BUERBA SEBASTIAN (Chief Marketing Officer) sold 4.46K shares of STAMPS.COM INC on the open market

Open‑market sale worth $1.07M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 17 sales

BUERBA SEBASTIAN

Filed: 9/3/2020ACC: 0001082923-20-000120

InsiderBUERBA SEBASTIANCIK 1713603

→

IssuerSTAMPS.COM INCCIK 1082923

Officer· Chief Marketing Officer

Since Jul 2018

-4.46K

Net shares

Net seller

$1.07M

Total sold

Open market trades

0B · 17S

Total transactions

4.46K acquired · 8.92K disposed

Non-Derivative Transactions19

Common Stock

Direct

M · Option Exercise

+1.95K

Price / share

$112.00

Trade value

$218.06K

% of position

New position

9/1/2020

0.00→1.95K

Common Stock

Direct

S · Sale

−314.00

Price / share

$243.39

Trade value

$76.43K

% of position

16.1%

9/1/2020

1.95K→1.63K

Common Stock

Direct

S · Sale

−291.00

Price / share

$244.38

Trade value

$71.12K

% of position

17.8%

9/1/2020

1.63K→1.34K

Common Stock

Direct

S · Sale

−504.00

Price / share

$245.88

Trade value

$123.92K

% of position

37.6%

9/1/2020

1.34K→838.00

Common Stock

Direct

S · Sale

−482.00

Price / share

$247.29

Trade value

$119.19K

% of position

57.5%

9/1/2020

838.00→356.00

Common Stock

Direct

S · Sale

−276.00

Price / share

$248.52

Trade value

$68.59K

% of position

77.5%

9/1/2020

356.00→80.00

Common Stock

Direct

S · Sale

−80.00

Price / share

$249.57

Trade value

$19.97K

% of position

New position

9/1/2020

80.00→0.00

Common Stock

Direct

M · Option Exercise

+2.51K

Price / share

$35.04

Trade value

$87.99K

% of position

New position

9/3/2020

0.00→2.51K

Common Stock

Direct

S · Sale

−427.00

Price / share

$232.11

Trade value

$99.11K

% of position

17.0%

9/3/2020

2.51K→2.08K

Common Stock

Direct

S · Sale

−251.00

Price / share

$232.86

Trade value

$58.45K

% of position

12.0%

9/3/2020

2.08K→1.83K

Common Stock

Direct

S · Sale

−279.00

Price / share

$234.29

Trade value

$65.37K

% of position

15.2%

9/3/2020

1.83K→1.55K

Common Stock

Direct

S · Sale

−295.00

Price / share

$235.56

Trade value

$69.49K

% of position

19.0%

9/3/2020

1.55K→1.26K

Common Stock

Direct

S · Sale

−217.00

Price / share

$237.17

Trade value

$51.47K

% of position

17.2%

9/3/2020

1.26K→1.04K

Common Stock

Direct

S · Sale

−109.00

Price / share

$237.70

Trade value

$25.91K

% of position

10.5%

9/3/2020

1.04K→933.00

Common Stock

Direct

S · Sale

−163.00

Price / share

$238.98

Trade value

$38.95K

% of position

17.5%

9/3/2020

933.00→770.00

Common Stock

Direct

S · Sale

−234.00

Price / share

$240.36

Trade value

$56.24K

% of position

30.4%

9/3/2020

770.00→536.00

Common Stock

Direct

S · Sale

−173.00

Price / share

$241.42

Trade value

$41.76K

% of position

32.3%

9/3/2020

536.00→363.00

Common Stock

Direct

S · Sale

−267.00

Price / share

$242.28

Trade value

$64.69K

% of position

73.6%

9/3/2020

363.00→96.00

Common Stock

Direct

S · Sale

−96.00

Price / share

$243.75

Trade value

$23.40K

% of position

New position

9/3/2020

96.00→0.00

Total

Net shares

+0.00

Net value

-$768.01K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/1/2020	M · Option Exercise	+1.95K	$112.00	$218.06K	New position	0.00	1.95K
Common Stock Direct	9/1/2020	S · Sale	−314.00	$243.39	$76.43K	16.1%	1.95K	1.63K
Common Stock Direct	9/1/2020	S · Sale	−291.00	$244.38	$71.12K	17.8%	1.63K	1.34K
Common Stock Direct	9/1/2020	S · Sale	−504.00	$245.88	$123.92K	37.6%	1.34K	838.00
Common Stock Direct	9/1/2020	S · Sale	−482.00	$247.29	$119.19K	57.5%	838.00	356.00
Common Stock Direct	9/1/2020	S · Sale	−276.00	$248.52	$68.59K	77.5%	356.00	80.00
Common Stock Direct	9/1/2020	S · Sale	−80.00	$249.57	$19.97K	New position	80.00	0.00
Common Stock Direct	9/3/2020	M · Option Exercise	+2.51K	$35.04	$87.99K	New position	0.00	2.51K
Common Stock Direct	9/3/2020	S · Sale	−427.00	$232.11	$99.11K	17.0%	2.51K	2.08K
Common Stock Direct	9/3/2020	S · Sale	−251.00	$232.86	$58.45K	12.0%	2.08K	1.83K
Common Stock Direct	9/3/2020	S · Sale	−279.00	$234.29	$65.37K	15.2%	1.83K	1.55K
Common Stock Direct	9/3/2020	S · Sale	−295.00	$235.56	$69.49K	19.0%	1.55K	1.26K
Common Stock Direct	9/3/2020	S · Sale	−217.00	$237.17	$51.47K	17.2%	1.26K	1.04K
Common Stock Direct	9/3/2020	S · Sale	−109.00	$237.70	$25.91K	10.5%	1.04K	933.00
Common Stock Direct	9/3/2020	S · Sale	−163.00	$238.98	$38.95K	17.5%	933.00	770.00
Common Stock Direct	9/3/2020	S · Sale	−234.00	$240.36	$56.24K	30.4%	770.00	536.00
Common Stock Direct	9/3/2020	S · Sale	−173.00	$241.42	$41.76K	32.3%	536.00	363.00
Common Stock Direct	9/3/2020	S · Sale	−267.00	$242.28	$64.69K	73.6%	363.00	96.00
Common Stock Direct	9/3/2020	S · Sale	−96.00	$243.75	$23.40K	New position	96.00	0.00
Total			+0.00		-$768.01K

Derivative Transactions2

Stock Option (Common Stock)

Direct

M · Option Exercise

Converts to

Common Stock

1.95K shares

−1.95K

Strike price

112.0

Held after

55.28K

Exercisable

—

9/1/2020

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

2.51K shares

−2.51K

Strike price

35.04

Held after

52.77K

Exercisable

—

9/3/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Common Stock) Direct	Common Stock1.95K shares	9/1/2020	M · Option Exercise	−1.95K	112.0	—	55.28K
Stock Option Direct	Common Stock2.51K shares	9/3/2020	M · Option Exercise	−2.51K	35.04	—	52.77K