Stephen Machatha
First SEC filing: Dec. 18, 2020 · Latest: Dec. 18, 2020
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 11, 2025 | ALDX | S | 22,073 | $5.15 | $113,676 | 221,799 Direct | -9.05% | Disposed | -82.1% (price as of 2026-10-05) |
| March 4, 2025 | ALDX | A | 202,427 | · | · | 202,427 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2024 | ALDX | S | 16,041 | $4.74 | $76,034 | 236,771 Direct | -6.35% | Disposed | -80.5% (price as of 2026-10-05) |
| March 12, 2024 | ALDX | S | 11,537 | $3.16 | $36,457 | 252,812 Direct | -4.36% | Disposed | -70.8% (price as of 2026-10-05) |
| March 12, 2024 | ALDX | S | 11,537 | $3.16 | $36,457 | 243,495 Direct | -4.52% | Disposed | -70.8% (price as of 2026-10-05) |
| March 11, 2024 | ALDX | S | 18,231 | $3.41 | $62,168 | 255,032 Direct | -6.67% | Disposed | -72.9% (price as of 2026-10-05) |
| March 9, 2024 | ALDX | A | 405,450 | · | · | 405,450 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2023 | ALDX | A | 220,258 | · | · | 220,258 Direct | · | Acquired | (price as of 2026-10-05) |
| July 15, 2022 | ALDX | A | 69,473 | · | · | 69,473 Direct | · | Acquired | (price as of 2026-10-05) |
| July 15, 2022 | ALDX | A | 185,605 | · | · | 273,263 Direct | +211.74% | Acquired | (price as of 2026-10-05) |
| March 30, 2022 | ALDX | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 30, 2022 | ALDX | A | 64,395 | · | · | 87,658 Direct | +276.81% | Acquired | (price as of 2026-10-05) |
| April 12, 2021 | ALDX | A | 116,201 | · | · | 116,201 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 |
|---|---|---|---|---|---|---|---|
| March 4, 2025 | ALDX | Stock Option (right to buy) | Common Stock | $6.17 | March 3, 2035 | 202,427 | Acquired |
| March 9, 2024 | ALDX | Stock Option (right to buy) | Common Stock | $3.62 | March 8, 2034 | 405,450 | Acquired |
| Feb. 28, 2023 | ALDX | Stock Option (right to buy) | Common Stock | $6.76 | Feb. 27, 2033 | 220,258 | Acquired |
| July 15, 2022 | ALDX | Bonus Units | Common Stock | · | · | 69,473 | Acquired |
| March 30, 2022 | ALDX | Employee Stock Option (Right to Buy) | Common Stock | $4.52 | March 29, 2032 | 250,000 | Acquired |
| April 12, 2021 | ALDX | Employee Stock Option (Right to Buy) | Common Stock | $11.71 | April 11, 2031 | 116,201 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 18, 2020 | ALDX | Common Stock | 20,091 | Direct |
| Dec. 18, 2020 | ALDX | Common Stock | 211 | Indirect |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 35,000 | Direct |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 26,200 | Direct |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 45,573 | Direct |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 32,000 | Direct |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 31,000 | Direct |
| Dec. 18, 2020 | ALDX | Employee Stock Option (Right to Buy) | 135,560 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $400,000 | · | · | · | · | · | $101,800 | $1,452,142 |
| 2024 | $392,340 | · | · | · | $156,936 | · | $13,800 | $1,688,381 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.