Nina C Grooms

Insider

First SEC filing: Dec. 13, 2021 · Latest: Dec. 13, 2021

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Initial holdings The stakes this person held when they first started reporting.

Insider at

ALG buying March 24, 2026

Insider transactions

1 buys (P) 1 sells (S) Net: $-47,440 + 5 non-open-market transactions below Avg return of open purchases vs now: -4.6% 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 11, 2026	ALG	A	905	—	—	3,982 Direct	+29.41%	Acquired	(price as of 2026-08-21)
March 24, 2026	ALG	P	233	$171.61	$39,985	3,077 Direct	+8.19%	Acquired	-4.6% (price as of 2026-08-21)
March 11, 2026	ALG	S	499	$175.20	$87,425	2,844 Direct	-14.93%	Disposed	-6.5% (price as of 2026-08-21)
May 12, 2025	ALG	A	651	—	—	3,343 Direct	+24.18%	Acquired	(price as of 2026-08-21)
May 3, 2024	ALG	A	645	—	—	2,692 Direct	+31.51%	Acquired	(price as of 2026-08-21)
May 11, 2023	ALG	A	705	—	—	2,047 Direct	+52.53%	Acquired	(price as of 2026-08-21)
May 10, 2022	ALG	A	1,056	—	—	1,342 Direct	+369.23%	Acquired	(price as of 2026-08-21)

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.

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Dec. 13, 2021	ALG	Common Stock	286	Direct