WILLIAM B. HORNE

CIK 1333268 · View on SEC EDGAR ↗

Activist

First SEC filing: Oct. 7, 2025 · Latest: Oct. 7, 2025

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-7,066 + 10 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

10 other filings hidden
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