SIDU's three largest insider shareholders as of September 09, 2026 are Carol Marlene Craig (Ceo, 140.00K shares), Jeffrey S Shuman (Director, 47.31K shares), Leonardo Riera (Director, 13.92K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Carol Marlene Craig | Ceo | 140,000 | 0 | 140,000 | 60.2% | 20 Feb, 2025 |
| 2 | Jeffrey S Shuman | Director | 47,307 | 0 | 47,307 | 20.4% | 06 Jul, 2026 |
| 3 | Leonardo Riera | Director | 13,916 | 0 | 13,916 | 6.0% | 06 Jul, 2026 |
| 4 | Lavanson Coffey | Director | 13,006 | 0 | 13,006 | 5.6% | 06 Jul, 2026 |
| 5 | Dana S Kilborne | Director | 8,690 | 0 | 8,690 | 3.7% | 02 Oct, 2025 |
| 6 | John Cole Oliver | Director | 7,465 | 0 | 7,465 | 3.2% | 02 Oct, 2025 |
| 7 | Tiffany Ann Norwood | Director | 2,047 | 0 | 2,047 | 0.9% | 10 Jul, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Jul, 2026 | Tiffany Ann Norwood | Director | Acquired M | 2,047 | $0.00 | $0 | 2,047 | Direct |
| 01 Jul, 2026 | Tiffany Ann Norwood | Director | Acquired A | 19,288 | $0.00 | $0 | 19,288 | Direct |
| 01 Jul, 2026 | Tiffany Ann Norwood | Director | Disposed M | 2,047 | $0.00 | $0 | 17,241 | Direct |
| 01 Jul, 2026 | Leonardo Riera | Director | Acquired M | 4,749 | $0.00 | $0 | 13,916 | Direct |
| 01 Jul, 2026 | Kelle B. Wendling | Director | Acquired A | 17,241 | $0.00 | $0 | 17,241 | Direct |
| 01 Jul, 2026 | Lavanson Coffey | Director | Acquired M | 7,124 | $0.00 | $0 | 13,006 | Direct |
| 01 Jul, 2026 | Jeffrey S Shuman | Director | Acquired M | 16,621 | $0.00 | $0 | 47,307 | Direct |
| 01 Jul, 2026 | Jeffrey S Shuman | Director | Acquired A | 47,655 | $0.00 | $0 | 47,655 | Direct |
| 01 Jul, 2026 | Lavanson Coffey | Director | Acquired A | 24,365 | $0.00 | $0 | 24,365 | Direct |
| 01 Jul, 2026 | Leonardo Riera | Director | Acquired A | 21,990 | $0.00 | $0 | 21,990 | Direct |
| 01 Jul, 2026 | Lavanson Coffey | Director | Disposed M | 7,124 | $0.00 | $0 | 17,241 | Direct |
| 01 Jul, 2026 | Jeffrey S Shuman | Director | Disposed M | 16,621 | $0.00 | $0 | 31,034 | Direct |
| 01 Jul, 2026 | Leonardo Riera | Director | Disposed M | 4,749 | $0.00 | $0 | 17,241 | Direct |
| 01 Aug, 2025 | John Cole Oliver | Director | Acquired M | 6,975 | $0.00 | $0 | 6,975 | Direct |
| 01 Aug, 2025 | Lavanson Coffey | Director | Acquired M | 2,941 | $0.00 | $0 | 2,941 | Direct |
| 01 Aug, 2025 | Leonardo Riera | Director | Acquired M | 7,206 | $0.00 | $0 | 7,206 | Direct |
| 01 Aug, 2025 | Jeffrey S Shuman | Director | Acquired M | 8,823 | $0.00 | $0 | 23,823 | Direct |
| 01 Oct, 2025 | John Cole Oliver | Director | Acquired M | 490 | $0.00 | $0 | 7,465 | Direct |
| 01 Oct, 2025 | Leonardo Riera | Director | Acquired M | 490 | $0.00 | $0 | 7,696 | Direct |
| 01 Oct, 2025 | Jeffrey S Shuman | Director | Acquired M | 1,715 | $0.00 | $0 | 25,538 | Direct |