Michael A Carusi
Activist
First SEC filing: May 27, 2026 · Latest: May 27, 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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 1, 2025 | SI | C | 1,618,470 | · | · | 1,618,470 Indirect | · | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2025 | SI | P | 266,666 | $15.00 | $3,999,990 | 1,885,136 Indirect | +16.48% | Acquired | 30.7% (price as of 2026-10-05) |
| Aug. 1, 2025 | SI | A | 7,666 | · | · | 7,666 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2025 | SI | C | 20,930,233 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 1, 2025 | SI | C | 9,950,208 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
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.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 1, 2025 | SI | Series C Convertible Preferred Stock | Common Stock | · | · | 20,930,233 | Disposed |
| Aug. 1, 2025 | SI | Series D Convertible Preferred Stock | Common Stock | · | · | 9,950,208 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.