Portmann Marco

Officer · AEBI

As of 2026-09-16, Portmann Marco has 4 Form 4 transactions on record across 1 company — 3 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: $485KIndirect: $0$485Kas of 2026-09-16
  • Direct $485K
  • Indirect $0
AEBIdirect40,459 sh$485K

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

AEBI · 4 trades
2026-06-01: Award / grant, 10,459 sh ($131K)2026-05-15: Purchase, 5,000 sh ($57K)2025-11-14: Purchase, 5,000 sh ($56K)2025-08-15: Purchase, 5,000 sh ($61K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-15AEBIPurchase5,000 @ $11.31$57K+20.0% of holding30,000Form 4
2025-11-14AEBIPurchase5,000 @ $11.20$56K+25.0% of holding25,000Form 4
2025-08-15AEBIPurchase5,000 @ $12.25$61K+33.3% of holding20,000Form 4
1 award / exercise / gift record — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-01AEBIAward / grant10,45940,459Form 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.