Vinczeller Shiela
Officer · ATR
As of 2026-09-16, Vinczeller Shiela has 25 Form 4 transactions on record across 1 company — 14 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.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $3.3M
- Indirect $0
| ATR | direct | 26,313 sh | $3.3M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | ATR | Sale | 765 @ $130.37 | $100K | −2.8% of holding | 26,313 | Form 4 |
| 2026-06-04 | ATR | Sale | 2,957 @ $112.36 | $332K | −9.7% of holding | 27,676 | Form 4 |
| 2026-06-04 | ATR | Sale | 385 @ $113.52 | $44K | −1.4% of holding | 27,291 | Form 4 |
| 2026-06-04 | ATR | Sale | 213 @ $114.53 | $24K | −0.8% of holding | 27,078 | Form 4 |
| 2025-09-05 | ATR | Sale | 1,167 @ $137.97 | $161K | −4.4% of holding | 25,134 | Form 4 |
| 2025-05-07 | ATR | Sale | 995 @ $152.42 | $152K | −3.6% of holding | 26,301 | Form 4 |
19 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-01 | ATR | Withheld for tax | 2,150 | 30,633 | Form 4 |
| 2026-05-01 | ATR | Award / grant | 6,032 | 32,783 | Form 4 |
| 2026-03-19 | ATR | Award / grant | 6,592 | 6,592 | Form 4 |
| 2026-03-19 | ATR | Award / grant | 1,694 | 26,751 | Form 4 |
| 2026-03-17 | ATR | Withheld for tax | 139 | 25,057 | Form 4 |
| 2026-03-15 | ATR | Withheld for tax | 333 | 25,196 | Form 4 |
| 2026-02-25 | ATR | Withheld for tax | 96 | 24,651 | Form 4 |
| 2026-02-25 | ATR | Award / grant | 878 | 25,529 | Form 4 |
| 2026-02-24 | ATR | Withheld for tax | 219 | 24,747 | Form 4 |
| 2026-02-23 | ATR | Withheld for tax | 168 | 24,966 | Form 4 |
| 2025-05-02 | ATR | Withheld for tax | 2,533 | 27,296 | Form 4 |
| 2025-05-02 | ATR | Award / grant | 6,013 | 29,829 | Form 4 |
| 2025-03-17 | ATR | Withheld for tax | 333 | 22,393 | Form 4 |
| 2025-03-17 | ATR | Award / grant | 5,404 | 5,404 | Form 4 |
| 2025-03-17 | ATR | Award / grant | 1,423 | 23,816 | Form 4 |
| 2025-03-14 | ATR | Withheld for tax | 274 | 22,726 | Form 4 |
| 2025-02-25 | ATR | Withheld for tax | 244 | 22,022 | Form 4 |
| 2025-02-25 | ATR | Award / grant | 978 | 23,000 | Form 4 |
| 2025-02-24 | ATR | Withheld for tax | 385 | 22,266 | 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.