Whitaker Corby C
Officer · ASPN
As of 2026-09-16, Whitaker Corby C has 10 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 $1.0M
- Indirect $0
| ASPN | direct | 205,315 sh | $1.0M |
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 |
|---|
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-08 | ASPN | Withheld for tax | 1,924 | 205,315 | Form 4 |
| 2026-03-05 | ASPN | Withheld for tax | 3,907 | 207,239 | Form 4 |
| 2026-03-04 | ASPN | Award / grant | 77,824 | 77,824 | Form 4 |
| 2026-03-04 | ASPN | Award / grant | 57,462 | 211,146 | Form 4 |
| 2025-03-07 | ASPN | Withheld for tax | 1,924 | 153,684 | Form 4 |
| 2025-03-05 | ASPN | Withheld for tax | 936 | 130,098 | Form 4 |
| 2025-03-05 | ASPN | Award / grant | 35,961 | 35,961 | Form 4 |
| 2025-03-05 | ASPN | Award / grant | 25,510 | 155,608 | Form 4 |
| 2025-03-05 | ASPN | Award / grant | 51,020 | 51,020 | Form 4 |
| 2025-02-21 | ASPN | Withheld for tax | 499 | 131,034 | 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.