On this page
Cosmo Yi Jiang
Insider
First SEC filing: June 4, 2026 · Latest: June 4, 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 2, 2026 | HSDT | M | 1,005,040 | · | · | 1,005,040 Direct | · | Acquired | (price as of 2026-10-05) |
| June 2, 2026 | HSDT | F | 610 | $1.65 | $1,006 | 1,004,430 Direct | -0.06% | Disposed | 60.6% (price as of 2026-10-05) |
| June 2, 2026 | HSDT | M | 1,005,040 | · | · | 1,005,040 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Sept. 18, 2025 | HSDT | A | 1,005,040 | · | · | 1,005,040 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| June 2, 2026 | HSDT | Warrant (Right to Buy) | Common Stock | $0.00 | Sept. 18, 2030 | 1,005,040 | Disposed |
| Sept. 18, 2025 | HSDT | Warrant (Right to Buy) | Common Stock | $0.00 | Sept. 18, 2030 | 1,005,040 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).