AnhCo Nguyen
CIK 1977970 · President and CEO · last filed 2026-05-20
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$1.08M
Companies
1
Total Filings
25
Lifetime Open-Market Net
-$274.7K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ATRA | President and CEO | 137,837 | $7.81 | $1.08M | -$274.7K | 15 | 2026-05-20 |
Recent Filings · Page 2 of 3
25 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-05-16 | ATRA | Notice (144) | −3,471 | -$26.4K | EDGAR |
| 2025-03-05 | ATRA | Sell (S) | −3,331 | -$23.3K | EDGAR |
| 2025-03-03 | ATRA | Notice (144) | −3,929 | -$27.1K | EDGAR |
| 2024-11-20 | ATRA | Sell (S) | −1,664 | -$18.6K | EDGAR |
| 2024-11-18 | ATRA | Notice (144) | −1,857 | -$22.3K | EDGAR |
| 2024-09-11 | ATRA | Grant (A) | +45,000 | $0 | EDGAR |
| 2024-08-20 | ATRA | Sell (S) | −1,821 | -$12.1K | EDGAR |
| 2024-08-16 | ATRA | Notice (144) | −2,114 | -$17.0K | EDGAR |
| 2024-05-20 | ATRA | Sell (S) | −42,899 | -$26.5K | EDGAR |
| 2024-05-16 | ATRA | Notice (144) | −28,251 | -$18.1K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.