InsidersTradesSigma
Total declarations
Companies
▲ Purchases (10 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
10
Disclosed sells
1
T+90 hit rate
31%
T+90 mean return
-2.3%
Across 13 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Pelizzon David R, Director. Insider active across 3 companies, notably Alphatec Holdings, Inc.. Cumulatively, 22 disclosures have been published. Breakdown: 10 buys · 1 sell. Total volume traded: €7.9m. Activity tracked since 10 May 2021. The latest transaction was disclosed on 24 November 2025 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations22 total
250,000 shares@ US$20.6257.5% of flowCommon StockSEC:0001719217-25-000005:0
8,818 shares@ US$5.670.6% of flowCommon StockSEC:0001415889-24-022226:0
Ideal exit: 19 May 2025 (T+270)
16,747 shares0Common StockSEC:0001415889-24-016930:0
2,766 shares0Common StockSEC:0001425450-24-000047:0
9,908 shares0Common StockSEC:0001415889-23-010124:0
1,965 shares0Common StockSEC:0001425450-23-000082:0
3,100 shares@ US$15.240.6% of flowCommon StockSEC:0000899243-23-008574:0
Ideal exit: 8 Dec 2023 (T+270)
1,525,000 shares@ US$0.00031.0% of flowCommon StockSEC:0000899243-22-031659:0
18,546 shares0Common StockSEC:0001179110-22-003360:0
1,691 shares0Common StockSEC:0001425450-22-000070:0
4,366 shares@ US$11.410.0037% mcap1.3% of flowCommon StockSEC:0001179110-21-010133:0
Ideal exit: 8 Aug 2022 (T+270)
4,366 shares@ US$11.410.0037% mcap2.7% of flowCommon StockSEC:0001179110-21-010133
Ideal exit: 8 Aug 2022 (T+270)
825 shares@ US$66.480.011% mcap100.0% of flowCommon StockSEC:0001425450-21-000155:0
Ideal exit: 8 Aug 2022 (T+270)
825 shares@ US$66.480.010% mcap100.0% of flowCommon StockSEC:0001425450-21-000155
Ideal exit: 8 Aug 2022 (T+270)
5,425 shares@ US$13.000.0052% mcap1.9% of flowCommon StockSEC:0001179110-21-010028:0
Ideal exit: 5 Aug 2022 (T+270)
5,425 shares@ US$13.000.0052% mcap3.8% of flowCommon StockSEC:0001179110-21-010028
Ideal exit: 5 Aug 2022 (T+270)
10,221 shares0Common StockSEC:0000899243-21-025076
10,221 shares0Common StockSEC:0000899243-21-025076:0
1,400 shares0Common StockSEC:0001425450-21-000097:0
1,400 shares0Common StockSEC:0001425450-21-000097
120,000 shares@ US$15.250.13% mcap46.8% of flowCommon StockSEC:0000899243-21-019280:0
Ideal exit: 4 Feb 2022 (T+270)
120,000 shares@ US$15.2546.8% of flowCommon StockSEC:0000899243-21-019280
Ideal exit: 4 Feb 2022 (T+270)
22 of 22 declarations
About Pelizzon David R
David R. Pelizzon is a Director of Alphatec Holdings, Inc. and ORTHOPEDIATRICS CORP. In this role, he contributes to the strategic direction of the companies and oversees their operations. His expertise in the medical sector is an asset in guiding growth initiatives.
