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Erich Spangenberg
Activist
First SEC filing: March 18, 2026 · Latest: March 18, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2024 | MDAIW | A | 6,000 | $1.74 | $10,440 | 628,574 Direct | +0.96% | Acquired | -73.0% (price as of 2026-10-06) |
| May 10, 2024 | MDAIW | A | 45,000 | $1.77 | $79,650 | 622,574 Direct | +7.79% | Acquired | -73.4% (price as of 2026-10-06) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.