Michael Graham O'Brien
CIK 2034804 · View on SEC EDGAR ↗
First SEC filing: Sept. 10, 2024 · Latest: Sept. 10, 2024
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | GTM | S 10b5-1 | 5,000 | $4.00 | $20,000 | 299,947 Direct | -1.64% | Disposed | -5.0% (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. 1, 2026 | GTM | Restricted Stock Units | Common Stock (91,384) | — | — | 91,384 | Disposed |
| Aug. 1, 2026 | GTM | Restricted Stock Units | Common Stock (29,400) | — | — | 29,400 | Disposed |
| Aug. 1, 2026 | GTM | Restricted Stock Units | Common Stock (3,469) | — | — | 3,469 | Disposed |
| Aug. 1, 2026 | GTM | HSKB Phantom Units | Common Stock (1,541) | — | — | 1,541 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (49,218) | — | — | 49,218 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (7,118) | — | — | 7,118 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (7,812) | — | — | 7,812 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (764) | — | — | 764 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (223) | — | — | 223 | Disposed |
| July 1, 2026 | GTM | Restricted Stock Units | Common Stock (1,555) | — | — | 1,555 | Disposed |
| June 1, 2026 | GTM | Restricted Stock Units | Common Stock (328) | — | — | 328 | Disposed |
| June 1, 2026 | GTM | Restricted Stock Units | Common Stock (214) | — | — | 214 | Disposed |
| May 29, 2026 | GTM | Restricted Stock Units | Common Stock (393,750) | — | — | 393,750 | Acquired |
| May 1, 2025 | GTM | Restricted Stock Units | Common Stock (3,469) | — | — | 3,469 | Disposed |
| May 1, 2025 | GTM | HSKB Phantom Units | Common Stock (1,542) | — | — | 1,542 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 10, 2024 | GTM | Common Stock | 22,331 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (959) | 959 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (1,709) | 1,709 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (2,951) | 2,951 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (15,548) | 15,548 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (2,456) | 2,456 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (12,231) | 12,231 | Direct |
| Sept. 10, 2024 | GTM | Restricted Stock Units→ Common Stock (55,500) | 55,500 | Direct |
| Sept. 10, 2024 | GTM | HSKB Phantom Units→ Common Stock (2,533) | 2,533 | Direct |
| Sept. 10, 2024 | GTM | HSKB Phantom Units→ Common Stock (13,875) | 13,875 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
GTM
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $465,000 | — | $6,523,103 | — | $143,774 | — | $20,770 | $7,152,647 |
| 2024 | $354,333 | — | $1,205,000 | — | $185,196 | — | $8,991 | $1,753,520 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.