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Who

David R. Pelizzon

Director and 10% owner

Company insider

Files Form 4 as: Director and 10% owner, OrthoPediatrics; Director and 10% owner, Alphatec Holdings.

Every Form 4 they filed

In numbers

Trades disclosed
64
Buys
14
Sells
12
Bought
$100.1M
Sold
$51.7M
Companies
2
Companies where not an officer
2
First trade
16 Oct 2017
Last trade
10 Sep 2026
Last filed
10 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
KIDS OrthoPediatricsDirector, 10% owner · Medical Devices · last 10 Sep 20265 buys · 7 sells
ATEC Alphatec HoldingsDirector, 10% owner · Medical Devices · last 10 Jun 20269 buys · 5 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
60Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Sep 2026filed 10 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$6.4M302,369 at $21.01filing
10 Sep 2026filed 10 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$6.4M302,369 at $21.01filing
2 Sep 2026filed 4 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$525K22,500 at $23.35filing
2 Sep 2026filed 4 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$525K22,500 at $23.35filing
1 Sep 2026filed 1 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$234K10,131 at $23.10filing
1 Sep 2026filed 1 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$234K10,131 at $23.10filing
28 Aug 2026filed 1 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$7.5M326,700 at $23.04filing
28 Aug 2026filed 1 Sep 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$7.5M326,700 at $23.04filing
26 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$437K18,000 at $24.28filing
26 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$437K18,000 at $24.28filing
25 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$403K16,300 at $24.74filing
25 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$403K16,300 at $24.74filing
24 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$103K4,000 at $25.75filing
24 Aug 2026filed 26 Aug 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Sold$103K4,000 at $25.75filing
10 Jun 2026filed 12 Jun 2026ATEC Alphatec HoldingsMedical DevicesSEC FORM 4 Code A—32,012 at $0.00filing
10 Jun 2026filed 12 Jun 2026ATEC Alphatec HoldingsMedical DevicesSEC FORM 4 Code A—32,012 at $0.00filing
9 Jun 2026filed 10 Jun 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Code A—11,436 at $0.00filing
9 Jun 2026filed 10 Jun 2026KIDS OrthoPediatricsMedical DevicesSEC FORM 4 Code A—11,436 at $0.00filing
16 Dec 2025filed 18 Dec 2025ATEC Alphatec HoldingsMedical DevicesSEC FORM 4 Sold$4.9M250,000 at $19.66filing
9 Dec 2025filed 10 Dec 2025ATEC Alphatec HoldingsMedical DevicesSEC FORM 4 Sold$606K28,834 at $21.03filing

Sectors

Health Care26

Buys in green, sells in red, by the company’s sector.

Related people

Thomas Andrew CarlsEVP, Data & Imaging Solutions · EVP, Data & Imaging Solutions at Alphatec Holdings, filing Form 4 there in the last year
Squadron Capital LLC10% owner · 10% owner at Orthopediatrics, filing Form 4 there in the last year
Jennifer N. Pritzker10% owner · 10% owner at Orthopediatrics, filing Form 4 there in the last year
Patrick MilesCEO · CEO at Alphatec Holdings, filing Form 4 there in the last year
Tyson Eliot MarshallGeneral Counsel & Corp. Sec. · General Counsel & Corp. Sec. at Alphatec Holdings, filing Form 4 there in the last year