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Michael Weening

CIK 1678385 · President & CEO · last filed 2026-02-17

Michael Weening is a President & CEO who has filed 51 SEC Form 4 insider transactions across 1 company since 2016. The most recent filing shows the insider was granted $19.9K of CALX on Feb 17, 2026. Across all open-market trades the lifetime net is −$72.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $614.2K 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.

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Disclosed Exposure

$614.2K

Companies

1

Total Filings

51

Lifetime Open-Market Net

-$72.68M

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
CALX President & CEO 16,556 $37.10 $614.2K -$72.68M 41 2026-02-17

Recent Filings

51 filings
Insider 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
2026-02-17 CALX Grant (A) +439 $19.9K EDGAR
2025-11-03 CALX Notice (144) −74,000 -$4.99M EDGAR
2025-11-03 CALX Mixed — -$15.91M EDGAR
2025-10-30 CALX Notice (144) −200,000 -$13.07M EDGAR
2025-09-11 CALX Notice (144) −18,010 -$1.13M EDGAR
2025-09-11 CALX Mixed — -$9.56M EDGAR
2025-09-10 CALX Notice (144) −157,990 -$9.80M EDGAR
2025-09-08 CALX Mixed — -$1.25M EDGAR
2025-09-04 CALX Notice (144) −24,000 -$1.44M EDGAR
2025-09-02 CALX Mixed — -$6.57M EDGAR
Showing 1–10 of 51
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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.