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SEC Insider//CIK 0001255825

LUDLUM KEN

CIK 00012558256 companiesSAN CARLOS, CA
SEC Profile

Transactions

50

Companies

6

Filings

16

CIK

0001255825

Recent Transactions

50 trades
  • Award
    DIH HOLDING US, INC.

    Class A Common Stock

    2024-12-05$1.42/sh+52,817→ 52,817 total
  • Award
    IRIDEX CORP$IRIX

    Common Stock

    2023-06-14$1.91/sh+39,267→ 101,711 total
  • Award
    IRIDEX CORP$IRIX

    Common Stock

    2022-06-15+27,472→ 62,444 total
  • Award
    Personalis, Inc.$PSNL

    Stock Option (right to buy)

    2022-05-17+15,035→ 15,035 total
  • Award
    Personalis, Inc.$PSNL

    Common Stock

    2022-05-17+10,770→ 43,506 total
  • Award
    IRIDEX CORP$IRIX

    Common Stock

    2021-06-16+5,420→ 34,972 total
  • Award
    Personalis, Inc.$PSNL

    Stock Option (right to buy)

    2021-05-14+4,229→ 4,229 total
  • Award
    Personalis, Inc.$PSNL

    Common Stock

    2021-05-14+2,736→ 32,736 total
  • Sale
    Personalis, Inc.$PSNL

    Common Stock

    2020-08-14$20.42/sh−6,470→ 30,000 total
  • Sale
    Personalis, Inc.$PSNL

    Common Stock

    2020-08-14$20.05/sh−13,530→ 36,470 total
  • Award
    IRIDEX CORP$IRIX

    Common Stock

    2020-06-24+18,348→ 29,552 total
  • Award
    Personalis, Inc.$PSNL

    Stock Option (right to buy)

    2020-05-15+14,000→ 14,000 total
  • Exercise/Conversion
    Personalis, Inc.$PSNL

    Stock Option (right to buy)

    2020-02-07−4,167→ 0 total
  • Exercise/Conversion
    Personalis, Inc.$PSNL

    Common Stock

    2020-02-07$3.80/sh+4,167→ 50,000 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2019-08-01$31.94/sh−12,632→ 39,406 total
  • Award
    IRIDEX CORP$IRIX

    Common Stock

    2019-07-23+11,204→ 11,204 total
  • Award
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2019-07-01$25.66/sh+5,846→ 52,038 total
  • Purchase
    Personalis, Inc.$PSNL

    Common Stock

    2019-06-24$17.00/sh+70,000→ 70,000 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2019-06-11$24.41/sh−4,250→ 46,192 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2019-05-31$24.84/sh−6,000→ 50,442 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2019-05-10$26.28/sh−7,515→ 56,442 total
  • Award
    IRIDEX CORP$IRIX

    Stock Option (right to buy)

    2019-04-02+15,000→ 15,000 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-11-29$34.93/sh−10,000→ 63,957 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-10-26$29.06/sh−20,000→ 73,957 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-08-02$14.34/sh+5,000→ 98,957 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-08-02$36.89/sh−3,000→ 93,957 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-08-02$36.89/sh−5,000→ 93,957 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2018-08-02$24.50/sh−3,000→ 0 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2018-08-02$14.34/sh−5,000→ 0 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-08-02$24.50/sh+3,000→ 96,957 total
  • Award
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-06-22$36.30/sh+4,132→ 93,957 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-03-02$10.69/sh+5,000→ 93,825 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2018-03-02$31.68/sh−4,000→ 89,825 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2018-03-02+1,000→ 1,000 total
  • Award
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2017-06-21$35.60/sh+4,100→ 88,825 total
  • Award
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2016-06-02$33.46/sh+4,400→ 84,725 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2016-02-17$33.00/sh−117→ 80,325 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2016-02-16$33.02/sh−6,508→ 80,442 total
  • Award
    CareDx, Inc.$CDNA

    Common Stock

    2016-01-22+11,000→ 48,000 total
  • Award
    CareDx, Inc.$CDNA

    Employee Stock Option (right to buy)

    2016-01-22+33,000→ 33,000 total
  • Award
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-06-04$40.61/sh+3,250→ 86,950 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$36.57/sh−2,500→ 83,700 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$36.57/sh−2,500→ 83,700 total
  • Sale
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$36.57/sh−2,500→ 83,700 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$16.38/sh+2,500→ 86,200 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$16.78/sh+2,500→ 86,200 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2015-05-27−2,500→ 0 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2015-05-27−2,500→ 0 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Nonqualified Stock Option

    2015-05-27−2,500→ 0 total
  • Exercise/Conversion
    NATUS MEDICAL INC

    Common Stock, $0.001 par value per share

    2015-05-27$10.73/sh+2,500→ 86,200 total

Companies

6

Recent Filings

16

Address

C/O NATUS MEDICAL INCORPORATED 1501 INDUSTRIAL ROAD

SAN CARLOS, CA, 94070

View on SEC.gov