Charles Pauling Semba

CIK 1872863 · last filed 2026-06-03

Charles Pauling Semba is a corporate insider who has filed 11 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing, for DMAC, was dated Jun 3, 2026. Across all open-market trades the lifetime net is +$50.0K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $271.0K 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

$271.0K

Companies

1

Total Filings

11

Lifetime Open-Market Net

$50.0K

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
DMAC Director 47,963 $5.65 $271.0K $50.0K 11 2026-06-03

Recent Filings

11 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 DMAC Grant (A) $0 EDGAR
2026-01-06 DMAC Grant (A) +3,355 $28.2K EDGAR
2025-06-03 DMAC Grant (A) $0 EDGAR
2025-01-03 DMAC Grant (A) +5,290 $28.2K EDGAR
2024-06-03 DMAC Grant (A) $0 EDGAR
2024-01-02 DMAC Grant (A) +9,375 $26.2K EDGAR
2023-06-26 DMAC Buy (P) +12,787 $50.0K EDGAR
2023-06-02 DMAC Grant (A) $0 EDGAR
2023-01-03 DMAC Grant (A) +17,156 $26.2K EDGAR
2022-06-02 DMAC Grant (A) $0 EDGAR
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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.