SCHULER EDUCATION FOUNDATION made both purchases and sales at BIOLASE, INC

Purchased 13.6% of their position (1.31M shares) and sold 62.4% of their position (9.16M shares) — review individual transaction dates and prices for directional context.

P · 1S · 10

SCHULER EDUCATION FOUNDATION

Filed: 5/26/2023ACC: 0000908834-23-000047

InsiderSCHULER EDUCATION FOUNDATIONCIK 1512977

→

IssuerBIOLASE, INCCIK 811240

10% Owner

Since Feb 2020

-361.29K

Net shares

Net seller

$4.14M

Total sold

Open market trades

1B · 10S

Total transactions

8.80M acquired · 9.16M disposed

Non-Derivative Transactions12

Common Stock

Direct

P · Purchase

+1.31M

Price / share

$0.61

Trade value

$797.84K

% of position

13.6%

2/11/2020

9.63M→10.94M

Common Stock

Direct

S · Sale

−1.85M

Price / share

$0.55

Trade value

$1.02M

% of position

16.9%

6/8/2020

10.94M→9.09M

Common Stock

Direct

S · Sale

−2.14M

Price / share

$0.54

Trade value

$1.15M

% of position

23.5%

6/9/2020

9.09M→6.95M

Common Stock

Direct

S · Sale

−1.73M

Price / share

$0.55

Trade value

$953.61K

% of position

24.9%

6/10/2020

6.95M→5.22M

Common Stock

Direct

C · Conversion

+3.75M

Price / share

$0.40

Trade value

$1.50M

% of position

71.8%

7/28/2020

5.22M→8.96M

Common Stock

Direct

S · Sale

−71.10K

Price / share

$0.30

Trade value

$21.33K

% of position

0.8%

11/24/2020

8.96M→8.89M

Common Stock

Direct

S · Sale

−203.06K

Price / share

$0.29

Trade value

$58.89K

% of position

2.3%

11/25/2020

8.89M→8.69M

Common Stock

Direct

S · Sale

−1.11M

Price / share

$0.30

Trade value

$334.50K

% of position

12.8%

11/30/2020

8.69M→7.57M

Common Stock

Direct

S · Sale

−1.20M

Price / share

$0.30

Trade value

$360K

% of position

15.8%

12/4/2020

7.57M→6.37M

Common Stock

Direct

S · Sale

−90.58K

Price / share

$0.28

Trade value

$25.36K

% of position

1.4%

12/16/2020

6.37M→6.28M

Common Stock

Direct

S · Sale

−572.67K

Price / share

$0.28

Trade value

$160.35K

% of position

9.1%

12/17/2020

6.28M→5.71M

Common Stock

Direct

S · Sale

−187.77K

Price / share

$0.28

Trade value

$52.58K

% of position

3.3%

12/18/2020

5.71M→5.52M

Total

Net shares

−4.11M

Net value

-$1.84M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/11/2020	P · Purchase	+1.31M	$0.61	$797.84K	13.6%	9.63M	10.94M
Common Stock Direct	6/8/2020	S · Sale	−1.85M	$0.55	$1.02M	16.9%	10.94M	9.09M
Common Stock Direct	6/9/2020	S · Sale	−2.14M	$0.54	$1.15M	23.5%	9.09M	6.95M
Common Stock Direct	6/10/2020	S · Sale	−1.73M	$0.55	$953.61K	24.9%	6.95M	5.22M
Common Stock Direct	7/28/2020	C · Conversion	+3.75M	$0.40	$1.50M	71.8%	5.22M	8.96M
Common Stock Direct	11/24/2020	S · Sale	−71.10K	$0.30	$21.33K	0.8%	8.96M	8.89M
Common Stock Direct	11/25/2020	S · Sale	−203.06K	$0.29	$58.89K	2.3%	8.89M	8.69M
Common Stock Direct	11/30/2020	S · Sale	−1.11M	$0.30	$334.50K	12.8%	8.69M	7.57M
Common Stock Direct	12/4/2020	S · Sale	−1.20M	$0.30	$360K	15.8%	7.57M	6.37M
Common Stock Direct	12/16/2020	S · Sale	−90.58K	$0.28	$25.36K	1.4%	6.37M	6.28M
Common Stock Direct	12/17/2020	S · Sale	−572.67K	$0.28	$160.35K	9.1%	6.28M	5.71M
Common Stock Direct	12/18/2020	S · Sale	−187.77K	$0.28	$52.58K	3.3%	5.71M	5.52M
Total			−4.11M		-$1.84M

Derivative Transactions3

Series F Convertible Preferred Stock

Direct

A · Award

Converts to

Common Stock

3.75M shares

+1.50K

Strike price

0.4

Held after

1.50K

Exercisable

—

7/22/2020

Warrants

Direct

A · Award

Converts to

Common Stock

3.75M shares

+3.75M

Strike price

0.4

Held after

3.75M

Exercisable

—

7/22/2020

Series F Convertible Preferred Stock

Direct

C · Conversion

Converts to

Common Stock

3.75M shares

−1.50K

Strike price

0.4

Held after

0.00

Exercisable

—

7/28/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Series F Convertible Preferred Stock Direct	Common Stock3.75M shares	7/22/2020	A · Award	+1.50K	0.4	—	1.50K
Warrants Direct	Common Stock3.75M shares	7/22/2020	A · Award	+3.75M	0.4	—	3.75M
Series F Convertible Preferred Stock Direct	Common Stock3.75M shares	7/28/2020	C · Conversion	−1.50K	0.4	—	0.00