BUERBA SEBASTIAN (Chief Marketing Officer) sold 2.51K shares of STAMPS.COM INC on the open market

Open‑market sale worth $570.7K. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 10 sales

BUERBA SEBASTIAN

Filed: 11/5/2020ACC: 0001082923-20-000152

InsiderBUERBA SEBASTIANCIK 1713603

→

IssuerSTAMPS.COM INCCIK 1082923

Officer· Chief Marketing Officer

Since Jul 2018

-2.51K

Net shares

Net seller

$570.7K

Total sold

Open market trades

0B · 10S

Total transactions

2.51K acquired · 5.02K disposed

Non-Derivative Transactions11

Common Stock

Direct

M · Option Exercise

+2.51K

Price / share

$35.04

Trade value

$87.99K

% of position

New position

11/3/2020

0.00→2.51K

Common Stock

Direct

S · Sale

−1.00

Price / share

$219.36

Trade value

$219.36

% of position

0.0%

11/3/2020

2.51K→2.51K

Common Stock

Direct

S · Sale

−176.00

Price / share

$220.65

Trade value

$38.83K

% of position

7.0%

11/3/2020

2.51K→2.33K

Common Stock

Direct

S · Sale

−1.00

Price / share

$222.66

Trade value

$222.66

% of position

0.0%

11/3/2020

2.33K→2.33K

Common Stock

Direct

S · Sale

−214.00

Price / share

$224.06

Trade value

$47.95K

% of position

9.2%

11/3/2020

2.33K→2.12K

Common Stock

Direct

S · Sale

−211.00

Price / share

$225.66

Trade value

$47.61K

% of position

10.0%

11/3/2020

2.12K→1.91K

Common Stock

Direct

S · Sale

−622.00

Price / share

$226.96

Trade value

$141.17K

% of position

32.6%

11/3/2020

1.91K→1.29K

Common Stock

Direct

S · Sale

−282.00

Price / share

$227.89

Trade value

$64.27K

% of position

21.9%

11/3/2020

1.29K→1K

Common Stock

Direct

S · Sale

−528.00

Price / share

$229.11

Trade value

$120.97K

% of position

52.6%

11/3/2020

1K→476.00

Common Stock

Direct

S · Sale

−391.00

Price / share

$229.87

Trade value

$89.88K

% of position

82.1%

11/3/2020

476.00→85.00

Common Stock

Direct

S · Sale

−85.00

Price / share

$230.86

Trade value

$19.62K

% of position

New position

11/3/2020

85.00→0.00

Total

Net shares

+0.00

Net value

-$482.76K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	11/3/2020	M · Option Exercise	+2.51K	$35.04	$87.99K	New position	0.00	2.51K
Common Stock Direct	11/3/2020	S · Sale	−1.00	$219.36	$219.36	0.0%	2.51K	2.51K
Common Stock Direct	11/3/2020	S · Sale	−176.00	$220.65	$38.83K	7.0%	2.51K	2.33K
Common Stock Direct	11/3/2020	S · Sale	−1.00	$222.66	$222.66	0.0%	2.33K	2.33K
Common Stock Direct	11/3/2020	S · Sale	−214.00	$224.06	$47.95K	9.2%	2.33K	2.12K
Common Stock Direct	11/3/2020	S · Sale	−211.00	$225.66	$47.61K	10.0%	2.12K	1.91K
Common Stock Direct	11/3/2020	S · Sale	−622.00	$226.96	$141.17K	32.6%	1.91K	1.29K
Common Stock Direct	11/3/2020	S · Sale	−282.00	$227.89	$64.27K	21.9%	1.29K	1K
Common Stock Direct	11/3/2020	S · Sale	−528.00	$229.11	$120.97K	52.6%	1K	476.00
Common Stock Direct	11/3/2020	S · Sale	−391.00	$229.87	$89.88K	82.1%	476.00	85.00
Common Stock Direct	11/3/2020	S · Sale	−85.00	$230.86	$19.62K	New position	85.00	0.00
Total			+0.00		-$482.76K

Derivative Transactions1

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

2.51K shares

−2.51K

Strike price

35.04

Held after

47.75K

Exercisable

—

11/3/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock2.51K shares	11/3/2020	M · Option Exercise	−2.51K	35.04	—	47.75K