Lanfear Dennis M

Director · Officer · CHRS

As of 2026-09-16, Lanfear Dennis M has 43 Form 4 transactions on record across 1 company — 39 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: $275KIndirect: $0$275Kas of 2026-09-16
  • Direct $275K
  • Indirect $0
CHRSdirect225,000 sh$275K

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

CHRS · 43 trades
2026-05-29: Award / grant, 225,000 sh2026-05-29: Award / grant, 400,000 sh2026-05-29: Award / grant, 450,000 sh2026-05-29: Award / grant, 500,000 sh2026-05-29: Award / grant, 500,000 sh2026-05-29: Award / grant, 125,000 sh2026-05-29: Award / grant, 402,500 sh2026-05-29: Award / grant, 402,500 sh2026-05-29: Disposition, 200,000 sh2026-05-29: Disposition, 400,000 sh2026-05-29: Disposition, 450,000 sh2026-05-29: Disposition, 500,000 sh2026-05-29: Disposition, 500,000 sh2026-05-29: Disposition, 125,000 sh2026-05-29: Disposition, 402,500 sh2026-05-29: Disposition, 402,500 sh2026-05-29: Disposition, 225,000 sh2026-05-29: Award / grant, 200,000 sh2026-05-29: Award / grant, 400,000 sh2026-05-29: Award / grant, 450,000 sh2026-05-29: Award / grant, 500,000 sh2026-05-29: Award / grant, 500,000 sh2026-05-29: Award / grant, 125,000 sh2026-05-29: Award / grant, 402,500 sh2026-05-29: Award / grant, 402,500 sh2026-05-29: Award / grant, 225,000 sh2026-05-29: Disposition, 200,000 sh2026-05-29: Disposition, 400,000 sh2026-05-29: Disposition, 450,000 sh2026-05-29: Disposition, 500,000 sh2026-05-29: Disposition, 500,000 sh2026-05-29: Disposition, 125,000 sh2026-05-29: Disposition, 402,500 sh2026-05-29: Disposition, 402,500 sh2026-05-29: Disposition, 225,000 sh2026-05-29: Award / grant, 200,000 sh2026-01-23: Award / grant, 375,000 sh ($0)2026-01-23: Award / grant, 750,000 sh ($0)2026-01-20: Withheld for tax, 11,839 sh ($18K)2025-05-07: Award / grant, 375,000 sh ($0)2025-01-20: Withheld for tax, 11,810 sh ($16K)2025-01-10: Award / grant, 575,000 sh ($0)2025-01-04: Withheld for tax, 11,810 sh ($20K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
43 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-29CHRSAward / grant225,000225,000Form 4
2026-05-29CHRSAward / grant400,000400,000Form 4
2026-05-29CHRSAward / grant450,000450,000Form 4
2026-05-29CHRSAward / grant500,000500,000Form 4
2026-05-29CHRSAward / grant500,000500,000Form 4
2026-05-29CHRSAward / grant125,000125,000Form 4
2026-05-29CHRSAward / grant402,500402,500Form 4
2026-05-29CHRSAward / grant402,500402,500Form 4
2026-05-29CHRSDisposition200,0000Form 4
2026-05-29CHRSDisposition400,0000Form 4
2026-05-29CHRSDisposition450,0000Form 4
2026-05-29CHRSDisposition500,0000Form 4
2026-05-29CHRSDisposition500,0000Form 4
2026-05-29CHRSDisposition125,0000Form 4
2026-05-29CHRSDisposition402,5000Form 4
2026-05-29CHRSDisposition402,5000Form 4
2026-05-29CHRSDisposition225,0000Form 4
2026-05-29CHRSAward / grant200,000200,000Form 4
2026-05-29CHRSAward / grant400,000400,000Form 4
2026-05-29CHRSAward / grant450,000450,000Form 4
2026-05-29CHRSAward / grant500,000500,000Form 4
2026-05-29CHRSAward / grant500,000500,000Form 4
2026-05-29CHRSAward / grant125,000125,000Form 4
2026-05-29CHRSAward / grant402,500402,500Form 4
2026-05-29CHRSAward / grant402,500402,500Form 4
2026-05-29CHRSAward / grant225,000225,000Form 4
2026-05-29CHRSDisposition200,0000Form 4
2026-05-29CHRSDisposition400,0000Form 4
2026-05-29CHRSDisposition450,0000Form 4
2026-05-29CHRSDisposition500,0000Form 4
2026-05-29CHRSDisposition500,0000Form 4
2026-05-29CHRSDisposition125,0000Form 4
2026-05-29CHRSDisposition402,5000Form 4
2026-05-29CHRSDisposition402,5000Form 4
2026-05-29CHRSDisposition225,0000Form 4
2026-05-29CHRSAward / grant200,000200,000Form 4
2026-01-23CHRSAward / grant375,0001,048,235Form 4
2026-01-23CHRSAward / grant750,000750,000Form 4
2026-01-20CHRSWithheld for tax11,839673,235Form 4
2025-05-07CHRSAward / grant375,000375,000Form 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.