOption exercise5970Form 4
2025-02-17HCCOption exercise59722,130Form 4
2025-02-10HCCWithheld for tax2,53421,533Form 4
2025-02-10HCCAward / grant1,2631,263Form 4
2025-02-10HCCAward / grant6,54624,067Form 4
2025-02-08HCCWithheld for tax22317,318Form 4
2025-02-08HCCWithheld for tax15117,521Form 4
2025-02-08HCCOption exercise35417,672Form 4
2025-02-08HCCOption exercise52217,541Form 4
2025-02-08HCCOption exercise354708Form 4
2025-02-08HCCOption exercise522522Form 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.