CASO CHARLES (See remarks) exercised options at CHEMBIO DIAGNOSTICS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises

CASO CHARLES

Filed: 5/1/2023ACC: 0001140361-23-022231

InsiderCASO CHARLESCIK 1923974

→

IssuerCHEMBIO DIAGNOSTICS, INC.CIK 1092662

Officer· See remarks

Since Apr 2022

-355.05K

Net shares

Net seller

$22.3K

Total sold

Open market trades

0B · 0S

Total transactions

41.32K acquired · 396.37K disposed

Non-Derivative Transactions7

Common Stock

Direct

M · Option Exercise

+4.10K

Price / share

—

Trade value

—

% of position

52.0%

6/1/2022

7.88K→11.99K

Common Stock

Direct

F · Tax Withholding

−1.44K

Price / share

$0.77

Trade value

$1.11K

% of position

12.0%

6/1/2022

11.99K→10.54K

Common Stock

Direct

M · Option Exercise

+29.33K

Price / share

—

Trade value

—

% of position

278.2%

3/11/2023

10.54K→39.88K

Common Stock

Direct

F · Tax Withholding

−10.31K

Price / share

$0.44

Trade value

$4.54K

% of position

25.9%

3/11/2023

39.88K→29.56K

Common Stock

Direct

M · Option Exercise

+7.88K

Price / share

—

Trade value

—

% of position

26.7%

3/15/2023

29.56K→37.45K

Common Stock

Direct

F · Tax Withholding

−2.77K

Price / share

$0.39

Trade value

$1.08K

% of position

7.4%

3/15/2023

37.45K→34.67K

Common Stock

Direct

U · U

−34.67K

Price / share

$0.45

Trade value

$15.60K

% of position

New position

4/26/2023

34.67K→0.00

Total

Net shares

−7.88K

Net value

-$22.33K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/1/2022	M · Option Exercise	+4.10K	—	—	52.0%	7.88K	11.99K
Common Stock Direct	6/1/2022	F · Tax Withholding	−1.44K	$0.77	$1.11K	12.0%	11.99K	10.54K
Common Stock Direct	3/11/2023	M · Option Exercise	+29.33K	—	—	278.2%	10.54K	39.88K
Common Stock Direct	3/11/2023	F · Tax Withholding	−10.31K	$0.44	$4.54K	25.9%	39.88K	29.56K
Common Stock Direct	3/15/2023	M · Option Exercise	+7.88K	—	—	26.7%	29.56K	37.45K
Common Stock Direct	3/15/2023	F · Tax Withholding	−2.77K	$0.39	$1.08K	7.4%	37.45K	34.67K
Common Stock Direct	4/26/2023	U · U	−34.67K	$0.45	$15.60K	New position	34.67K	0.00
Total			−7.88K		-$22.33K

Derivative Transactions6

Restricted stock units

Direct

M · Option Exercise

Converts to

Common stock

4.10K shares

−4.10K

Strike price

Held after

4.10K

Exercisable

—

6/1/2022

Restricted stock units

Direct

M · Option Exercise

Converts to

Common stock

29.33K shares

−29.33K

Strike price

Held after

58.67K

Exercisable

—

3/11/2023

Restricted stock units

Direct

M · Option Exercise

Converts to

Common stock

7.88K shares

−7.88K

Strike price

Held after

7.89K

Exercisable

—

3/15/2023

Restricted stock units

Direct

D · Disposition

Converts to

Common stock

70.66K shares

−70.66K

Strike price

Held after

0.00

Exercisable

—

4/27/2023

Incentive stock options

Direct

D · Disposition

Converts to

Common stock

65.48K shares

−65.48K

Strike price

4.65

Held after

0.00

Exercisable

—

4/27/2023

Nonqualified stock options

Direct

D · Disposition

Converts to

Common stock

169.71K shares

−169.71K

Strike price

1.25

Held after

0.00

Exercisable

—

4/27/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted stock units Direct	Common stock4.10K shares	6/1/2022	M · Option Exercise	−4.10K		—	4.10K
Restricted stock units Direct	Common stock29.33K shares	3/11/2023	M · Option Exercise	−29.33K		—	58.67K
Restricted stock units Direct	Common stock7.88K shares	3/15/2023	M · Option Exercise	−7.88K		—	7.89K
Restricted stock units Direct	Common stock70.66K shares	4/27/2023	D · Disposition	−70.66K		—	0.00
Incentive stock options Direct	Common stock65.48K shares	4/27/2023	D · Disposition	−65.48K	4.65	—	0.00
Nonqualified stock options Direct	Common stock169.71K shares	4/27/2023	D · Disposition	−169.71K	1.25	—	0.00