NEIL GARRY ARTHUR

Director · Officer · CLDX, AVTX

As of 2026-09-16, NEIL GARRY ARTHUR has 13 Form 4 transactions on record across 2 companies — 7 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: $4.2MIndirect: $0$4.2Mas of 2026-09-16
  • Direct $4.2M
  • Indirect $0
AVTXdirect190,314 sh$3.2M
CLDXdirect26,000 sh$1.0M

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

AVTX · 11 trades
2026-05-21: Award / grant, 100,200 sh ($0)2026-03-28: Withheld for tax, 21,892 sh ($304K)2026-03-28: Option exercise, 64,866 sh ($0)2026-03-28: Option exercise, 64,866 sh2026-03-28: Option exercise, 64,866 sh2026-02-26: Award / grant, 286,000 sh ($0)2025-03-28: Withheld for tax, 17,787 sh ($150K)2025-03-28: Option exercise, 64,867 sh ($0)2025-03-28: Option exercise, 64,867 sh2025-03-28: Option exercise, 64,867 sh2025-01-28: Award / grant, 411,000 sh ($0)
CLDX · 2 trades
2026-06-25: Award / grant, 26,000 sh ($0)2025-06-05: Award / grant, 16,500 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-25CLDXAward / grant26,00026,000Form 4
2026-05-21AVTXAward / grant100,200190,314Form 4
2026-03-28AVTXWithheld for tax21,89290,114Form 4
2026-03-28AVTXOption exercise64,86664,867Form 4
2026-03-28AVTXOption exercise64,866112,006Form 4
2026-03-28AVTXOption exercise64,866112,006Form 4
2026-02-26AVTXAward / grant286,000286,000Form 4
2025-06-05CLDXAward / grant16,50016,500Form 4
2025-03-28AVTXWithheld for tax17,78747,140Form 4
2025-03-28AVTXOption exercise64,867129,733Form 4
2025-03-28AVTXOption exercise64,86764,927Form 4
2025-03-28AVTXOption exercise64,86764,927Form 4
2025-01-28AVTXAward / grant411,000411,000Form 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.