Issuer positions
2
Reporting Owner Activity for Mark Culhane
Form 3/4/5 issuer positions and transaction evidence for this reporting owner.
Largest position
TERADATA CORP /DE/
Disclosed value
$12.64M
Recent activity
Available
- Owner position summary
-
Reported owner value
$12,639,983
Estimated from parsed Forms 3/4/5 when the filing discloses holding values.
Issuer count
2
Distinct issuers tied to this reporting owner in parsed SEC filings.
Largest reported position
TERADATA CORP /DE/ (TDC)
About $12.42M reported in parsed owner filings.
Latest owner filing
03 Oct 2025
Most recent owner-level filing date in the parsed SEC record.
- Reported values are estimates from parsed SEC Forms 3/4/5 when the filing includes enough pricing and share data.
- Verify the source filing before treating any owner position as current.
- Location
- Pleasanton, CA
- SEC signature
- /s/ Cassandra Monteon as attorney-in-fact for Mark Culhane
- Source evidence
- Open source filing history
SEC ownership signals
1 fact
Identity
1 fact
SEC filing record
1 fact
SEC evidence
1 fact
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Reported issuer positions for Mark Culhane
TDC
Forms 3/4/5
TERADATA CORP /DE/
- Relationship
- Chief Financial Officer
- Holdings value
- $12,423,490
- Past year net change
- Change %
- Report period
- 27 May 2021
GNSS
Forms 3/4/5
Genasys Inc.
- Relationship
- Director
- Holdings value
- $216,493
- Past year net change
- Change %
- Report period
- 01 Oct 2025
Insider Transactions Reported by Mark Culhane:
| Sym | Company | Class | Transaction | % | Reported value | Reported price | Shares | Shares after | Date | Ownership |
|---|
* indicates a reported price that failed the local validity check.