Marshall Tyson Eliot
Officer · ATEC
As of 2026-09-16, Marshall Tyson Eliot has 29 Form 4 transactions on record across 1 company — 18 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $6.6M
- Indirect $0
| ATEC | direct | 630,398 sh | $6.6M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-05 | ATEC | Sale | 8,168 @ $9.65 | $79K | −1.3% of holding | 630,398 | Form 4 |
| 2026-03-05 | ATEC | Sale | 88,835 @ $12.49 | $1.1M | −13.7% of holding | 559,459 | Form 4 |
| 2025-12-05 | ATEC | Sale | 12,965 @ $21.47 | $278K | −3.6% of holding | 345,442 | Form 4 |
| 2025-12-05 | ATEC | Sale | 9,924 @ $21.48 | $213K | −2.7% of holding | 358,407 | Form 4 |
| 2025-11-20 | ATEC | Sale | 70,000 @ $19.51 | $1.4M | −16.0% of holding | 368,331 | Form 4 |
| 2025-08-05 | ATEC | Sale | 9,924 @ $14.86 | $147K | −2.2% of holding | 446,499 | Form 4 |
| 2025-08-05 | ATEC | Sale | 8,168 @ $14.96 | $122K | −1.8% of holding | 438,331 | Form 4 |
| 2025-08-01 | ATEC | Sale | 12,878 @ $12.00 | $155K | −2.7% of holding | 456,423 | Form 4 |
| 2025-07-10 | ATEC | Sale | 1,500 @ $12.00 | $18K | −0.3% of holding | 469,301 | Form 4 |
20 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-07 | ATEC | Withheld for tax | 23,393 | 638,566 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 60,000 | 661,959 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 12,500 | 601,959 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 15,000 | 574,459 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 15,000 | 589,459 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 12,500 | 0 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 60,000 | 0 | Form 4 |
| 2026-04-07 | ATEC | Option exercise | 15,000 | 0 | Form 4 |
| 2026-02-25 | ATEC | Award / grant | 205,094 | 550,536 | Form 4 |
| 2026-02-25 | ATEC | Award / grant | 84,918 | 635,454 | Form 4 |
| 2026-02-25 | ATEC | Award / grant | 42,459 | 42,459 | Form 4 |
| 2026-02-25 | ATEC | Award / grant | 12,840 | 648,294 | Form 4 |
| 2026-02-25 | ATEC | Award / grant | 12,840 | 648,294 | Form 4 |
| 2025-04-01 | ATEC | Award / grant | 19,848 | 470,801 | Form 4 |
| 2025-04-01 | ATEC | Award / grant | 19,848 | 470,801 | Form 4 |
| 2025-03-06 | ATEC | Withheld for tax | 27,805 | 450,953 | Form 4 |
| 2025-01-29 | ATEC | Award / grant | 105,833 | 351,471 | Form 4 |
| 2025-01-29 | ATEC | Award / grant | 114,322 | 465,793 | Form 4 |
| 2025-01-29 | ATEC | Award / grant | 12,965 | 478,758 | Form 4 |
| 2025-01-29 | ATEC | Award / grant | 12,965 | 478,758 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.