InsidersTradesSigma
Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (7 ops.)
Insider track record
CFODisclosed buys
1
Disclosed sells
7
T+90 hit rate
22%
T+90 mean return
-13.8%
Across 9 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Koning John Todd, Chief Financial Officer. Officer active across 1 company, notably Alphatec Holdings, Inc.. In total, 17 filings have been recorded. Breakdown: 1 buy · 7 sells. Total volume traded: €4.6m. Activity tracked since 16 December 2021. The latest transaction was filed on 6 August 2025 (Retenue fiscale). Regulator: SEC (Form 4). All data is openly available.
Declarations17 total
5,315 shares@ US$15.34Common StockSEC:0001415889-25-021302:0
37,500 shares@ US$10.717.2% of flowCommon StockSEC:0001415889-25-011237:0
20,929 sharesCommon StockSEC:0001415889-25-010022:0
165,121 shares@ US$9.7230.2% of flowCommon StockSEC:0001415889-25-007836:0
120,952 shares0Common StockSEC:0001415889-25-002600:0
37,500 shares@ US$12.829.2% of flowCommon StockSEC:0001415889-24-011594:0
121,601 shares@ US$13.3030.6% of flowCommon StockSEC:0001415889-24-006444:0
31,746 shares0Common StockSEC:0001415889-24-004924:0
129,612 shares0Common StockSEC:0001415889-24-002686:0
16,500 shares@ US$16.425.0% of flowCommon StockSEC:0001415889-23-006810:0
22,500 shares@ US$14.766.4% of flowCommon StockSEC:0001415889-23-003726:0
13,068 shares@ US$14.203.6% of flowCommon StockSEC:0001415889-23-003227:0
90,242 shares0Common StockSEC:0001415889-23-001975:0
16,092 shares@ US$11.540.015% mcap46.5% of flowCommon StockSEC:0001179110-22-002768:0
10,582 shares@ US$10.940.0089% mcap27.4% of flowCommon StockSEC:0001179110-22-002387:0
50,000 shares0Common StockSEC:0001179110-22-001695:0
5,000 shares@ US$11.170.0042% mcap13.0% of flowCommon StockSEC:0001179110-21-011131:0
Canonical exit: 16 Mar 2022 (T+90)
17 of 17 declarations
About Koning John Todd
Koning John Todd is the Chief Financial Officer of Alphatec Holdings, Inc. In this role, he is responsible for the financial management of the company, including financial planning, risk management, and financial reporting. His expertise in finance and strategy contributes to the growth and financial stability of Alphatec Holdings.
