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ATI · Ati Inc
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ATI ATI (ATI) Insider Trading, Ownership & Congress Trades

Mining & Metals · Steel pipe & tubes · CIK 0001018963
Quote by TradingView
Form 144 · 8
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
483
13F, latest reported quarter
Conversions, 180 days
1
Codes C/M, not in net · $31.6K priced

What the filings say about ATI

Insiders, 180 days
-$56.1M net sold
3 sellers · 13% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$33.7M
8 notices

ATI insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, ATI INC insiders sold a net $56.1M of stock across 101 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Harris Timothy J
Senior VP and CDIO
SELL
2026-09-23 SECtraded 2026-09-21
9,000
$1.7M
-10.8%
Context
  • 11 earlier Form 4 trades (code P or S) here by this insider (11 sales), the last on Sep 14, 2026.
  • The trade is 10.2% of the 88,187 shares held after it.
  • 1 other insider sold within 30 days.
  • 483 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior VP and CDIO Harris Timothy J sold about $1.7M of ATI under a 10b5-1 plan on Sep 21, 2026; 1 other insider sold within 30 days and 483 funds added in the latest 13F quarter.
Harris Timothy J
Senior VP and CDIO
SELL
2026-09-16 SECtraded 2026-09-14
16,500
$3.2M
-9.5%
Context
  • 10 earlier Form 4 trades (code P or S) here by this insider (10 sales), the last on Sep 8, 2026.
  • The trade is 17.0% of the 97,187 shares held after it.
  • 2 other insiders sold within 30 days.
  • 483 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior VP and CDIO Harris Timothy J sold about $3.2M of ATI under a 10b5-1 plan on Sep 14, 2026; 2 other insiders sold within 30 days and 483 funds added in the latest 13F quarter.
Harris Timothy J
Senior VP and CDIO
SELL
2026-09-10 SECtraded 2026-09-08
16,500
$3.4M
-16.4%
Context
  • 9 earlier Form 4 trades (code P or S) here by this insider (9 sales), the last on Aug 31, 2026.
  • The trade is 14.5% of the 113,687 shares held after it.
  • 2 other insiders sold within 30 days.
  • 483 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior VP and CDIO Harris Timothy J sold about $3.4M of ATI under a 10b5-1 plan on Sep 8, 2026; 2 other insiders sold within 30 days and 483 funds added in the latest 13F quarter.
Morehouse David J
Director
SELL
2026-09-04 SECtraded 2026-09-02
2,485
$501.0K
-19.9%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Mar 9, 2026.
  • The trade is 6.9% of the 35,826 shares held after it.
  • 2 other insiders sold within 30 days.
  • 483 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Morehouse David J sold about $501.0K of ATI on Sep 2, 2026; 2 other insiders sold within 30 days and 483 funds added in the latest 13F quarter.
Harris Timothy J
Senior VP and CDIO
SELL
2026-09-02 SECtraded 2026-08-31
16,500
$3.5M
-18.8%
Context
  • 8 earlier Form 4 trades (code P or S) here by this insider (8 sales), the last on Aug 24, 2026.
  • The trade is 12.7% of the 130,187 shares held after it.
  • 2 other insiders sold within 30 days.
  • 483 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior VP and CDIO Harris Timothy J sold about $3.5M of ATI under a 10b5-1 plan on Aug 31, 2026; 2 other insiders sold within 30 days and 483 funds added in the latest 13F quarter.
101 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$56.1M over 180 days
-$21.5M over 90 days
below 94% of Mining & Metals
Congress
no House purchase disclosed in the last 12 months
Funds
483 funds bought in last quarter
more than 94% of Mining & Metals
Revenue
+5.2% year over year
below 59% of Mining & Metals
Margin
8.8% net margin
more than 73% of Mining & Metals
Buybacks
$125.0M repurchased, FY to 2026-06-28
more than 64% of Mining & Metals
Short interest
3.5% of the float short (float per yahoo 2026-10-26) · 2.8 days to cover · settled 2026-09-30
more than 61% of Mining & Metals
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch ATI

