David Sponsel, EVP of Alphatec Holdings ATEC, has filed 0 purchases and 23 sales on the open market. Over the past 12 months that comes to a net sale of $4.5M. The latest trade was on 03/11.

DS

DS

David Sponsel

EVP, Sales

Company

Alphatec Holdings ATEC

First filing

23/01/10

Trades

40 trades

Buys / sales

0 / 23

12-month net buying

−$4.5M

Last trade

03/11

FollowShare

Trading activity

6 months1 year2 years5 yearsAll

Transactions

Company	Trade type	Traded	Filed	Shares	Price	Value	Holding change
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	03/11	03/13	163,452 sh	$12.52	$2,046,419.04	−24.5%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	02/05	02/06	60,425 sh	$13.79	$833,260.75	−14.7%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/12/10	25/12/12	21,106 sh	$20.79	$438,793.74	−4.6%
Alphatec HoldingsATEC	Open-market sale	25/12/08	25/12/10	988 sh	$21.45	$21,192.6	−0.2%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/10/24	25/10/28	70,000 sh	$16.18	$1,132,600	−13.2%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/09/18–25/09/19	25/09/19	140,000 sh2 trades	$15.09avg.	$2,113,238.75	−20.8%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/03/06	25/03/10	33,732 sh	$10.83	$365,317.56	−4.8%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/02/24–25/02/25	25/02/26	32,365 sh2 trades	$10.54avg.	$341,062.37	−4.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/02/03	25/02/04	36,256 sh	$11.42	$414,043.52	−4.7%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	25/01/10–25/01/13	25/01/14	58,521 sh2 trades	$10.71avg.	$626,590.93	−10.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/12/11	24/12/13	62,018 sh	$9.69	$600,954.42	−10.0%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/02/27	24/02/29	32,365 sh	$15.19	$491,624.35	−4.9%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/02/21	24/02/22	17,820 sh	$15.34	$273,358.8	−2.6%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/02/14	24/02/15	2,500 sh	$16.16	$40,400	−0.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/02/02	24/02/05	36,620 sh	$16.47	$603,131.4	−5.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	24/01/16	24/01/17	2,500 sh	$15.00	$37,500	−0.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	23/12/21	23/12/26	2,500 sh	$15.00	$37,500	−0.4%
Alphatec HoldingsATEC	Open-market sale10b5-1 plan	23/06/15	23/06/20	55,577 sh	$16.17	$898,680.09	−9.0%
Alphatec HoldingsATEC	Open-market sale	23/03/06	23/03/08	16,823 sh	$15.82	$266,139.86	−2.3%
Alphatec HoldingsATEC	Open-market sale	23/01/09	23/01/10	10,000 sh	$11.99	$119,900	−1.8%