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AMERICAN CENTURY COMPANIES INC
- As of  06/01/24, 04:00:02 AM:   82 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 1998-10-06 00:00:00.0 LAB HOLDINGS INC LABS 10.1% view
B 1998-02-04 00:00:00.0 MCAFEE ASSOCIATES INC net 12.0% view
B -36.62% 1998-02-04 00:00:00.0 BMC SOFTWARE INC BMC 12.0% view
B 57.74% 1998-02-04 00:00:00.0 TELLABS INC TLAB 12.0% view
B 115.43% 1998-02-04 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT 12.0% view
B -12.16% 1998-02-04 00:00:00.0 SUPERIOR INDUSTRIES INTERNATIONAL INC CELL 12.0% view
B 16.60% 1998-02-04 00:00:00.0 ELECTRONICS FOR IMAGING INC CTXS 12.0% view
B 1998-02-04 00:00:00.0 RADISYS CORP LABS 9.8% view
B 110.96% 1998-02-04 00:00:00.0 NBTY INC sunw 12.0% view
B 1998-02-04 00:00:00.0 ACCUSTAFF INC mps 6.0% view
B 1998-02-04 00:00:00.0 BECKMAN INSTRUMENTS INC BEC 6.2% view
B -4.61% 1998-02-04 00:00:00.0 AUTODESK INC ADSK 5.9% view
B 1998-02-04 00:00:00.0 STAGE STORES INC STGS 7.6% view
B 1998-02-04 00:00:00.0 PEOPLESOFT INC PSFT 12.0% view
B -6.54% 1997-02-11 00:00:00.0 GLENAYRE TECHNOLOGIES INC GEMS 12.0% view
B 1997-02-11 00:00:00.0 PINNACLE SYSTEMS INC PCLE 12.0% view
B 8.89% 1997-02-11 00:00:00.0 GENZYME CORP GENZ 12.0% view
B -18.54% 1997-02-11 00:00:00.0 INTUIT INC QCOM 12.0% view
B -6.64% 1997-02-10 00:00:00.0 ADOBE SYSTEMS INC FSII 12.0% view
B -60.52% 1997-02-10 00:00:00.0 CYBEROPTICS CORP CEPH 12.0% view
B 65.10% 1997-02-10 00:00:00.0 ASYST TECHNOLOGIES INC FILE 12.0% view
B 1997-02-10 00:00:00.0 BIO VASCULAR INC BGEN 12.0% view
B -22.58% 1997-02-10 00:00:00.0 APPLIED MATERIALS INC AMAT 12.0% view
B 75.29% 1997-02-10 00:00:00.0 DELL COMPUTER CORP DELL 12.0% view
B -58.90% 1997-02-07 00:00:00.0 S3 INC SBLUQ 12.0% view
B 87.35% 1997-02-07 00:00:00.0 ULTRATECH STEPPER INC UTEK 12.0% view
S 1997-02-07 00:00:00.0 3COM CORP TLAB 6.0% view
B 5.54% 1997-02-06 00:00:00.0 RADISYS CORP RSYS 5.1% view
B 34.39% 1997-02-06 00:00:00.0 STORAGE TECHNOLOGY CORP GRB 6.5% view
B 1997-02-05 00:00:00.0 BE AEROSPACE INC net 7.0% view
B 69.59% 1997-02-05 00:00:00.0 P PCOM 7.5% view
B -9.81% 1997-02-05 00:00:00.0 ASPEN TECHNOLOGY INC CMVT 8.3% view
B 64.94% 1997-02-05 00:00:00.0 BRIGHTPOINT INC CTXS 7.1% view
B -61.49% 1997-02-05 00:00:00.0 ACCUSTAFF INC TEAM 6.0% view
B 1997-02-03 00:00:00.0 ELECTRONICS FOR IMAGING INC LABS 6.6% view
S 1997-02-03 00:00:00.0 SUN MICROSYSTEMS INC PSFT 5.4% view
B 2.71% 1996-02-13 00:00:00.0 RESMED INC ADBE 5.3% view
B -69.14% 1996-02-12 00:00:00.0 LATTICE SEMICONDUCTOR CORP GEMS 5.4% view
B -1.64% 1996-02-12 00:00:00.0 FSI INTERNATIONAL INC FSII 5.6% view
B 26.85% 1996-02-12 00:00:00.0 RENT WAY INC RWY 6.2% view
B 1996-02-12 00:00:00.0 INFORMIX CORP ASCL 6.0% view