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+85.5%12M
-0%+53%+106%+159%2025-102025-122026-022026-042026-062026-082026-10 2026-07-28 · Fields Kimberly A sold $6.1M2025-12-18 · WETHERBEE ROBERT S sold $5.2M2026-06-02 · Fields Kimberly A sold $4.6M2026-02-17 · WETHERBEE ROBERT S sold $4.2M2026-08-31 · Harris Timothy J sold $3.5M2026-09-08 · Harris Timothy J sold $3.4M2026-08-24 · Harris Timothy J sold $3.4M2026-09-14 · Harris Timothy J sold $3.2M2026-07-07 · Fields Kimberly A sold $2.9M2026-06-22 · Fields Kimberly A sold $2.7M2025-11-18 · WETHERBEE ROBERT S sold $2.7M2026-06-02 · Fields Kimberly A sold $2.5M2025-11-18 · WETHERBEE ROBERT S sold $2.4M2026-06-02 · Fields Kimberly A sold $2.4M2026-07-07 · Fields Kimberly A sold $2.2M2026-08-17 · Fields Kimberly A sold $2.1M2026-05-11 · Fields Kimberly A sold $1.9M2026-08-17 · Fields Kimberly A sold $1.9M2026-02-17 · WETHERBEE ROBERT S sold $1.8M2026-09-21 · Harris Timothy J sold $1.7M2026-02-10 · WETHERBEE ROBERT S sold $1.5M2026-05-11 · Fields Kimberly A sold $1.4M2026-02-17 · WETHERBEE ROBERT S sold $1.2M2026-08-17 · Fields Kimberly A sold $1.1M2025-11-25 · Harris Timothy J sold $1.0M2025-11-18 · Harris Timothy J sold $1.0M2025-11-11 · Harris Timothy J sold $1.0M2026-05-11 · Fields Kimberly A sold $1.0M2025-11-04 · Harris Timothy J sold $1.0M2026-07-07 · Fields Kimberly A sold $899.2K2026-05-11 · Fields Kimberly A sold $870.2K2026-03-09 · Morehouse David J sold $822.7K2025-11-18 · WETHERBEE ROBERT S sold $805.9K2026-06-24 · Fields Kimberly A sold $746.0K2026-06-23 · Fields Kimberly A sold $719.0K2025-12-18 · WETHERBEE ROBERT S sold $708.4K2025-12-18 · WETHERBEE ROBERT S sold $679.5K2026-06-02 · Fields Kimberly A sold $548.4K2026-05-11 · Fields Kimberly A sold $527.7K2026-09-02 · Morehouse David J sold $501.0K2026-08-17 · Fields Kimberly A sold $459.1K2026-05-11 · Fields Kimberly A sold $414.4K2026-09-21 · Harris Timothy J filed to sell $1.7M2026-09-14 · Harris Timothy J filed to sell $3.2M2026-09-08 · Harris Timothy J filed to sell $3.4M2026-09-02 · Morehouse David J filed to sell $501.0K2026-08-31 · Harris Timothy J filed to sell $3.5M2026-08-24 · Harris Timothy J filed to sell $3.4M2026-08-17 · Fields Kimberly A filed to sell $8.0M2026-08-10 · WETHERBEE ROBERT S filed to sell $10.0M2026-07-28 · Fields Kimberly A filed to sell $6.1M2026-07-07 · Fields Kimberly A filed to sell $7.5M2026-06-24 · Fields Kimberly A filed to sell $746.0K2026-06-23 · Fields Kimberly A filed to sell $719.0K2026-06-22 · Fields Kimberly A filed to sell $2.7M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns ATI: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
18,708,922 sh
$3.7B
VANGUARD PORTFOLIO MANAGEMENT LLC
6,219,875 sh
$1.2B
VANGUARD CAPITAL MANAGEMENT LLC
6,162,418 sh
$1.2B
Capital World Investors
5,249,249 sh
$1.0B
STATE STREET CORP
5,237,299 sh
$1.0B

Congress trades in ATI

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

ATI planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Harris Timothy J
Filed 2026-09-21
$1.7M
Harris Timothy J
Filed 2026-09-14
$3.2M
Harris Timothy J
Filed 2026-09-08
$3.4M
Morehouse David J
Filed 2026-09-02
$501.0K
Harris Timothy J
Filed 2026-08-31
$3.5M

ATI mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Invesco Dorsey Wright Basic Materials Momentum ETF
$4.9M position · as of 2026-07-31
6.9%
SEGALL BRYANT & HAMILL SELECT EQUITY ETF
$24.3M position · as of 2026-06-30
6.8%
Cromwell Tran Focus Fund
$1.5M position · as of 2026-06-30
6.5%
Tema U.S. Manufacturing & Reshoring ETF
$14.1M position · as of 2026-05-31
5.2%
SBH ALL CAP FUND
$2.0M position · as of 2026-06-30
4.1%
iShares Large Cap Core Active ETF
$224.4M position · as of 2026-07-31
3.5%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $56.1M sold by insiders over 180 days, 483 funds added last quarter, $33.7M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
MPTGNUENEMIEHYMCNWPXUUUUCRSLEUUSLMMLI

