Eric Crombez
CIK 1653052 · View on SEC EDGAR ↗
First SEC filing: May 2, 2023 · Latest: May 2, 2023
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2026 | RARE | S | 344 | $24.96 | $8,586 | 111,189 Direct | -0.31% | Disposed | 5.8% (price as of 2026-08-19) |
| March 2, 2026 | RARE | S | 7,029 | $22.80 | $160,261 | 76,301 Direct | -8.44% | Disposed | 15.8% (price as of 2026-08-19) |
| May 5, 2025 | RARE | S | 520 | $39.24 | $20,405 | 71,530 Direct | -0.72% | Disposed | -32.7% (price as of 2026-08-19) |
| April 21, 2025 | RARE | S | 242 | $35.11 | $8,497 | 71,680 Direct | -0.34% | Disposed | -24.8% (price as of 2026-08-19) |
| March 3, 2025 | RARE | S | 8,945 | $42.10 | $376,584 | 71,922 Direct | -11.06% | Disposed | -37.3% (price as of 2026-08-19) |
| May 2, 2024 | RARE | S | 354 | $43.66 | $15,456 | 48,431 Direct | -0.73% | Disposed | -39.5% (price as of 2026-08-19) |
| April 18, 2024 | RARE | S | 142 | $44.10 | $6,262 | 48,785 Direct | -0.29% | Disposed | -40.1% (price as of 2026-08-19) |
| March 1, 2024 | RARE | S | 1,238 | $53.76 | $66,555 | 48,927 Direct | -2.47% | Disposed | -50.9% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| April 16, 2026 | RARE | Stock Option (Right to Buy) | Common Stock (59,952) | $24.52 | April 16, 2036 | 59,952 | Acquired |
| March 1, 2025 | RARE | Stock Ooption (Right to Buy) | Common Stock (30,246) | $42.92 | March 1, 2035 | 30,246 | Acquired |
| March 1, 2024 | RARE | Stock Option (Right to Buy) | Common Stock (2,351) | $67.37 | March 1, 2027 | 2,351 | Acquired |
| March 1, 2024 | RARE | Stock Option (Right to Buy) | Common Stock (34,200) | $53.69 | March 1, 2034 | 34,200 | Acquired |
| Sept. 27, 2023 | RARE | Stock Option (Right to Buy) | Common Stock (2,351) | $67.37 | March 1, 2027 | 2,351 | Acquired |
| May 1, 2023 | RARE | Stock Option (Right to Buy) | Common Stock (8,362) | $44.03 | May 1, 2033 | 8,362 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 2, 2023 | RARE | Common Stock | 25,854 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (7,500) | 7,500 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (8,000) | 8,000 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (13,000) | 13,000 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (4,310) | 4,310 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (6,335) | 6,335 | Direct |
| May 2, 2023 | RARE | Stock Option (Right to Buy)→ Common Stock (9,845) | 9,845 | 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 | $630,231 | — | $2,407,560 | $712,257 | $238,125 | — | $14,000 | $4,002,173 |
| 2024 | $591,846 | — | $2,271,944 | — | $382,030 | — | $13,800 | $4,298,223 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.