Roald Graham Webster

Insider

First SEC filing: June 13, 2024 · Latest: June 13, 2024

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Insider at

0 buys (P) 1 sells (S) Net: $-234,139 + 10 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

10 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 21, 2026	ALGM	S	5,217	$44.88	$234,139	13,106 Direct	-28.47%	Disposed	-14.6% (price as of 2026-08-20)
May 16, 2026	ALGM	F	4,277	$43.10	$184,339	18,323 Direct	-18.92%	Disposed	-11.1% (price as of 2026-08-20)
May 13, 2026	ALGM	A	544	—	—	22,600 Direct	+2.47%	Acquired	(price as of 2026-08-20)
May 13, 2026	ALGM	A	4,756	—	—	22,056 Direct	+27.49%	Acquired	(price as of 2026-08-20)
May 16, 2025	ALGM	F	4,948	$27.51	$136,119	25,566 Direct	-16.22%	Disposed	39.3% (price as of 2026-08-20)
May 15, 2025	ALGM	A	9,765	—	—	30,514 Direct	+47.06%	Acquired	(price as of 2026-08-20)
May 13, 2025	ALGM	A	1,002	—	—	20,749 Direct	+5.07%	Acquired	(price as of 2026-08-20)
June 11, 2024	ALGM	A	5,520	—	—	19,747 Direct	+38.80%	Acquired	(price as of 2026-08-20)
May 16, 2024	ALGM	F	3,113	$29.75	$92,612	14,227 Direct	-17.95%	Disposed	28.8% (price as of 2026-08-20)
May 15, 2024	ALGM	A	5,017	—	—	17,340 Direct	+40.71%	Acquired	(price as of 2026-08-20)
May 15, 2024	ALGM	A	787	—	—	12,323 Direct	+6.82%	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.