SZOSTAK M ANNE
Director · IDXX
As of 2026-09-16, SZOSTAK M ANNE has 19 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 $0
- Indirect $133K
| IDXX | indirect | 259 sh | $133K |
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 |
|---|---|---|---|---|---|---|---|
| 2025-08-22 | IDXX | Sale | 2,187 @ $647.33 | $1.4M | −89.3% of holding | 262 | Form 4 |
| 2025-05-21 | IDXX | Sale | 1,260 @ $512.34 | $646K | −41.2% of holding | 1,801 | Form 4 |
| 2025-05-21 | IDXX | Sale | 1,046 @ $513.74 | $537K | −80.0% of holding | 262 | Form 4 |
| 2025-02-07 | IDXX | Sale | 3,000 @ $465.94 | $1.4M | −49.5% of holding | 3,061 | Form 4 |
15 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-07 | IDXX | Option exercise | 257 | 519 | Form 4 |
| 2026-05-07 | IDXX | Option exercise | 257 | 0 | Form 4 |
| 2026-05-07 | IDXX | Option exercise | 257 | 0 | Form 4 |
| 2025-08-22 | IDXX | Option exercise | 2,187 | 2,449 | Form 4 |
| 2025-08-22 | IDXX | Gift | 259 | 1,542 | Form 4 |
| 2025-08-22 | IDXX | Gift | 259 | 259 | Form 4 |
| 2025-08-22 | IDXX | Option exercise | 2,187 | 0 | Form 4 |
| 2025-08-22 | IDXX | Option exercise | 2,187 | 0 | Form 4 |
| 2025-05-21 | IDXX | Option exercise | 1,046 | 1,308 | Form 4 |
| 2025-05-21 | IDXX | Option exercise | 1,046 | 0 | Form 4 |
| 2025-05-21 | IDXX | Option exercise | 1,046 | 0 | Form 4 |
| 2025-05-07 | IDXX | Award / grant | 257 | 257 | Form 4 |
| 2025-05-07 | IDXX | Award / grant | 600 | 600 | Form 4 |
| 2025-05-06 | IDXX | Option exercise | 262 | 0 | Form 4 |
| 2025-05-06 | IDXX | Option exercise | 262 | 262 | Form 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.