WILLIAM B. HORNE
CIK 1333268 · View on SEC EDGAR ↗
First SEC filing: Oct. 7, 2025 · Latest: Oct. 7, 2025
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 19, 2025 | ALZN | S | 3,333 | $2.12 | $7,066 | 0 Direct | -100.00% | Disposed | -27.7% (price as of 2026-08-20) |
| March 26, 2025 | ALZN | P | 3,334 | $0.99 | $3,301 | 30,000 Direct | +12.50% | Acquired | -82.8% (price as of 2026-08-20) |
| March 20, 2025 | ALZN | P | 5,000 | $0.98 | $4,900 | 26,666 Direct | +23.08% | Acquired | -82.6% (price as of 2026-08-20) |
| March 18, 2025 | ALZN | P | 5,000 | $0.97 | $4,850 | 21,666 Direct | +30.00% | Acquired | -82.4% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| March 18, 2025 | ALZN | Stock Options (Right to Buy) | Common Stock (10,000) | $0.06 | April 29, 2026 | 10,000 | Disposed |
| Feb. 24, 2023 | ALZN | Stock Options (Right to Buy) | Common Stock (500,000) | $0.00 | April 29, 2026 | 500,000 | Disposed |
| April 26, 2022 | ALZN | Stock Options (Right to Buy) | Common Stock (250,000) | $0.00 | April 29, 2026 | 250,000 | Disposed |
| Jan. 24, 2022 | ALZN | Stock Options (Right to Buy) | Common Stock (150,000) | $0.00 | April 29, 2026 | 150,000 | Disposed |
| Sept. 8, 2021 | ALZN | Stock Options (Right to Buy) | Common Stock (100,000) | $0.00 | April 29, 2026 | 100,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 14, 2021 | ALZN | Stock Options (Right to Buy)→ Common Stock (2,500,000) | 2,500,000 | Direct |
| June 14, 2021 | ALZN | Stock Options (Right to Buy)→ Common Stock (250,000) | 250,000 | Direct |
| June 14, 2021 | ALZN | Stock Options (Right to Buy)→ Common Stock (250,000) | 250,000 | Direct |