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Activity — Sei Investments Co

35 moves.

Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 29, 2026Hicke Ryan
CEO
SellCommon Stock$4.36M-50K
-19.20%
210,218
0.18% of shares
medium
Jun 26, 2026West Alfred P JrSellCommon Stock$4.03M-46K
-0.67%
6,829,621
5.69% of shares
medium
Mar 10, 2026West Alfred P JrSellCommon Stock$2.37M-29K
-0.43%
6,883,230
5.74% of shares
medium
Mar 10, 2026West Alfred P JrSellCommon Stock$2.03M-25K
-0.37%
6,912,661
5.76% of shares
medium
Jan 29, 2026Hicke Ryan
CEO
SellCommon Stock$1.48M-17K
-6.14%
260,155
0.22% of shares
medium
Jan 29, 2026Hicke Ryan
CEO
ExerciseCommon Stock$1.29M+20K
+8.34%
259,664
0.22% of shares
low
Jan 29, 2026Hicke Ryan
CEO
SellCommon Stock$1.15M-13K
-6.21%
197,164
0.16% of shares
medium
Jan 29, 2026Hicke Ryan
CEO
ExerciseCommon Stock$989.5K+18K
+6.74%
277,164
0.23% of shares
low
May 4, 2026McCarthy Kathryn
Director
SellCommon Stock$910.7K-10K
-11.38%
77,883
0.06% of shares
medium
Jan 29, 2026Hicke Ryan
CEO
ExerciseCommon Stock$889.0K+13K
+5.96%
222,164
0.19% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseCommon Stock$889.0K+13K
+6.34%
209,664
0.17% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseCommon Stock$848.2K+18K
+7.88%
239,664
0.20% of shares
low
Mar 18, 2026Denham Sean
Executive
OtherCommon Stock$604.4K-8K
-11.73%
57,758
0.05% of shares
low
Jun 29, 2026West Alfred P JrSellCommon Stock$492.7K-6K
-0.08%
6,820,131
5.68% of shares
medium
Mar 11, 2026West Alfred P JrSellCommon Stock$480.7K-6K
-0.09%
6,877,154
5.73% of shares
medium
Jun 9, 2026Doran William
Director
SellCommon Stock$452.5K-5K
-0.80%
618,802
0.52% of shares
medium
Jun 26, 2026West Alfred P JrSellCommon Stock$336.5K-4K
-0.06%
6,825,783
5.69% of shares
medium
Feb 25, 2026Warner Mark AndrewSellCommon Stock$327.0K-4K
-81.28%
921
<0.01% of shares
medium
Jan 1, 2026West Alfred P JrOtherCommon Stock$285.6K-3K
-0.05%
6,938,230
5.78% of shares
low
May 4, 2026McCarthy Kathryn
Director
ExerciseCommon Stock$248.2K+5K
+6.03%
87,883
0.07% of shares
low
May 4, 2026McCarthy Kathryn
Director
ExerciseCommon Stock$248.2K+5K
+6.42%
82,883
0.07% of shares
low
Jun 29, 2026West Alfred P JrSellCommon Stock$148.0K-2K
-0.02%
6,818,451
5.68% of shares
medium
Feb 25, 2026Warner Mark AndrewGrantCommon Stock$142.2K+2K
+68.47%
4,921
<0.01% of shares
low
Feb 25, 2026Warner Mark AndrewGrantCommon Stock$142.2K+2K
+217.16%
2,921
<0.01% of shares
low
Mar 11, 2026West Alfred P JrSellCommon Stock$109.6K-1K
-0.02%
6,875,783
5.73% of shares
medium
Mar 10, 2026West Alfred P JrSellCommon Stock$14.0K-178
-0.00%
6,938,052
5.78% of shares
low
May 4, 2026McCarthy Kathryn
Director
ExerciseSTOCK OPTION (RIGHT TO PURCHASE)—-5K
-100.00%
0
0.00% of shares
low
May 4, 2026McCarthy Kathryn
Director
ExerciseSTOCK OPTION (RIGHT TO PURCHASE)—-5K
-100.00%
0
0.00% of shares
low
Feb 25, 2026Warner Mark AndrewExerciseSTOCK OPTION RIGHT TO PURCHASE—-2K
-100.00%
0
0.00% of shares
low
Feb 25, 2026Warner Mark AndrewExerciseSTOCK OPTION RIGHT TO PURCHASE—-2K
-100.00%
0
0.00% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseOption to Purchase Common Stock—-18K
-23.33%
57,500
0.05% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseOption to Purchase Common Stock—-20K
-100.00%
0
0.00% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseOption to Purchase Common Stock—-18K
-100.00%
0
0.00% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseOption to Purchase Common Stock—-13K
-100.00%
0
0.00% of shares
low
Jan 29, 2026Hicke Ryan
CEO
ExerciseOption to Purchase Common Stock—-13K
-100.00%
0
0.00% of shares
low
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