Onderdonk Keith P
Officer · SPH
As of 2026-09-16, Onderdonk Keith P has 7 Form 4 transactions on record across 1 company — 7 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 $363K
- Indirect $0
| SPH | direct | 21,316 sh | $363K |
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 |
|---|
7 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2025-11-15 | SPH | Award / grant | 10,717 | 86,599 | Form 4 |
| 2025-11-15 | SPH | Award / grant | 10,717 | 21,316 | Form 4 |
| 2025-11-14 | SPH | Disposition | 9,460 | 75,882 | Form 4 |
| 2025-11-14 | SPH | Option exercise | 9,460 | 85,342 | Form 4 |
| 2025-11-14 | SPH | Withheld for tax | 4,807 | 75,882 | Form 4 |
| 2025-11-14 | SPH | Option exercise | 9,460 | 10,599 | Form 4 |
| 2025-11-14 | SPH | Option exercise | 9,460 | 10,599 | 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.