Nelson Walter L.

CIK 2039716 · Sr. VP, Glob Helium & Rare Gas · last filed 2025-03-06

Nelson Walter L. is a Sr. VP, Glob Helium & Rare Gas who has filed 2 SEC Form 4 insider transactions across 1 company since 2024. The most recent filing shows the insider sold $181.7K of APD on Mar 6, 2025. Across all open-market trades the lifetime net is −$181.7K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $254.4K 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.

Disclosed Exposure

$254.4K

Companies

1

Total Filings

2

Lifetime Open-Market Net

-$181.7K

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
APD	Sr. VP, Glob Helium & Rare Gas	899	$282.98	$254.4K	-$181.7K	2	2025-03-06

Recent Filings

2 filings

Form 4 transactions across all companies, newest first.

Filed	Symbol	Action	Net Shares	Net $	Link
2025-03-06	APD	Sell (S)	−589	-$181.7K	EDGAR
2024-12-04	APD	Mixed	+332	-$40.4K	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.