Koning John Todd

Officer · ATEC

As of 2026-09-16, Koning John Todd has 17 Form 4 transactions on record across 1 company — 8 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $6.3MIndirect: $0$6.3Mas of 2026-09-16
  • Direct $6.3M
  • Indirect $0
ATECdirect600,721 sh$6.3M

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

ATEC · 17 trades
2026-03-13: Sale, 79,789 sh ($986K)2026-03-05: Withheld for tax, 68,910 sh ($866K)2026-02-25: Award / grant, 205,094 sh ($0)2026-02-25: Award / grant, 55,197 sh ($0)2026-02-25: Award / grant, 110,394 sh ($0)2026-02-25: Award / grant, 20,380 sh2026-02-25: Award / grant, 20,380 sh2025-12-08: Withheld for tax, 15,266 sh ($327K)2025-08-06: Withheld for tax, 5,315 sh ($82K)2025-04-22: Sale, 37,500 sh ($402K)2025-04-01: Award / grant, 20,929 sh2025-04-01: Award / grant, 20,929 sh2025-03-10: Sale, 165,121 sh ($1.6M)2025-01-29: Award / grant, 114,322 sh ($0)2025-01-29: Award / grant, 120,952 sh ($0)2025-01-29: Award / grant, 19,598 sh2025-01-29: Award / grant, 19,598 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-13ATECSale79,789 @ $12.36$986K−11.7% of holding600,721Form 4
2025-04-22ATECSale37,500 @ $10.71$402K−7.4% of holding466,536Form 4
2025-03-10ATECSale165,121 @ $9.72$1.6M−25.5% of holding483,107Form 4
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-05ATECWithheld for tax68,910680,510Form 4
2026-02-25ATECAward / grant205,094618,646Form 4
2026-02-25ATECAward / grant55,19755,197Form 4
2026-02-25ATECAward / grant110,394729,040Form 4
2026-02-25ATECAward / grant20,380749,420Form 4
2026-02-25ATECAward / grant20,380749,420Form 4
2025-12-08ATECWithheld for tax15,266445,955Form 4
2025-08-06ATECWithheld for tax5,315461,221Form 4
2025-04-01ATECAward / grant20,929504,036Form 4
2025-04-01ATECAward / grant20,929504,036Form 4
2025-01-29ATECAward / grant114,322628,630Form 4
2025-01-29ATECAward / grant120,952514,308Form 4
2025-01-29ATECAward / grant19,598648,228Form 4
2025-01-29ATECAward / grant19,598648,228Form 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.