Tyson Eliot Marshall
CIK 1666669 · View on SEC EDGAR ↗
Insider
First SEC filing: July 21, 2023 · Latest: July 21, 2023
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-78,821
+ 2 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
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 5, 2026 | ATEC | S 10b5-1 | 8,168 | $9.65 | $78,821 | 630,398 Direct | -1.28% | Disposed | -0.4% (price as of 2026-08-20) |
| June 12, 2024 | ATEC | S | 50,232 | $10.88 | $546,524 | 245,638 Direct | -16.98% | Disposed | -11.7% (price as of 2026-08-20) |
| March 6, 2024 | ATEC | S 10b5-1 | 9,225 | $13.16 | $121,401 | 295,870 Direct | -3.02% | Disposed | -27.0% (price as of 2026-08-20) |
| March 1, 2024 | ATEC | S 10b5-1 | 11,825 | $13.30 | $157,272 | 305,095 Direct | -3.73% | Disposed | -27.7% (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.
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 21, 2023 | ATEC | Common Stock | — | Direct |
| July 21, 2023 | ATEC | Employee Stock Option (right to buy)→ Common Stock (15,000) | 15,000 | Direct |
| July 21, 2023 | ATEC | Employee Stock Option (right to buy)→ Common Stock (15,000) | 15,000 | Direct |
| July 21, 2023 | ATEC | Employee Stock Option (right to buy)→ Common Stock (12,500) | 12,500 | Direct |
| July 21, 2023 | ATEC | Employee Stock Option (right to buy)→ Common Stock (60,000) | 60,000 | Direct |