Shelly Marie Chadwick

CIK 1688289 · Vice President, Finance & CFO · last filed 2026-08-11

Shelly Marie Chadwick is a Vice President, Finance & CFO who has filed 81 SEC Form 4 insider transactions across 3 companies since 2017. The most recent filing, for MTRN, was dated Aug 11, 2026. Across all open-market trades the lifetime net is −$119.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.9M 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

$6.88M

Companies

3

Total Filings

81

Lifetime Open-Market Net

-$119.44M

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
MTRN	Vice President, Finance & CFO	20,218	$234.19	$4.73M	-$118.95M	48	2026-08-11
AIT	Director	3,656	$319.11	$1.17M	$0	5	2026-01-21
TKR	Chief Accounting Officer	8,240	$119.09	$981.3K	-$489.6K	19	2020-08-14

Recent Filings

81 filings

Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.

Filed	Symbol	Action	Net Shares	Net $	Link
2026-08-11	MTRN	Mixed	—	-$888.7K	EDGAR
2026-08-07	MTRN	Notice (144)	−1,705	-$499.6K	EDGAR
2026-06-16	MTRN	Grant (A)	—	$0	EDGAR
2026-05-12	MTRN	Mixed	—	-$421.4K	EDGAR
2026-05-08	MTRN	Notice (144)	−1,192	-$237.1K	EDGAR
2026-03-10	MTRN	Mixed	+3	-$865	EDGAR
2026-03-03	MTRN	Notice (144)	−1,500	-$243.0K	EDGAR
2026-03-03	MTRN	Notice (144)	−1,039	-$163.4K	EDGAR
2026-03-03	MTRN	Mixed	−896	-$1.06M	EDGAR
2026-02-25	MTRN	Sell (S)	−8,976	-$1.31M	EDGAR

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Form 4 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.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.