Brian Scott Tierney
CIK 2126479 · View on SEC EDGAR ↗
Insider
First SEC filing: May 13, 2026 · Latest: May 13, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | GMRS | A | 120,000 | — | — | 120,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 12, 2026 | GMRS | A | 271,085 | — | — | 271,085 Direct | — | Acquired | (price as of 2026-08-20) |
| May 12, 2026 | GMRS | A | 397,346 | — | — | 808,970 Direct | +96.53% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| May 13, 2026 | GMRS | Restricted Stock Units | Class A Common Stock (120,000) | — | — | 120,000 | Acquired |
| May 12, 2026 | GMRS | Stock Options (Right to Buy) | Class A Common Stock (271,085) | $15.00 | May 12, 2036 | 271,085 | Acquired |
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 |
|---|---|---|---|---|
| May 13, 2026 | GMRS | Class A Common Stock | 808,970 | Direct |
| May 13, 2026 | GMRS | Stock Options (Right to Buy)→ Class A Common Stock (42,500) | 42,500 | Direct |
| May 13, 2026 | GMRS | Stock Options (Right to Buy)→ Class A Common Stock (10,000) | 10,000 | Direct |
| May 13, 2026 | GMRS | Stock Options (Right to Buy)→ Class A Common Stock (98,575) | 98,575 | Direct |
| May 13, 2026 | GMRS | Stock Options (Right to Buy)→ Class A Common Stock (271,085) | 271,085 | Direct |