ATI financials

Revenue growth
+5.2%
XBRL, annual
Net margin
8.8%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$4.7B
four quarters, 2025-06-30 to 2026-06-28
Net margin, TTM
+10.1%
net income over revenue, 2025-06-30 to 2026-06-28
Free cash flow, TTM
$526.3M
operating cash flow minus capex, 2025-06-30 to 2026-06-28
Debt to equity
1.17x
long-term 2026-06-28 plus current 2026-06-28; equity 2026-06-28
Cash flow to debt
0.37x
TTM operating cash flow over long-term 2026-06-28 plus current 2026-06-28
Return on equity
+26.3%
TTM net income over average of 2025-06-29 and 2026-06-28
Return on assets
+8.8%
TTM net income over average of 2025-06-29 and 2026-06-28
Return on invested capital
+17.0%
operating income after a 18.1% effective tax rate, over long-term 2026-06-28 plus current 2026-06-28 plus average of 2025-06-29 and 2026-06-28 minus cash
Return on capital employed
+17.3%
operating income (EBIT proxy) over average of 2025-06-29 and 2026-06-28 minus current liabilities
P/E, trailing
48.72x
close 2026-10-27 over four quarters of diluted EPS, 2025-06-30 to 2026-06-28
Enterprise value
$24.0B
market value at close 2026-10-27 on 2026-08-03 shares, plus long-term 2026-06-28 plus current 2026-06-28, minus cash 2026-06-28
FCF yield
+2.3%
TTM free cash flow over market value at close 2026-10-27
PEG, trailing
2.65x
P/E over trailing EPS growth of 18%: four quarters to 2026-06-28 against the four to 2025-06-29
Price as of 2026-10-27. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122023-01
Revenue$4.6B$4.4B$4.2B$3.8B
Gross profit$1.0B$898.2M$802.6M$714.2M
Operating income$640.9M$608.9M$466.4M$316.1M
Net income$404.3M$367.8M$410.8M$323.5M
EPS (diluted)2.852.552.812.23
Operating cash flow$614.3M$407.2M$85.9M$224.9M
Cash$416.7M$721.2M$743.9M$584.0M
Long-term debt$1.7B$1.7B$2.1B$1.7B
Buybacks$470.0M$260.0M$85.2M$139.9M
SEC XBRL, fiscal years, as known on 2026-10-28

ATI Stock Sonar score 6/7 axes

Find similar shapesCompare

ATI ranks highest on institutional and government (94th percentile) and profitability (83rd), and lowest on insider conviction (4th), among Mining & Metals peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
83
Inputs
  • Return on equity+26.3% · 91 pct, sector of 89
  • Return on assets+8.8% · 85 pct, sector of 114
  • Return on invested capital+17.0% · 66 pct, universe of 1,069
  • Return on capital employed+17.3% · 88 pct, sector of 69
Financial health
41
Inputs
  • Debt to equity1.17x · 11 pct, sector of 80
  • Cash flow to debt0.37x · 70 pct, sector of 75
Growth
56
Inputs
  • Revenue growth, YoY+5.2% · 41 pct, sector of 81
  • Backlog growth, YoY+18.9% · 71 pct, universe of 854
Insider conviction
4
Inputs
  • Net Form 4 buying (codes P and S), 180d-$40.8M · 7 pct, sector of 69
  • Insider buyers, 180d0 · 0 pct, sector of 70
Institutional and government
94
Inputs
  • Funds adding, latest quarter483 · 94 pct, sector of 152
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
73
Inputs
  • Short interest, % of float+3.5% · 39 pct, sector of 252
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 47
  • New text in Risk Factors, latest 10-K+5.8% · 80 pct, sector of 76
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

ATI filings, in plain words

Are ATI insiders buying or selling ATI?

In the 180 days to 2026-10-28, ATI insiders were net sellers, a net $56.1M across purchases and sales reported on Form 4, by 3 sellers.

Are there planned insider sales of ATI?

Yes. 8 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $33.7M of stock; the latest, by Harris Timothy J, was filed 2026-09-21.

Read the full summary

In the 180 days to 2026-10-28, ATI insiders were net sellers of ATI, a net $56.1M across purchases and sales reported on Form 4 by 3 sellers. 13% of the 38 insider sales were made under a Rule 10b5-1 plan; the rest were not flagged as planned. Insiders filed 8 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $33.7M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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