RADEMACHER JOHN CHARLES

Director · Officer · OPCH

As of 2026-09-16, RADEMACHER JOHN CHARLES has 17 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: $17.0MIndirect: $0$17.0Mas of 2026-09-16
  • Direct $17.0M
  • Indirect $0
OPCHdirect695,152 sh$17.0M

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

OPCH · 17 trades
2026-05-04: Purchase, 12,500 sh ($265K)2026-02-24: Withheld for tax, 11,050 sh ($374K)2026-02-22: Withheld for tax, 132,848 sh ($4.7M)2026-02-21: Withheld for tax, 4,956 sh ($177K)2026-02-21: Option exercise, 11,087 sh ($0)2026-02-21: Option exercise, 11,087 sh ($0)2026-02-20: Withheld for tax, 10,638 sh ($380K)2026-02-18: Award / grant, 78,876 sh ($0)2025-02-24: Award / grant, 74,814 sh ($0)2025-02-23: Withheld for tax, 5,872 sh ($188K)2025-02-22: Withheld for tax, 5,310 sh ($170K)2025-02-21: Withheld for tax, 78,612 sh ($2.5M)2025-02-21: Withheld for tax, 4,912 sh ($157K)2025-02-21: Option exercise, 11,087 sh ($0)2025-02-21: Option exercise, 11,087 sh ($0)2025-02-20: Withheld for tax, 10,630 sh ($344K)2025-02-18: Award / grant, 157,830 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-04OPCHPurchase12,500 @ $21.18$265K+1.8% of holding695,152Form 4
16 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-24OPCHWithheld for tax11,050682,652Form 4
2026-02-22OPCHWithheld for tax132,848693,702Form 4
2026-02-21OPCHWithheld for tax4,956826,550Form 4
2026-02-21OPCHOption exercise11,087831,506Form 4
2026-02-21OPCHOption exercise11,0870Form 4
2026-02-20OPCHWithheld for tax10,638820,419Form 4
2026-02-18OPCHAward / grant78,876831,057Form 4
2025-02-24OPCHAward / grant74,814752,181Form 4
2025-02-23OPCHWithheld for tax5,872677,367Form 4
2025-02-22OPCHWithheld for tax5,310683,239Form 4
2025-02-21OPCHWithheld for tax78,612688,549Form 4
2025-02-21OPCHWithheld for tax4,912767,161Form 4
2025-02-21OPCHOption exercise11,087772,073Form 4
2025-02-21OPCHOption exercise11,08711,087Form 4
2025-02-20OPCHWithheld for tax10,630760,986Form 4
2025-02-18OPCHAward / grant157,830771,616Form 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.