Biller Jonathan

Officer · VRTX

As of 2026-09-27, Biller Jonathan has 23 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.

Pattern in the record: open-market sales filed in February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $7.2MIndirect: $0$7.2Mas of 2026-09-27
  • Direct $7.2M
  • Indirect $0
VRTXdirect13,659 sh$7.2M

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 · 23 trades
2026-02-25: Sale, 945 sh ($460K)2026-02-24: Withheld for tax, 1,144 sh ($555K)2026-02-18: Sale, 1,244 sh ($589K)2026-02-17: Sale, 2,476 sh ($1.2M)2026-02-17: Withheld for tax, 1,505 sh ($728K)2026-02-17: Award / grant, 4,135 sh ($0)2026-02-13: Withheld for tax, 2,993 sh ($1.5M)2026-02-13: Sale, 988 sh ($493K)2026-02-11: Sale, 1,925 sh ($886K)2026-02-10: Withheld for tax, 1,630 sh ($764K)2026-01-22: Award / grant, 6,294 sh ($0)2026-01-22: Award / grant, 2,774 sh ($0)2025-12-03: Sale, 347 sh ($156K)2025-10-02: Sale, 694 sh ($281K)2025-10-01: Withheld for tax, 1,259 sh ($504K)2025-02-18: Sale, 1,657 sh ($754K)2025-02-14: Withheld for tax, 1,504 sh ($697K)2025-02-12: Award / grant, 4,437 sh ($0)2025-02-11: Sale, 3,433 sh ($1.6M)2025-02-10: Withheld for tax, 1,632 sh ($764K)2025-02-04: Award / grant, 4,744 sh ($0)2024-10-02: Sale, 999 sh ($461K)2024-10-01: Withheld for tax, 630 sh ($294K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-25VRTXSale945 @ $486.35$460K−6.5% of holding13,659Form 4
2026-02-18VRTXSale1,244 @ $473.68$589K−7.3% of holding15,748Form 4
2026-02-17VRTXSale2,476 @ $489.46$1.2M−12.7% of holding16,992Form 4
2026-02-13VRTXSale988 @ $499.00$493K−5.5% of holding16,838Form 4
2026-02-11VRTXSale1,925 @ $460.43$886K−8.5% of holding20,819Form 4
2025-12-03VRTXSale347 @ $449.00$156K−2.2% of holding15,306Form 4
2025-10-02VRTXSale694 @ $404.21$281K−4.2% of holding15,653Form 4
2025-02-18VRTXSale1,657 @ $455.06$754K−8.6% of holding17,606Form 4
2025-02-11VRTXSale3,433 @ $459.87$1.6M−17.4% of holding16,330Form 4
2024-10-02VRTXSale999 @ $461.66$461K−5.7% of holding16,651Form 4
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-24VRTXWithheld for tax1,14414,604Form 4
2026-02-17VRTXWithheld for tax1,50519,468Form 4
2026-02-17VRTXAward / grant4,13520,973Form 4
2026-02-13VRTXWithheld for tax2,99317,826Form 4
2026-02-10VRTXWithheld for tax1,63022,744Form 4
2026-01-22VRTXAward / grant6,29421,600Form 4
2026-01-22VRTXAward / grant2,77424,374Form 4
2025-10-01VRTXWithheld for tax1,25916,347Form 4
2025-02-14VRTXWithheld for tax1,50419,263Form 4
2025-02-12VRTXAward / grant4,43720,767Form 4
2025-02-10VRTXWithheld for tax1,63219,763Form 4
2025-02-04VRTXAward / grant4,74421,395Form 4
2024-10-01VRTXWithheld for tax63017,650Form 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.