William M Sheriff
CIK 1229379 · View on SEC EDGAR ↗
Insider
First SEC filing: April 22, 2026 · Latest: April 22, 2026
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
3 buys (P)
9 sells (S)
Net:
$-223,588
+ 6 non-open-market transactions below
Avg return of open purchases vs now:
-26.5%
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
6 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 | EU | P | 25,000 | $1.39 | $34,750 | 1,412,169 Direct | +1.80% | Acquired | -23.4% (price as of 2026-08-20) |
| May 18, 2026 | EU | P | 25,000 | $1.47 | $36,750 | 25,000 Indirect | — | Acquired | -27.6% (price as of 2026-08-20) |
| May 18, 2026 | EU | P | 50,000 | $1.49 | $74,500 | 1,387,169 Direct | +3.74% | Acquired | -28.5% (price as of 2026-08-20) |
| Feb. 9, 2026 | EU | S 10b5-1 | 12,000 | $2.80 | $33,600 | 2,214,055 Direct | -0.54% | Disposed | -62.0% (price as of 2026-08-20) |
| Feb. 6, 2026 | EU | S 10b5-1 | 12,000 | $2.72 | $32,640 | 2,226,055 Direct | -0.54% | Disposed | -60.8% (price as of 2026-08-20) |
| Jan. 7, 2026 | EU | S | 10,000 | $2.81 | $28,100 | 2,876 Indirect | -77.66% | Disposed | -62.1% (price as of 2026-08-20) |
| Jan. 2, 2026 | EU | S 10b5-1 | 2,200 | $2.67 | $5,874 | 12,876 Indirect | -14.59% | Disposed | -60.1% (price as of 2026-08-20) |
| Jan. 2, 2026 | EU | S 10b5-1 | 16,300 | $2.68 | $43,684 | 15,076 Indirect | -51.95% | Disposed | -60.3% (price as of 2026-08-20) |
| Jan. 2, 2026 | EU | S 10b5-1 | 24,000 | $2.72 | $65,280 | 2,238,055 Direct | -1.06% | Disposed | -60.8% (price as of 2026-08-20) |
| Dec. 30, 2025 | EU | S | 16,500 | $2.42 | $39,930 | 31,376 Indirect | -34.46% | Disposed | -56.0% (price as of 2026-08-20) |
| Dec. 16, 2025 | EU | S 10b5-1 | 24,000 | $2.37 | $56,880 | 2,262,055 Direct | -1.05% | Disposed | -55.1% (price as of 2026-08-20) |
| Nov. 26, 2025 | EU | S 10b5-1 | 24,000 | $2.65 | $63,600 | 2,286,055 Direct | -1.04% | Disposed | -59.8% (price as of 2026-08-20) |
| April 3, 2025 | EU | P | 10,000 | $1.21 | $12,100 | 47,876 Indirect | +26.40% | Acquired | -12.0% (price as of 2026-08-20) |
| April 3, 2025 | EU | P | 20,000 | $1.20 | $24,000 | 2,310,055 Direct | +0.87% | Acquired | -11.3% (price as of 2026-08-20) |
| April 3, 2025 | EU | P | 20,000 | $1.22 | $24,400 | 2,290,055 Direct | +0.88% | Acquired | -12.7% (price as of 2026-08-20) |
| March 24, 2025 | EU | P | 35,000 | $1.66 | $58,100 | 2,270,055 Direct | +1.57% | Acquired | -35.8% (price as of 2026-08-20) |
| March 20, 2025 | EU | P | 25,000 | $1.60 | $40,000 | 2,235,055 Direct | +1.13% | Acquired | -33.4% (price as of 2026-08-20) |
| March 6, 2025 | EU | P | 30,000 | $1.65 | $49,500 | 2,210,055 Direct | +1.38% | Acquired | -35.5% (price as of 2026-08-20) |
| March 5, 2025 | EU | P | 25,000 | $1.67 | $41,750 | 2,180,055 Direct | +1.16% | Acquired | -36.2% (price as of 2026-08-20) |
| March 4, 2025 | EU | P | 35,000 | $1.38 | $48,300 | 37,876 Indirect | +1216.97% | Acquired | -22.8% (price as of 2026-08-20) |
| March 4, 2025 | EU | P | 35,000 | $2.90 | $101,500 | 37,879 Indirect | +1215.70% | Acquired | -63.3% (price as of 2026-08-20) |
| March 4, 2025 | EU | P | 35,000 | $1.65 | $57,750 | 2,155,055 Direct | +1.65% | Acquired | -35.5% (price as of 2026-08-20) |
| Feb. 3, 2025 | EU | S 10b5-1 | 24,000 | $3.20 | $76,800 | 2,120,055 Direct | -1.12% | Disposed | -66.7% (price as of 2026-08-20) |
| Jan. 2, 2025 | EU | S 10b5-1 | 24,000 | $3.55 | $85,200 | 2,144,055 Direct | -1.11% | Disposed | -70.0% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | EU | Restricted Stock Unit | Common Shares (101,351) | — | — | 101,351 | Acquired |
| Aug. 17, 2026 | EU | Stock Option (Right to Buy) | Common Shares (101,351) | $1.13 | Aug. 17, 2031 | 101,351 | Acquired |
| Oct. 8, 2025 | EU | Stock Option (Right to Buy) | Common Shares (30,000) | $3.47 | Oct. 8, 2030 | 30,000 | Acquired |
| Oct. 8, 2025 | EU | Restricted Stock Unit | Common Shares (102,500) | — | — | 102,500 | Acquired |
| Oct. 8, 2025 | EU | Restricted Stock Unit | Common Shares (482,589) | — | — | 482,589 | Acquired |
| Sept. 24, 2025 | EU | Stock Options | Common Shares (320,000) | $3.10 | Sept. 24, 2028 | 320,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 19 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 22, 2026 | EU | Common Stock | 1,337,169 | Direct |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (366,667) | 366,667 | Direct |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (350,000) | 350,000 | Direct |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (325,000) | 325,000 | Direct |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (320,000) | 320,000 | Direct |
| April 22, 2026 | EU | Restricted Stock Unit→ Common Stock (482,589) | 482,589 | Direct |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (66,667) | 66,667 | Indirect |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (50,000) | 50,000 | Indirect |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (100,000) | 100,000 | Indirect |
| April 22, 2026 | EU | Stock Option (Right to Buy)→ Common Stock (30,000) | 30,000 | Indirect |
| April 22, 2026 | EU | Restricted Stock Unit→ Common Stock (102,500) | 102,500 | Indirect |
| Jan. 30, 2025 | EU | Common Stock | 2,879 | Indirect |
| Jan. 30, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (66,667) | 66,667 | Indirect |
| Jan. 30, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (50,000) | 50,000 | Indirect |
| Jan. 30, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (100,000) | 100,000 | Indirect |
| Jan. 10, 2025 | EU | Common Stock | 2,168,055 | Direct |
| Jan. 10, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (366,667) | 366,667 | Direct |
| Jan. 10, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (350,000) | 350,000 | Direct |
| Jan. 10, 2025 | EU | Stock Option (Right to Buy)→ Common Stock (325,000) | 325,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $300,000 | $2,820 | — | — | $141,540 | — | $13,116 | $1,071,834 |
| 2023 | $300,000 | — | — | — | $200,000 | — | $30,945 | $916,669 |
| 2022 | $219,231 | — | — | — | $200,000 | — | $21,917 | $2,374,794 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.