MarketPeel
Insider Trading Intelligence
JD

James C. Diggs

ATI
DIRECTOR · ATI INC · CIK 0001200401
FILING MIX · LIFETIME71%/29%
BUYS
12
SELLS
5
TOTAL VALUE
$732.4K
COMPANIES
2
ACTIVE SINCE
May 2020
HOLDINGS NOW
212,845
AVG SELL PX
$13.06
TRADE KIND
SHOWING 17 / 17
Trades · vs SPY
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Performance · forward returns vs SPY
3 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by James C. Diggs, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d3+66.67%-3.23%-0.63%-2.60%-2.06%
14d3+66.67%-0.71%-0.06%-0.65%+0.01%
30d3+66.67%+8.07%+2.33%+5.74%-2.80%
60d3+66.67%+1.32%-0.57%+1.89%-2.85%
90d3+66.67%-5.38%-0.20%-5.18%-13.51%
180d3+33.33%+15.59%+7.48%+8.11%-3.69%
1y3(1 pending)+0.00%+59.88%+20.46%+39.42%+39.42%
2y3(1 pending)+0.00%+109.94%+47.13%+62.80%+62.80%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
ATI · 46,590.815 shares · as of Sep 8, 2023
014,64229,28543,92758,570202120222023SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 12 buys / 5 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
37,582166,254May 28, 2026Jun 1, 2026View →
BDN
BRANDYWINE REALTY TRUST
SALE
23,190$3.47$80.5K128,672Oct 30, 2025Nov 3, 2025View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
27,644$4.16$115.0K151,862May 21, 2025May 23, 2025View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
25,054$4.59$115.0K124,218May 23, 2024May 28, 2024View →
ATI
ATI INC
SALE10b5-1
10b5-1 plan
2,674$44.90$120.1K46,590.815Sep 8, 2023Sep 12, 2023View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
31,16599,164May 25, 2023May 26, 2023View →
ATI
ATI INC
PURCHASEGRANT
Stock grant
3,20549,264May 16, 2023May 17, 2023View →
ATI
ATI INC
SALE
12,500$24.00$300.0K46,059.815Jul 19, 2022Jul 21, 2022View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
8,64467,999May 18, 2022May 19, 2022View →
ATI
ATI INC
PURCHASEGRANT
Stock grant
4,30958,569.815May 17, 2022May 19, 2022View →
ATI
ATI INC
PURCHASEGRANT
Stock grant
4,34754,260.815May 25, 2021May 26, 2021View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
6,93959,355May 18, 2021May 20, 2021View →
ATI
ATI INC
SALE
67$23.01$1.5K49,913.815May 12, 2021May 14, 2021View →
BDN
BRANDYWINE REALTY TRUST
PURCHASEGRANT
Stock grant
10,05352,416May 20, 2020May 22, 2020View →
ATI
ATI INC
PURCHASE
32$6.90$22149,980.815May 15, 2020May 18, 2020View →
ATI
ATI INC
SALE
22$6.73$14850,012.815May 13, 2020May 14, 2020View →
ATI
ATI INC
PURCHASEGRANT
Stock grant
13,57750,034.815May 12, 2020May 14, 2020View →
Other insiders · ATI
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About this filer
CIK 0001200401
ROLE
Director
PRIMARY
ATI
COMPANIES
2
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001200401DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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