J Donald Listwin

Insider Trading: Purchases
Symbol Price Amount Total Value Remaining Holdings Date Form 4
(CALX) $50.94 10,000 $509,400.00 310,000 2022-02-04 Filing
(CALX) $74.36 23 $1,710.17 800,000 2021-11-04 Filing
(CALX) $60.00 15,000 $899,992.50 799,977 2021-10-28 Filing
(CALX) $35.75 20,000 $714,954.00 300,000 2021-02-09 Filing
(CALX) $22.53 20,000 $450,560.00 797,477 2020-11-10 Filing
(CALX) $20.40 21,936 $447,531.69 285,000 2020-08-26 Filing
(CALX) $19.82 5,109 $101,266.00 263,064 2020-08-25 Filing
(CALX) $19.98 22,955 $458,622.54 257,955 2020-08-24 Filing
(CALX) $21.00 15,000 $314,995.50 792,477 2020-08-03 Filing
(CALX) $12.11 30,000 $363,408.00 765,000 2020-05-01 Filing
(CALX) $10.20 10,000 $102,019.00 235,000 2020-02-18 Filing
(CALX) $10.20 10,000 $102,016.00 735,000 2020-02-18 Filing
(CALX) $7.97 25,000 $199,232.50 225,000 2019-10-28 Filing
(CALX) $5.96 16,352 $97,516.79 750,000 2019-08-05 Filing
(CALX) $6.40 19,180 $122,798.03 733,648 2019-07-29 Filing
(CALX) $6.72 15,000 $100,869.00 693,320 2019-05-13 Filing
(CALX) $8.04 12,500 $100,441.25 678,320 2019-02-14 Filing
(CALX) $9.80 12,500 $122,500.00 680,820 2018-11-08 Filing
(CALX) $6.88 12,500 $85,965.00 668,320 2018-08-10 Filing
VMEM $0.49 500,000 $245,000.00 2,836,000 2016-05-31 Filing