Dean Warren Butler
CIK 1791047 · Sr VP and CFO · last filed 2026-05-22
"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
$14.72M
Companies
3
Total Filings
42
Lifetime Open-Market Net
-$8.82M
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.
Recent Filings · Page 2 of 5
42 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 |
|---|---|---|---|---|---|
| 2024-02-22 | SYNA | Mixed | −876 | -$206.3K | EDGAR |
| 2023-11-21 | SYNA | Mixed | −4,260 | -$563.2K | EDGAR |
| 2023-11-20 | SYNA | Notice (144) | −3,477 | -$310.7K | EDGAR |
| 2023-10-24 | SYNA | Tax (F) | −2,685 | -$242.8K | EDGAR |
| 2023-08-21 | SYNA | Mixed | +28,272 | -$667.5K | EDGAR |
| 2023-08-09 | SYNA | Sell (S) | −10,144 | -$924.9K | EDGAR |
| 2023-08-08 | SYNA | Notice (144) | −10,144 | -$924.9K | EDGAR |
| 2023-05-19 | SYNA | Mixed | +262 | -$65.1K | EDGAR |
| 2023-05-15 | PXLW | Grant (A) | +50,959 | $0 | EDGAR |
| 2023-02-22 | SYNA | Mixed | −1,139 | -$265.5K | 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.