Sean Brynjelsen
CIK 1669976 · View on SEC EDGAR ↗
First SEC filing: Nov. 13, 2018 · Latest: Nov. 13, 2018
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 28, 2026 | ETON | S | 148 | $32.67 | $4,835 | 833,694 Direct | -0.02% | Disposed | 84.8% (price as of 2026-08-20) |
| May 28, 2026 | ETON | S | 119,852 | $31.88 | $3,820,882 | 833,842 Direct | -12.57% | Disposed | 89.4% (price as of 2026-08-20) |
| May 21, 2019 | ETON | P | 8,600 | $7.96 | $68,456 | 1,020,000 Direct | +0.85% | Acquired | 658.5% (price as of 2026-08-20) |
| May 20, 2019 | ETON | P | 1,400 | $7.78 | $10,892 | 1,011,400 Direct | +0.14% | Acquired | 676.0% (price as of 2026-08-20) |
| Nov. 15, 2018 | ETON | P | 10,000 | $6.00 | $60,000 | 1,010,000 Direct | +1.00% | Acquired | 906.3% (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 |
|---|---|---|---|---|---|---|---|
| July 31, 2026 | ETON | Common Stock | Common Stock (128,985) | — | — | 128,985 | Acquired |
| July 14, 2026 | ETON | Employee Stock Option | Common Stock (200,000) | $1.37 | Nov. 9, 2027 | 200,000 | Acquired |
| July 12, 2026 | ETON | Restricted Stock Units | Common Stock (27,500) | $0.00 | — | 27,500 | Disposed |
| Feb. 20, 2019 | ETON | Stock option (right to buy) | Common Stock (250,000) | $7.31 | Feb. 19, 2029 | 250,000 | Acquired |
| Nov. 15, 2018 | ETON | Series A Convertible Preferred Stock | Common Stock (24,940) | — | — | 23,000 | 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.
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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | $591,862 | — | — | $807,628 | $334,355 | — | $13,200 | $1,747,045 |
| 2018 | $332,313 | — | — | — | $150,638 | — | $10,071 | $493,022 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.