Bartholdson John A.

Director at Obagi Medical Products, Inc. · on record since Dec 19, 2006
Chairman at LINCOLN EDUCATIONAL SERVICES CORP · on record since Mar 17, 2025
Director at LINCOLN EDUCATIONAL SERVICES CORP · on record since May 8, 2026
10% owner at Orthofix Medical Inc. · on record since May 29, 2026
Director at Bioventus Inc. · on record since Jun 4, 2026
10% owner at Bioventus Inc. · on record since Jun 4, 2026
10% owner at LINCOLN EDUCATIONAL SERVICES CORP · on record since Nov 22, 2019

Insider trading activity of Bartholdson John A.

Transactions on record: 47; since Jun 11, 2007

Open-market buys: 11; $6.6M

Open-market sells: 3; $1.5M

Companies traded: 3; last filing Jun 4, 2026

Figures computed from official regulatory filings — .

Companies where Bartholdson John A. has traded

Bioventus Inc.28 tx · $6.6M · Jun 4, 2026
LINCOLN EDUCATIONAL SERVICES CORP10 tx · $2.1M · May 8, 2026
Obagi Medical Products, Inc.9 tx · $26.9M · Apr 29, 2013

Track record of Bartholdson John A.

Statistical track record

Free account

Open-market buys: 11

Last buy: Aug 19, 2024

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of Bartholdson John A.

Co-insiders of Bartholdson John A.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Bioventus Inc.Listing on record	Jun 4, 2026	ExerciseD (derivative)	-32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 4, 2026	Exercise	32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 4, 2026	AwardD (derivative)	25,146	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 8, 2026	Award	3,515	44.10 USD	$155K	Unusual size	SEC
Bioventus Inc.Listing on record	Jun 10, 2025	ExerciseD (derivative)	-7,575	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2025	Exercise	7,575	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	Exercise	26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	ExerciseD (derivative)	-26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	AwardD (derivative)	32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 9, 2025	Award	5,628	18.66 USD	$105K	Unusual size	SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	Mar 17, 2025	Sell	-36,350	14.82 USD	$538.7K		SEC
Bioventus Inc.Listing on record	Aug 20, 2024	Buy	25,500	8.55 USD	$218K	conv 17	SEC
Bioventus Inc.Listing on record	Aug 20, 2024	Buy	80,000	8.55 USD	$684K	conv 26First in 12mo	SEC
Bioventus Inc.Listing on record	Jun 13, 2024	AwardD (derivative)	26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 11, 2024	ExerciseD (derivative)	-30,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 11, 2024	Exercise	30,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2024	Exercise	7,576	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2024	ExerciseD (derivative)	-7,576	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 6, 2024	Award	9,350	11.23 USD	$105K	Unusual size	SEC
Bioventus Inc.Listing on record	Aug 15, 2023	Buy	14,985	4.79 USD	$71.8K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Aug 15, 2023	Buy	50,037	4.60 USD	$230.2K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Aug 14, 2023	Buy	111,848	4.47 USD	$500K	conv 32Cluster	SEC
Bioventus Inc.Listing on record	Jun 16, 2023	Buy	181,946	3.24 USD	$589.5K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Jun 16, 2023	Buy	110,180	3.61 USD	$397.7K	conv 30Cluster	SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	Jun 14, 2023	Sell	-108,839	6.50 USD	$707.5K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Bioventus Inc.Listing on record	Jun 4, 2026	ExerciseD (derivative)	-32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 4, 2026	Exercise	32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 4, 2026	AwardD (derivative)	25,146	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 8, 2026	Award	3,515	44.10 USD	$155K	Unusual size	SEC
Bioventus Inc.Listing on record	Jun 10, 2025	ExerciseD (derivative)	-7,575	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2025	Exercise	7,575	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	Exercise	26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	ExerciseD (derivative)	-26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 5, 2025	AwardD (derivative)	32,282	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 9, 2025	Award	5,628	18.66 USD	$105K	Unusual size	SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	Mar 17, 2025	Sell	-36,350	14.82 USD	$538.7K		SEC
Bioventus Inc.Listing on record	Aug 20, 2024	Buy	25,500	8.55 USD	$218K	conv 17	SEC
Bioventus Inc.Listing on record	Aug 20, 2024	Buy	80,000	8.55 USD	$684K	conv 26First in 12mo	SEC
Bioventus Inc.Listing on record	Jun 13, 2024	AwardD (derivative)	26,493	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 11, 2024	ExerciseD (derivative)	-30,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 11, 2024	Exercise	30,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2024	Exercise	7,576	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Bioventus Inc.Listing on record	Jun 10, 2024	ExerciseD (derivative)	-7,576	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	May 6, 2024	Award	9,350	11.23 USD	$105K	Unusual size	SEC
Bioventus Inc.Listing on record	Aug 15, 2023	Buy	14,985	4.79 USD	$71.8K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Aug 15, 2023	Buy	50,037	4.60 USD	$230.2K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Aug 14, 2023	Buy	111,848	4.47 USD	$500K	conv 32Cluster	SEC
Bioventus Inc.Listing on record	Jun 16, 2023	Buy	181,946	3.24 USD	$589.5K	conv 30Cluster	SEC
Bioventus Inc.Listing on record	Jun 16, 2023	Buy	110,180	3.61 USD	$397.7K	conv 30Cluster	SEC
LINCOLN EDUCATIONAL SERVICES CORPListing on record	Jun 14, 2023	Sell	-108,839	6.50 USD	$707.5K		SEC