McKechnie Duncan

Officer · VRTX

As of 2026-09-27, McKechnie Duncan has 12 Form 4 transactions on record across 1 company — 12 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: $5.8MIndirect: $0$5.8Mas of 2026-09-27
  • Direct $5.8M
  • Indirect $0
VRTXdirect11,001 sh$5.8M

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

VRTX · 12 trades
2026-07-02: Sale, 1,541 sh ($800K)2026-03-11: Sale, 2,633 sh ($1.3M)2026-03-04: Sale, 2,437 sh ($1.2M)2026-02-25: Sale, 2,500 sh ($1.2M)2026-02-25: Sale, 2,410 sh ($1.2M)2026-02-24: Withheld for tax, 873 sh ($424K)2026-02-17: Withheld for tax, 1,148 sh ($555K)2026-02-17: Award / grant, 4,962 sh ($0)2026-02-13: Withheld for tax, 2,283 sh ($1.1M)2026-02-10: Withheld for tax, 1,127 sh ($528K)2026-01-22: Award / grant, 4,720 sh ($0)2026-01-22: Award / grant, 2,080 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-07-02VRTXSale1,541 @ $519.00$800K−12.3% of holding11,001Form 4
2026-03-11VRTXSale2,633 @ $498.42$1.3M−17.4% of holding12,489Form 4
2026-03-04VRTXSale2,437 @ $475.30$1.2M−13.9% of holding15,122Form 4
2026-02-25VRTXSale2,500 @ $486.35$1.2M−11.1% of holding19,969Form 4
2026-02-25VRTXSale2,410 @ $489.00$1.2M−12.1% of holding17,559Form 4
7 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-24VRTXWithheld for tax87322,469Form 4
2026-02-17VRTXWithheld for tax1,14823,342Form 4
2026-02-17VRTXAward / grant4,96224,490Form 4
2026-02-13VRTXWithheld for tax2,28319,528Form 4
2026-02-10VRTXWithheld for tax1,12721,811Form 4
2026-01-22VRTXAward / grant4,72020,858Form 4
2026-01-22VRTXAward / grant2,08022,938Form 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.