David W Heinzmann
CIK 1279765 · President & CEO · last filed 2026-05-15
"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.
Loading insider history…
Disclosed Exposure
$28.37M
Companies
2
Total Filings
92
Lifetime Open-Market Net
-$37.70M
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 9 of 10
92 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 |
|---|---|---|---|---|---|
| 2010-11-09 | LFUS | Mixed | +2,000 | -$203.9K | EDGAR |
| 2010-05-12 | LFUS | Tax (F) | −769 | -$29.2K | EDGAR |
| 2010-05-03 | LFUS | Grant (A) | +3,450 | $0 | EDGAR |
| 2010-02-19 | LFUS | Mixed | +1,000 | -$22.6K | EDGAR |
| 2009-08-06 | LFUS | Disp (D) | −1,333 | -$31.6K | EDGAR |
| 2009-05-22 | LFUS | Mixed | +128 | -$1.0K | EDGAR |
| 2009-04-27 | LFUS | Grant (A) | +8,700 | $0 | EDGAR |
| 2008-05-14 | LFUS | Mixed | — | -$11.3K | EDGAR |
| 2008-04-28 | LFUS | Grant (A) | +1,730 | $0 | EDGAR |
| 2007-11-09 | LFUS | Disp (D) | −2,777 | -$87.4K | 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.