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Insider Trading Intelligence
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JM

J. Kent Masters

ALB
CHAIRMAN & CEO · ALBEMARLE CORP · CIK 0001396415
FILING MIX · LIFETIME45%/55%
BUYS
21
SELLS
26
TOTAL VALUE
$26.38M
COMPANIES
1
ACTIVE SINCE
May 2020
HOLDINGS NOW
88,219
AVG SELL PX
$159.79
TRADE KIND
SHOWING 47 / 47
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
6 backtested trades · 8 horizons · 10 pending
Forward-return performance of every backtestable P/S trade by J. Kent Masters, 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
7d6+83.33%+1.89%-0.44%+2.33%+0.81%—
14d6+33.33%+2.40%-2.17%+4.57%+9.86%—
30d6+50.00%+2.73%+0.88%+1.85%+3.09%—
60d6+50.00%+14.73%+6.07%+8.66%+13.28%—
90d6+100.00%-1.68%+3.71%-5.39%-15.56%—
180d6(3 pending)+66.67%-9.71%+0.35%-10.06%-34.75%—
1y6(3 pending)+33.33%+10.42%+11.59%-1.17%+10.08%—
2y6(4 pending)+0.00%-51.54%+29.49%-81.03%-81.03%—
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
ALB · 88,219 shares · as of May 15, 2026
036,60373,206109,808146,411202120222023202420252026SHARES 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 · 21 buys / 26 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
11,867$183.87$2.18M88,219May 15, 2026May 19, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
3,826$183.12$700.6K100,086May 15, 2026May 19, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
700$184.52$129.2K87,519May 15, 2026May 19, 2026 ↗View →
ALB
ALBEMARLE CORP
SALEGRANT
Gift
30,716$162.79$5.00M103,912Mar 12, 2026Mar 12, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
5,395$170.26$918.6K141,016Mar 10, 2026Mar 12, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
996$171.82$171.1K134,628Mar 10, 2026Mar 12, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
5,392$171.18$923.0K135,624Mar 10, 2026Mar 12, 2026 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
22,450——146,411Mar 2, 2026Mar 4, 2026 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
9,032$184.93$1.67M127,885Feb 26, 2026Mar 2, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
3,924$184.93$725.7K123,961Feb 26, 2026Mar 2, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
9,245$141.44$1.31M132,688Dec 31, 2025Jan 2, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
13,835$141.44$1.96M118,853Dec 31, 2025Jan 2, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
4,379$141.44$619.4K141,933Dec 31, 2025Jan 2, 2026 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
7,442$78.97$587.7K114,654Feb 27, 2025Feb 28, 2025 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
16,932——0Feb 27, 2025Feb 28, 2025 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
16,932——122,096Feb 27, 2025Feb 28, 2025 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
31,658——146,312Feb 27, 2025Mar 3, 2025 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
73,965——73,965Feb 27, 2025Mar 3, 2025 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
434——105,356Dec 31, 2024Jan 3, 2025 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
192$86.08$16.5K105,164Dec 31, 2024Jan 3, 2025 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
434——0Dec 31, 2024Jan 3, 2025 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
2,525$101.12$255.3K73,747Dec 5, 2024Dec 6, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
7,908——79,768Feb 26, 2024Feb 28, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
3,496$121.52$424.8K76,272Feb 26, 2024Feb 28, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
6,464$118.18$763.9K71,860Feb 22, 2024Feb 26, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
51,335——51,335Feb 22, 2024Feb 26, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
17,496——78,324Feb 22, 2024Feb 26, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
21,155——21,155Feb 22, 2024Feb 26, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
17,496——0Feb 22, 2024Feb 26, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
8,032——434Dec 31, 2023Jan 3, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
16,780——68,246Dec 31, 2023Jan 3, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
8,748——0Dec 31, 2023Jan 3, 2024 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
7,418$144.48$1.07M60,828Dec 31, 2023Jan 3, 2024 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
5,470$181.64$993.6K51,466May 5, 2023May 8, 2023 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
54,475——0Apr 19, 2023Apr 21, 2023 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman & CEO
54,475——70,347Apr 19, 2023Apr 21, 2023 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman & CEO
24,351$203.78$4.96M45,996Apr 19, 2023Apr 21, 2023 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
10,020——10,020Feb 24, 2023Feb 28, 2023 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
25,340——25,340Feb 24, 2023Feb 28, 2023 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
25,794——25,794Feb 25, 2022Mar 1, 2022 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
8,466——8,466Feb 25, 2022Mar 1, 2022 ↗View →
ALB
ALBEMARLE CORP
PURCHASE
Chairman, President & CEO
5,241$190.80$1000.0K15,872Feb 18, 2022Feb 18, 2022 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
27,823——27,823Feb 26, 2021Mar 2, 2021 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
8,748——8,748Feb 26, 2021Mar 2, 2021 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman, President & CEO
0——10,631Jul 1, 2020Mar 8, 2021 ↗View →
ALB
ALBEMARLE CORP
SALE
Chairman, President & CEO
354——16,700Jul 1, 2020Jul 2, 2020 ↗View →
ALB
ALBEMARLE CORP
PURCHASEGRANT
Stock grant
54,475——54,475May 8, 2020May 11, 2020 ↗View →
Other insiders · ALB
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About this filer
CIK 0001396415
ROLE
Chairman & CEO
PRIMARY
ALB
COMPANIES
1
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001396415DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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