Roald Graham Webster

CIK 1970184 · VP, Chief Accounting Officer · last filed 2026-05-22

Roald Graham Webster is a VP, Chief Accounting Officer who has filed 9 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing shows the insider sold $234.2K of ALGM on May 22, 2026. Across all open-market trades the lifetime net is −$505.4K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $660.6K 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

$660.6K

Companies

1

Total Filings

9

Lifetime Open-Market Net

-$505.4K

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
ALGM VP, Chief Accounting Officer 13,106 $50.41 $660.6K -$505.4K 9 2026-05-22

Recent Filings

9 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-22 ALGM Sell (S) −5,217 -$234.2K EDGAR
2026-05-19 ALGM Tax (F) −4,277 -$184.3K EDGAR
2026-05-15 ALGM Grant (A) +5,300 $0 EDGAR
2025-08-25 ALGM Sell (S) −8,266 -$271.2K EDGAR
2025-05-19 ALGM Mixed +4,817 -$136.1K EDGAR
2025-05-14 ALGM Grant (A) +1,002 $0 EDGAR
2024-06-13 ALGM Grant (A) +5,520 $0 EDGAR
2024-05-17 ALGM Mixed +2,691 -$92.6K EDGAR
2023-05-17 ALGM Grant (A) +11,536 $0 EDGAR
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.