Martin Heather

Officer · Other reporting person · ATEX

As of 2026-09-17, Martin Heather has 4 Form 4 transactions on record across 1 company — 4 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: $2.1MIndirect: $0$2.1Mas of 2026-09-17
  • Direct $2.1M
  • Indirect $0
ATEXdirect26,743 sh$2.1M

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

ATEX · 4 trades
2026-09-10: Sale, 8,064 sh ($679K)2026-09-09: Withheld for tax, 3,465 sh ($296K)2026-05-20: Award / grant, 3,694 sh ($0)2026-05-20: Award / grant, 17,453 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-10ATEXSale8,064 @ $84.20$679K−23.2% of holding26,743Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-09ATEXWithheld for tax3,46534,807Form 4
2026-05-20ATEXAward / grant3,69438,272Form 4
2026-05-20ATEXAward / grant17,45317,453Form 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.