Insider trading · Q3 2026 · CIK 1018963

Ati Inc (ATI) insider trading.

Name: Ati Inc insider transactions, Q3 2026
Creator: U.S. Securities and Exchange Commission

In Q3 2026, insiders at Ati Inc reported 23 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 22 sales worth $34.8M.

Transactions: 23
Purchases (P): 0
Sales (S): 22
Net shares, P minus S: -174,087
Insiders: 4
Last filed: 2026-09-23

Insiders

Insider	Relationship	Transactions	Sales
Fields Kimberly A	Director, Officer · Chair, President and CEO	16	16
Harris Timothy J	Officer · Senior VP and CDIO	5	5
Morehouse David J	Director	1	1
Foster James Robert	Officer · SVP, Finance and CFO	1	0

Transactions

23 non-derivative rows, newest transaction first. Shares and prices as filed.
Date	Insider	Code	Shares	Price	Owned after	Filing
2026-09-21	Harris Timothy J	S (D)	9,000	$191.82	88,187	Form 4
2026-09-14	Harris Timothy J	S (D)	16,500	$193.06	97,187	Form 4
2026-09-08	Harris Timothy J	S (D)	16,500	$207.54	113,687	Form 4
2026-09-02	Morehouse David J	S (D)	2,485	$201.61	35,826	Form 4
2026-08-31	Harris Timothy J	S (D)	16,500	$210.01	130,187	Form 4
2026-08-24	Harris Timothy J	S (D)	16,500	$206.92	146,687	Form 4
2026-08-17	Fields Kimberly A	S (D)	4,598	$232.43	100,719	Form 4
2026-08-17	Fields Kimberly A	S (D)	9,116	$231.72	105,317	Form 4
2026-08-17	Fields Kimberly A	S (D)	8,131	$230.66	114,433	Form 4
2026-08-17	Fields Kimberly A	S (D)	1,000	$228.32	124,564	Form 4
2026-08-17	Fields Kimberly A	S (D)	2,000	$229.56	122,564	Form 4
2026-07-28	Fields Kimberly A	S (D)	31,757	$190.99	125,564	Form 4
2026-07-07	Fields Kimberly A	S (D)	11,826	$182.66	179,095	Form 4
2026-07-07	Fields Kimberly A	S (D)	15,908	$183.5	163,187	Form 4
2026-07-07	Fields Kimberly A	S (D)	4,878	$184.34	158,309	Form 4
2026-07-07	Fields Kimberly A	S (D)	388	$185.1	157,921	Form 4
2026-07-07	Fields Kimberly A	S (D)	2,200	$181.36	190,921	Form 4
2026-07-07	Fields Kimberly A	S (D)	400	$187.5	157,321	Form 4
2026-07-07	Fields Kimberly A	S (D)	2,000	$179.25	195,321	Form 4
2026-07-07	Fields Kimberly A	S (D)	2,000	$180	193,321	Form 4
2026-07-07	Fields Kimberly A	S (D)	200	$180.85	193,121	Form 4
2026-07-07	Fields Kimberly A	S (D)	200	$186.36	157,721	Form 4
2026-07-01	Foster James Robert	M (D)	163	$193.82	57,824	Form 4

Transaction codes in this quarter

S: 22 M: 1

Get ATI insider transactions through the API

Request with your API key

curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1018963&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · ATI company page · Ati Inc on SEC.gov

Questions

Are insiders buying or selling Ati Inc (ATI)?

In Q3 2026, insiders at Ati Inc reported 23 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 22 sales worth $34.8M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Ati Inc insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/ati.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.