InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (23 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
23
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Sponsel David, Directeur Commercial. Officer active across 1 company, notably Alphatec Holdings, Inc.. Cumulatively, 42 reports have been published. Breakdown: 0 buy · 23 sells. Total volume traded: €9.8m. History available since 3 May 2021. The latest transaction was disclosed on 11 March 2026 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Sponsel David
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Declarations42 total
163,452 shares@ US$12.5214.0% of flowCommon StockSEC:0001772837-26-000007:0
205,094 shares0Common StockSEC:0001772837-26-000005:0
60,425 shares@ US$13.795.6% of flowCommon StockSEC:0001772837-26-000003:0
21,106 shares@ US$20.793.7% of flowCommon StockSEC:0001772837-25-000010:0
988 shares@ US$21.450.2% of flowCommon StockSEC:0001772837-25-000007:0
70,000 shares@ US$16.1811.2% of flowCommon StockSEC:0001772837-25-000005:0
137,445 shares@ US$15.0918.1% of flowCommon StockSEC:0001772837-25-000003:0
982 shares@ US$15.340.2% of flowCommon StockSEC:0001415889-25-021304:0
3,866 sharesCommon StockSEC:0001415889-25-010026:0
33,732 shares@ US$10.833.9% of flowCommon StockSEC:0001415889-25-007493:0
12,946 shares@ US$10.731.5% of flowCommon StockSEC:0001415889-25-005799:0
36,256 shares@ US$11.424.6% of flowCommon StockSEC:0001415889-25-003036:0
133,591 shares0Common StockSEC:0001415889-25-002595:0
58,283 shares@ US$10.717.0% of flowCommon StockSEC:0001415889-25-001441:1
238 shares@ US$10.000.0% of flowCommon StockSEC:0001415889-25-001441:0
62,018 shares@ US$9.696.6% of flowCommon StockSEC:0001415889-24-029319:0
32,365 shares@ US$15.195.2% of flowCommon StockSEC:0001415889-24-005992:0
35,063 shares0Common StockSEC:0001415889-24-004923:0
2,500 shares@ US$16.160.4% of flowCommon StockSEC:0001415889-24-003973:0
121,258 shares0Common StockSEC:0001415889-24-002693:0
2,500 shares@ US$15.000.4% of flowCommon StockSEC:0001415889-24-001297:0
2,500 shares@ US$15.000.4% of flowCommon StockSEC:0001415889-23-016946:0
55,577 shares@ US$16.179.4% of flowCommon StockSEC:0001415889-23-009981:0
68,174 shares@ US$15.5911.2% of flowCommon StockSEC:0001415889-23-008136:0
35,590 shares@ US$16.156.0% of flowCommon StockSEC:0001415889-23-006953:0
25 of 42 declarations
About Sponsel David
Sponsel David is Directrice Commercial and EVP, SALES at Alphatec Holdings, Inc. (XNAS). He has 42 filings in total, and in the recent filings tracked between 2021-05-04 and 2026-03-13, sales amount to EUR 9807934, with the modal transaction nature shown as Cession.