B 167.15% 1996-02-12 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 7.2% view
B 17.35% 1996-02-12 00:00:00.0 ULTRATECH STEPPER INC UTEK 7.2% view
B 1996-02-12 00:00:00.0 SEAFIELD CAPITAL CORP LABS 6.0% view
B -28.60% 1996-02-12 00:00:00.0 STERIS CORP sunw 7.0% view
B -67.57% 1996-02-12 00:00:00.0 FILENET CORP FILE 5.1% view
B -61.23% 1996-02-12 00:00:00.0 GENZYME CORP GENZ 7.0% view
B 1996-02-12 00:00:00.0 BIOGEN INC BGEN 7.6% view
S 1996-02-12 00:00:00.0 APPLIED MATERIALS INC AMAT 6.4% view
B -43.73% 1996-02-12 00:00:00.0 CERNER CORP CERN 5.5% view
S 1996-02-12 00:00:00.0 QUALCOMM INC SYBS 8.3% view
B 1996-02-09 00:00:00.0 IN FOCUS SYSTEMS INC SELA 12.0% view
B 1996-02-09 00:00:00.0 OXFORD HEALTH PLANS INC SFA 12.0% view
B -15.49% 1996-02-09 00:00:00.0 TELLABS INC ccbl 12.0% view
B 3.14% 1996-02-09 00:00:00.0 MICROCHIP TECHNOLOGY INC GYMB 12.0% view
B -15.33% 1996-02-09 00:00:00.0 3COM CORP ADSK 12.0% view
S 1996-02-09 00:00:00.0 STORAGE TECHNOLOGY CORP DELL 7.3% view
B 44.60% 1996-02-09 00:00:00.0 KLA INSTRUMENTS CORP NVLS 12.0% view
B 1996-02-09 00:00:00.0 HEALTHCARE COMPARE CORP SYBS 8.4% view
B 1995-02-09 00:00:00.0 PARAMETRIC TECHNOLOGY CORP ADVNB 12.0% view
B 12.94% 1995-02-09 00:00:00.0 IN FOCUS SYSTEMS INC ORCL 12.0% view
B 1995-02-09 00:00:00.0 ASPECT TELECOMMUNICATIONS CORP ASPT 5.7% view
B 1995-02-09 00:00:00.0 OXFORD HEALTH PLANS INC SFA 5.1% view
B -5.34% 1995-02-09 00:00:00.0 ALTERA CORP TLAB 5.9% view
B -27.93% 1995-02-09 00:00:00.0 C COR ELECTRONICS INC CRUS 12.0% view
B 42.31% 1995-02-09 00:00:00.0 ACCLAIM ENTERTAINMENT INC MCHP 6.0% view
B -55.22% 1995-02-09 00:00:00.0 COTT CORP APCC 12.0% view
B 13.33% 1995-02-09 00:00:00.0 CALLAWAY GOLF CO ERTS 12.0% view
B 1995-02-09 00:00:00.0 XILINX INC CHIR 12.0% view
B 2.41% 1995-02-09 00:00:00.0 3COM CORP COMS 5.7% view
B -40.57% 1995-02-09 00:00:00.0 BEST BUY CO INC BBY 12.0% view
B -9.74% 1995-02-09 00:00:00.0 APPLIED MATERIALS INC AMAT 12.0% view
B 13.30% 1995-02-09 00:00:00.0 NOVELLUS SYSTEMS INC NVLS 7.5% view
B 31.58% 1995-02-08 00:00:00.0 LAM RESEARCH CORP STAR 12.0% view
B 104.30% 1995-02-08 00:00:00.0 GYMBOREE CORP GYMB 12.0% view
B -21.47% 1995-02-08 00:00:00.0 SYMANTEC CORP SYMC 9.7% view
B 1995-02-08 00:00:00.0 QUALCOMM INC QCOM 7.3% view
B 1994-02-11 00:00:00.0 ORACLE SYSTEMS CORP ORCL 0.0% view
B -34.06% 1994-02-11 00:00:00.0 MAXTOR CORP MXO 0.0% view
B -47.70% 1994-02-11 00:00:00.0 BIOGEN INC BGEN 6.5% view
B 1994-02-11 00:00:00.0 DELL COMPUTER CORP DELL 0.0% view
B -0.85% 1994-02-10 00:00:00.0 3COM CORP COMS 7.8% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.
** Since most institutions are long investors, only returns for long transactions are shown here.