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Who

John A. Bartholdson

Director and 10% owner

Company insider

Files Form 4 as: 10% owner, Orthofix Medical; Director and 10% owner, Bioventus; Chairman, Lincoln Educational Services; Director, Obagi Medical Products.

In numbers

Trades disclosed
53
Buys
13
Sells
3
Bought
$9.3M
Sold
$1.5M
Companies
4
Companies where not an officer
3
First trade
7 Jun 2007
Last trade
21 Sep 2026
Last filed
23 Sep 2026

Companies traded

Where they are an officer
LINC Lincoln Educational ServicesDirector, Officer, 10% owner · Education Services · last 7 May 20260 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
OFIX Orthofix Medical10% owner · Medical Devices · last 21 Sep 20262 buys · 0 sells
BVS BioventusDirector, 10% owner · Medical Devices · last 3 Jun 202611 buys · 0 sells
Obagi Medical ProductsDirector · last 25 Apr 20130 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
102Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 Sep 2026filed 23 Sep 2026OFIX Orthofix MedicalMedical DevicesSEC FORM 4 Bought$1.7M190,000 at $8.86filing
18 Sep 2026filed 23 Sep 2026OFIX Orthofix MedicalMedical DevicesSEC FORM 4 Bought$1.0M120,000 at $8.74filing
3 Jun 2026filed 4 Jun 2026BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code A—25,146 at $0.00filing
3 Jun 2026filed 4 Jun 2026BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code A—25,146 at $0.00filing
2 Jun 2026filed 4 Jun 2026BVS BioventusMedical DevicesSEC FORM 4 Code M—32,282 at $0.00filing
2 Jun 2026filed 4 Jun 2026BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code M—32,282 at $0.00filing
2 Jun 2026filed 4 Jun 2026BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code M—32,282 at $0.00filing
2 Jun 2026filed 4 Jun 2026BVS BioventusMedical DevicesSEC FORM 4 Code M—32,282 at $0.00filing
7 May 2026filed 8 May 2026LINC Lincoln Educational ServicesEducation ServicesSEC FORM 4 Code A$155K3,515 at $44.10filing
7 May 2026filed 8 May 2026LINC Lincoln Educational ServicesEducation ServicesSEC FORM 4 Code A$155K3,515 at $44.10filing
6 Jun 2025filed 10 Jun 2025BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code M—7,575 at $0.00filing
6 Jun 2025filed 10 Jun 2025BVS BioventusMedical DevicesSEC FORM 4 Code M—7,575 at $0.00filing
3 Jun 2025filed 5 Jun 2025BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code A—32,282 at $0.00filing
2 Jun 2025filed 5 Jun 2025BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code M—26,493 at $0.00filing
2 Jun 2025filed 5 Jun 2025BVS BioventusMedical DevicesSEC FORM 4 Code M—26,493 at $0.00filing
7 May 2025filed 9 May 2025LINC Lincoln Educational ServicesEducation ServicesSEC FORM 4 Code A$105K5,628 at $18.66filing
14 Mar 2025filed 17 Mar 2025LINC Lincoln Educational ServicesEducation ServicesSEC FORM 4 Sold$539K36,350 at $14.82filing
19 Aug 2024filed 20 Aug 2024BVS BioventusMedical DevicesSEC FORM 4 Bought$218K25,500 at $8.55filing
16 Aug 2024filed 20 Aug 2024BVS BioventusMedical DevicesSEC FORM 4 Bought$684K80,000 at $8.55filing
11 Jun 2024filed 13 Jun 2024BVS Bioventusoption or derivative · Medical DevicesSEC FORM 4 Code A—26,493 at $0.00filing

News

SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Shareholders of an Investigation Concerning Possible Breaches of Fiduciary Duties by Certain Officers and Directors of Orthofix Medical Inc. (NASDAQ: OFIX)OFIX · prnewswire.com · 9 Oct 2026

0 headlines in the last 90 days name John A. Bartholdson; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care13
Consumer Discretionary3

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

Related people

Juniper Investment Company, LLC10% owner · Other at Lincoln Educational Services, filing Form 4 there in the last year
Alexandra M. LusterSVP and General Counsel · SVP and General Counsel at Lincoln Educational Services, filing Form 4 there in the last year
Kevin M. CarneyDirector · Director at Lincoln Educational Services, filing Form 4 there in the last year
Felecia J. PryorDirector · Director at Lincoln Educational Services, filing Form 4 there in the last year
James J. Burke Jr.Director · Director at Lincoln Educational Services, filing Form 4 there in the last year
Patrick FisherPresident, Global Limb Recon · Also traded OFIX in the last 90 days