Home/Insiders/Chen Hongming
CH
SEC Insider//CIK 0001710697

Chen Hongming

CIK 00017106971 companyWALTHAM

Transactions

22

Companies

1

Filings

12

CIK

0001710697

Recent Transactions

22 trades
  • Sale

    Common Stock

    2021-10-27$1.82/sh21,051204,515 total
  • Sale

    Common Stock

    2021-10-26$1.80/sh9,449225,566 total
  • Sale

    Common Stock

    2021-06-29$5.56/sh5,548235,015 total
  • Sale

    Common Stock

    2021-06-28$5.77/sh2,452240,563 total
  • Exercise/Conversion

    Common Stock

    2021-03-01$2.30/sh+9,500243,015 total
  • Exercise/Conversion

    Stock Option (right to buy

    2021-03-019,50053,736 total
  • Exercise/Conversion

    Common Stock

    2021-02-25$2.30/sh+47,000233,515 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2021-02-2547,00063,236 total
  • Award

    Common Stock

    2021-01-04+22,666186,515 total
  • Award

    Stock Option (right to buy)

    2021-01-04+90,66790,667 total
  • Award

    Common Stock

    2020-10-26+61,000163,849 total
  • Award

    Comman Stock

    2020-06-25+16,000102,849 total
  • Exercise/Conversion

    Common Stock

    2020-03-30$2.30/sh+31,00086,849 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2020-03-3031,00075,236 total
  • Award

    Stock Option (right to buy)

    2020-01-02+120,000120,000 total
  • Award

    Stock Option (right to buy)

    2019-01-02+150,000150,000 total
  • Exercise/Conversion

    Common Stock

    2018-02-28$2.30/sh+4,00050,080 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2018-02-284,000106,236 total
  • Exercise/Conversion

    Common Stock

    2018-02-28$2.24/sh+5,76955,849 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2018-02-285,7690 total
  • Award

    Stock Option (right to buy)

    2018-02-07+70,00070,000 total
  • Award

    Stock Option (right to buy)

    2017-07-19+28,80028,800 total