Gudmundsson Olafur S
Director · JBTM
As of 2026-09-16, Gudmundsson Olafur S has 8 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
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-12-10 | JBTM | Sale | 10,000 @ $150.09 | $1.5M | −50.1% of holding | 9,980 | Form 4 |
| 2025-11-26 | JBTM | Sale | 19,870 @ $141.79 | $2.8M | −49.7% of holding | 20,110 | Form 4 |
| 2025-11-26 | JBTM | Sale | 130 @ $142.51 | $19K | −0.6% of holding | 19,980 | Form 4 |
5 award / exercise / gift records — not counted as purchases
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.