Updated Jul 16, 2026
Silk Mark J is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.

Mark J Silk is a director and 10% owner of SIFCO Industries Inc (SIF) as reported in the most recent SEC filing dated 2026-01-30. The filing shows no purchases or dispositions by Mr. Silk in that period. SIFCO Industries provides forgings, machined components, and related services to Aerospace, Defense, and Energy markets, and Mr. Silk serves on the board of directors in a governance capacity based on the SEC filing.
| Role | Director, 10% Owner |
|---|---|
| Notability | 35/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-30 | SIF | SIFCO INDUSTRIES INC | A — Grant or award | 6.0K | $0.00 |
Mark J Silk is a director and 10% owner of SIFCO Industries Inc (SIF) as reported in the most recent SEC filing dated 2026-01-30. The filing shows no purchases or dispositions by Mr. Silk in that period. SIFCO Industries provides forgings, machined components, and related services to Aerospace, Defense, and Energy markets, and Mr. Silk serves on the board of directors in a gove…
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