Brian Dunkiel
CIK 2089966 · View on SEC EDGAR ↗
First SEC filing: Nov. 3, 2025 · Latest: Nov. 3, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 5, 2025 | BETA | P | 1,500 | $34.00 | $51,000 | 51,216 Direct | +3.02% | Acquired | -22.5% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 31, 2025 | BETA | Employee Stock Option | Class A Common Stock (6,544) | $5.82 | March 26, 2033 | 6,544 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 3, 2025 | BETA | Class A common stock | — | Indirect |
| Nov. 3, 2025 | BETA | Class A common stock | 15,692 | Indirect |
| Nov. 3, 2025 | BETA | Employee Stock Option→ Class A common stock (269,343) | 269,343 | Direct |
| Nov. 3, 2025 | BETA | Employee Stock Option→ Class A common stock (159,529) | 159,529 | Direct |
| Nov. 3, 2025 | BETA | Employee Stock Option→ Class A common stock (255,247) | 255,247 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
BETA
Vice President, and Secretary| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $427,298 | $350,000 | $651,788 | $1,422,718 | — | — | — | $2,851,804 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.