SEC CIK 1215888
MCCOLLUM MARK A
Reported ownership across 6 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| HALview stock → | 216,993 | 2017-02-27 |
| AROCview stock → | 82,751 | 2018-04-26 |
| WLKview stock → | 11,824 | 2026-08-08 |
| SDRLview stock → | 7,269 | 2026-05-14 |
| OKEview stock → | 2,572 | 2026-05-20 |
| KBRview stock → | 0 | 2006-11-15 |
Position History — SDRL
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — SDRL
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-03 | Grant / award (derivative) | 2,618 | $0.00 | 2,618 |
| 2026-05-14 | Option exercise (derivative) | 4,860 | $0.00 | 0 |
| 2026-05-14 | Option exercise | 4,860 | — | 7,269 |
| 2025-05-14 | Grant / award (derivative) | 4,860 | $0.00 | 4,860 |
| 2025-04-17 | Option exercise (derivative) | 2,409 | $0.00 | 0 |
| 2025-04-17 | Option exercise | 2,409 | — | 2,409 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.