Darin G Billerbeck

CIK 1388177 · Executive Chairman · 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

$110.57M

Companies

3

Total Filings

102

Lifetime Open-Market Net

-$2.43M

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
MRAM Director 127,925 $24.41 $3.12M -$2.48M 33 2026-05-22
LSCC Former President & CEO 743,393 $144.53 $107.44M $49.0K 63 2018-06-07
ZILOG INC (ZILG) Delisted CEO, President 76,280 $0 5 2009-05-18

Recent Filings · Page 8 of 11

102 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2014-11-06 LSCC Mixed +13,213 -$92.0K EDGAR
2014-11-04 LSCC Mixed +1,216 -$8.3K EDGAR
2014-10-01 LSCC Mixed +6,360 -$49.6K EDGAR
2014-08-06 LSCC Mixed +1,216 -$8.7K EDGAR
2014-08-06 LSCC Mixed +13,214 -$95.5K EDGAR
2014-07-02 LSCC Mixed +6,359 -$54.5K EDGAR
2014-02-24 LSCC Mixed +24,180 -$197.2K EDGAR
2014-02-13 LSCC Grant (A) $0 EDGAR
2014-02-06 LSCC Mixed +68,260 -$220.4K EDGAR
2014-02-05 LSCC Mixed +1,448 -$5.8K EDGAR
Showing 7180 of 102
Page 8 of 11
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.