Derrick D. Dockery
CIK 1911463 · last filed 2026-08-24
Derrick D. Dockery is a corporate insider who has filed 17 SEC Form 4 insider transactions across 1 company since 2022. The most recent filing shows the insider sold $53.2K of TLS on Aug 24, 2026. Across all open-market trades the lifetime net is −$292.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $632.6K across reported positions.
"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.
$632.6K
1
17
-$292.2K
Charts
Trading activity, where the exposure sits, and each trade against the stock price.
Filer Profile
19886 ASHBURN ROAD
ASHBURN, VA 20147
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TLS | Director | 156,591 | $4.04 | $632.6K | -$292.2K | 12 | 2026-08-24 |
Recent Filings
17 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-08-24 | TLS | Sell (S) | −12,000 | -$53.2K | EDGAR |
| 2026-08-21 | TLS | Notice (144) | −12,000 | -$53.2K | EDGAR |
| 2026-08-13 | TLS | Sell (S) | −11,000 | -$47.7K | EDGAR |
| 2026-08-12 | TLS | Notice (144) | −11,000 | -$47.7K | EDGAR |
| 2026-06-26 | TLS | Sell (S) | −7,000 | -$30.5K | EDGAR |
| 2026-06-24 | TLS | Notice (144) | −7,000 | -$30.5K | EDGAR |
| 2026-05-28 | TLS | Notice (144) | −8,000 | -$38.2K | EDGAR |
| 2026-05-28 | TLS | Sell (S) | −8,000 | -$38.2K | EDGAR |
| 2026-05-27 | TLS | Grant (A) | +34,091 | $0 | EDGAR |
| 2026-05-15 | TLS | Sell (S) | −18,000 | -$74.5K | EDGAR |
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.