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AMERICAN CENTURY COMPANIES INC
- As of  05/15/24, 11:44:11 AM:   80 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 BE AEROSPACE INC net 12.0% view
B -36.62% 1998-02-04 00:00:00.0 P COM INC BMC 12.0% view
B 57.74% 1998-02-04 00:00:00.0 TELLABS INC TLAB 12.0% view
B -0.45% 1998-02-04 00:00:00.0 SUPERIOR INDUSTRIES INTERNATIONAL INC SUP 8.1% view
B 16.60% 1998-02-04 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 12.0% view
B 1998-02-04 00:00:00.0 RADISYS CORP RSYS 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 IDPH 6.0% view
B 1998-02-04 00:00:00.0 BECKMAN INSTRUMENTS INC ATN 5.3% view
B 31.15% 1998-02-04 00:00:00.0 AUTODESK INC SBUX 12.0% 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 9.83% 1998-02-04 00:00:00.0 LATTICE SEMICONDUCTOR CORP lscc 12.0% view
B 123.95% 1997-02-11 00:00:00.0 RENT WAY INC RWY 12.0% view
B 1997-02-11 00:00:00.0 INFORMIX CORP ASCL 12.0% view
B 8.89% 1997-02-11 00:00:00.0 GENZYME CORP GENZ 12.0% view
B 83.70% 1997-02-11 00:00:00.0 INTUIT INC INTU 12.0% view
B 7.37% 1997-02-10 00:00:00.0 ADOBE SYSTEMS INC ADBE 12.0% view
B 56.60% 1997-02-10 00:00:00.0 CYBEROPTICS CORP cybe 12.0% view
B 65.10% 1997-02-10 00:00:00.0 ASYST TECHNOLOGIES INC ASYT 12.0% view
B 1997-02-10 00:00:00.0 BIO VASCULAR INC BGEN 12.0% view
B 34.26% 1997-02-10 00:00:00.0 APPLIED MATERIALS INC CERN 12.0% view
B 1997-02-10 00:00:00.0 DELL COMPUTER CORP SYBS 12.0% view
B -58.90% 1997-02-07 00:00:00.0 S3 INC TRID 12.0% view
B 87.35% 1997-02-07 00:00:00.0 ULTRATECH STEPPER INC STE 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 SBUX 5.1% view
B 1.44% 1997-02-06 00:00:00.0 GERBER SCIENTIFIC INC GRB 5.7% view
B 1997-02-05 00:00:00.0 MCAFEE ASSOCIATES INC PCOM 7.6% view
B -44.52% 1997-02-05 00:00:00.0 BMC SOFTWARE INC AZPN 5.1% view
B -28.92% 1997-02-05 00:00:00.0 COMVERSE TECHNOLOGY INC CELL 6.1% view
B 1997-02-05 00:00:00.0 CITRIX SYSTEMS INC NBTY 5.3% view
B -61.49% 1997-02-05 00:00:00.0 ACCUSTAFF INC mps 6.0% view
B 1997-02-03 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 6.6% view
S 1997-02-03 00:00:00.0 SUN MICROSYSTEMS INC sunw 7.7% 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 1996-02-12 00:00:00.0 FSI INTERNATIONAL INC SBLUQ 9.1% view
B 1996-02-12 00:00:00.0 RENT WAY INC PCLE 6.8% view
B 26.56% 1996-02-12 00:00:00.0 INFORMIX CORP TRID 7.5% view
B -57.53% 1996-02-12 00:00:00.0 CYBEROPTICS CORP cybe 8.6% view
B -7.13% 1996-02-12 00:00:00.0 CEPHALON INC CEPH 6.6% view
B -28.60% 1996-02-12 00:00:00.0 STERIS CORP STE 7.0% view
B -67.57% 1996-02-12 00:00:00.0 ASYST TECHNOLOGIES INC FILE 5.1% view
B -61.23% 1996-02-12 00:00:00.0 BIO VASCULAR INC GENZ 7.0% view
B 1996-02-12 00:00:00.0 GENZYME CORP BGEN 7.6% view
S 1996-02-12 00:00:00.0 INTUIT INC INTU 6.4% view
B -43.73% 1996-02-12 00:00:00.0 PEOPLESOFT INC PSFT 5.5% view
S 1996-02-12 00:00:00.0 QUALCOMM INC QCOM 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 DELL COMPUTER CORP DELL 7.3% view
B 44.60% 1996-02-09 00:00:00.0 NOVELLUS SYSTEMS INC NVLS 12.0% view
B 1996-02-09 00:00:00.0 SYBASE INC SYBS 8.4% view
B 55.79% 1995-02-09 00:00:00.0 ADVANTA CORP ADVNB 5.2% view
B 1995-02-09 00:00:00.0 ORACLE SYSTEMS CORP ORCL 12.0% view
B 1995-02-09 00:00:00.0 SEITEL INC SELA 8.6% view
B 35.10% 1995-02-09 00:00:00.0 SCIENTIFIC ATLANTA INC ALTR 12.0% view
B -32.38% 1995-02-09 00:00:00.0 TELLABS INC ccbl 8.6% view
B 1995-02-09 00:00:00.0 CIRRUS LOGIC INC AKLM 12.0% view
B -31.91% 1995-02-09 00:00:00.0 MICROCHIP TECHNOLOGY INC MCHP 12.0% view
B -37.89% 1995-02-09 00:00:00.0 AMERICAN POWER CONVERSION CORPORATION ELY 12.0% view
B -30.49% 1995-02-09 00:00:00.0 ELECTRONIC ARTS INC XLNX 12.0% view
B 1.50% 1995-02-09 00:00:00.0 CHIRON CORP COMS 9.9% view
B 1995-02-09 00:00:00.0 AUTODESK INC NXTL 12.0% view
B 1995-02-09 00:00:00.0 BEST BUY CO INC STK 8.4% view
B -42.00% 1995-02-09 00:00:00.0 APPLIED MATERIALS INC KLAC 5.3% view
B 8.24% 1995-02-09 00:00:00.0 NOVELLUS SYSTEMS INC LRCX 12.0% view
B -26.79% 1995-02-08 00:00:00.0 LONE STAR STEAKHOUSE & SALOON INC GYMB 5.6% view
B -31.85% 1995-02-08 00:00:00.0 SYMANTEC CORP SYMC 12.0% view
B 71.41% 1995-02-08 00:00:00.0 QUALCOMM INC QCOM 12.0% view
B 39.37% 1995-02-08 00:00:00.0 ORACLE SYSTEMS CORP ORCL 5.3% view
B 1994-02-11 00:00:00.0 MAXTOR CORP MXO 0.0% view
B 1994-02-11 00:00:00.0 BIOGEN INC BGEN 1.1% view
B 116.64% 1994-02-11 00:00:00.0 BEST BUY CO INC DELL 0.0% view
B -16.67% 1994-02-10 00:00:00.0 ADVANTA CORP COMS 2.3% 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.