Corporate insider · disclosed-activity record
Sponsel David
EVP, SALES
Every row below is a public disclosure this person or firm filed, dated and linked to its source. This is a factual record of what was disclosed and when — what it means, and whether any timing is coincidence or signal, is a judgment this page deliberately does not make.
Bullish filings
0
Bearish filings
13
Names touched
1
Disclosed $ (bull / bear)
$0 / $13.1M
Most active in: ATEC (13)
Disclosures, last 12 months
13 of 13 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-03-11 | ATEC | sold | $2.0M | SEC ↗ |
| 2026-03-11 | ATEC | filed notice to sell | $2.0M | SEC ↗ |
| 2026-02-05 | ATEC | sold | $833K | SEC ↗ |
| 2026-02-05 | ATEC | filed notice to sell | $850K | SEC ↗ |
| 2025-12-10 | ATEC | sold | $439K | SEC ↗ |
| 2025-12-10 | ATEC | filed notice to sell | $436K | SEC ↗ |
| 2025-12-08 | ATEC | sold | $21K | SEC ↗ |
| 2025-10-24 | ATEC | sold | $1.1M | SEC ↗ |
| 2025-10-24 | ATEC | filed notice to sell | $1.1M | SEC ↗ |
| 2025-09-19 | ATEC | sold | $39K | SEC ↗ |
| 2025-09-19 | ATEC | filed notice to sell | $39K | SEC ↗ |
| 2025-09-18 | ATEC | sold | $2.1M | SEC ↗ |
| 2025-09-18 | ATEC | filed notice to sell | $2.0M | SEC ↗ |
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Public filings only, shown as filed; the linked filing is the authoritative record. Descriptive, not investment advice — and never an allegation: proximity of a disclosure to any event is a fact of dates, not a conclusion about intent. Methodology · Today's notable signals