LIPSON MATTHEW A. (Chief Legal Officer/ Secretary) sold 95.2% of their position (25K shares) of STAMPS.COM INC on the open market

Open‑market sale worth $5.44M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 17 sales

LIPSON MATTHEW A.

Filed: 9/17/2020ACC: 0001082923-20-000127

InsiderLIPSON MATTHEW A.CIK 1727936

→

IssuerSTAMPS.COM INCCIK 1082923

Officer· Chief Legal Officer/ Secretary

Since Jul 2018

-25K

Net shares

Net seller

$5.44M

Total sold

Open market trades

0B · 17S

Total transactions

25K acquired · 50K disposed

Non-Derivative Transactions19

Common Stock

Direct

M · Option Exercise

+9.71K

Price / share

$35.04

Trade value

$340.34K

% of position

770.3%

9/15/2020

1.26K→10.97K

Common Stock

Direct

S · Sale

−6.11K

Price / share

$215.12

Trade value

$1.32M

% of position

55.7%

9/15/2020

10.97K→4.86K

Common Stock

Direct

S · Sale

−1.60K

Price / share

$216.59

Trade value

$346.54K

% of position

32.9%

9/15/2020

4.86K→3.26K

Common Stock

Direct

S · Sale

−1.10K

Price / share

$217.74

Trade value

$239.51K

% of position

33.7%

9/15/2020

3.26K→2.16K

Common Stock

Direct

S · Sale

−700.00

Price / share

$218.70

Trade value

$153.09K

% of position

32.4%

9/15/2020

2.16K→1.46K

Common Stock

Direct

S · Sale

−200.00

Price / share

$219.67

Trade value

$43.93K

% of position

13.7%

9/15/2020

1.46K→1.26K

Common Stock

Direct

M · Option Exercise

+15.29K

Price / share

$35.04

Trade value

$535.66K

% of position

1212.3%

9/16/2020

1.26K→16.55K

Common Stock

Direct

S · Sale

−2.88K

Price / share

$215.26

Trade value

$619.53K

% of position

17.4%

9/16/2020

16.55K→13.67K

Common Stock

Direct

S · Sale

−1.83K

Price / share

$216.44

Trade value

$395.87K

% of position

13.4%

9/16/2020

13.67K→11.84K

Common Stock

Direct

S · Sale

−2.54K

Price / share

$217.68

Trade value

$553.55K

% of position

21.5%

9/16/2020

11.84K→9.30K

Common Stock

Direct

S · Sale

−2.88K

Price / share

$218.57

Trade value

$628.81K

% of position

30.9%

9/16/2020

9.30K→6.42K

Common Stock

Direct

S · Sale

−2.58K

Price / share

$219.71

Trade value

$567.08K

% of position

40.2%

9/16/2020

6.42K→3.84K

Common Stock

Direct

S · Sale

−897.00

Price / share

$220.45

Trade value

$197.75K

% of position

23.4%

9/16/2020

3.84K→2.94K

Common Stock

Direct

S · Sale

−175.00

Price / share

$221.67

Trade value

$38.79K

% of position

5.9%

9/16/2020

2.94K→2.77K

Common Stock

Direct

S · Sale

−535.00

Price / share

$223.23

Trade value

$119.43K

% of position

19.3%

9/16/2020

2.77K→2.23K

Common Stock

Direct

S · Sale

−523.00

Price / share

$224.27

Trade value

$117.29K

% of position

23.4%

9/16/2020

2.23K→1.71K

Common Stock

Direct

S · Sale

−102.00

Price / share

$224.87

Trade value

$22.94K

% of position

6.0%

9/16/2020

1.71K→1.61K

Common Stock

Direct

S · Sale

−289.00

Price / share

$226.91

Trade value

$65.58K

% of position

18.0%

9/16/2020

1.61K→1.32K

Common Stock

Direct

S · Sale

−58.00

Price / share

$228.05

Trade value

$13.23K

% of position

4.4%

9/16/2020

1.32K→1.26K

Total

Net shares

+0.00

Net value

-$4.56M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/15/2020	M · Option Exercise	+9.71K	$35.04	$340.34K	770.3%	1.26K	10.97K
Common Stock Direct	9/15/2020	S · Sale	−6.11K	$215.12	$1.32M	55.7%	10.97K	4.86K
Common Stock Direct	9/15/2020	S · Sale	−1.60K	$216.59	$346.54K	32.9%	4.86K	3.26K
Common Stock Direct	9/15/2020	S · Sale	−1.10K	$217.74	$239.51K	33.7%	3.26K	2.16K
Common Stock Direct	9/15/2020	S · Sale	−700.00	$218.70	$153.09K	32.4%	2.16K	1.46K
Common Stock Direct	9/15/2020	S · Sale	−200.00	$219.67	$43.93K	13.7%	1.46K	1.26K
Common Stock Direct	9/16/2020	M · Option Exercise	+15.29K	$35.04	$535.66K	1212.3%	1.26K	16.55K
Common Stock Direct	9/16/2020	S · Sale	−2.88K	$215.26	$619.53K	17.4%	16.55K	13.67K
Common Stock Direct	9/16/2020	S · Sale	−1.83K	$216.44	$395.87K	13.4%	13.67K	11.84K
Common Stock Direct	9/16/2020	S · Sale	−2.54K	$217.68	$553.55K	21.5%	11.84K	9.30K
Common Stock Direct	9/16/2020	S · Sale	−2.88K	$218.57	$628.81K	30.9%	9.30K	6.42K
Common Stock Direct	9/16/2020	S · Sale	−2.58K	$219.71	$567.08K	40.2%	6.42K	3.84K
Common Stock Direct	9/16/2020	S · Sale	−897.00	$220.45	$197.75K	23.4%	3.84K	2.94K
Common Stock Direct	9/16/2020	S · Sale	−175.00	$221.67	$38.79K	5.9%	2.94K	2.77K
Common Stock Direct	9/16/2020	S · Sale	−535.00	$223.23	$119.43K	19.3%	2.77K	2.23K
Common Stock Direct	9/16/2020	S · Sale	−523.00	$224.27	$117.29K	23.4%	2.23K	1.71K
Common Stock Direct	9/16/2020	S · Sale	−102.00	$224.87	$22.94K	6.0%	1.71K	1.61K
Common Stock Direct	9/16/2020	S · Sale	−289.00	$226.91	$65.58K	18.0%	1.61K	1.32K
Common Stock Direct	9/16/2020	S · Sale	−58.00	$228.05	$13.23K	4.4%	1.32K	1.26K
Total			+0.00		-$4.56M

Derivative Transactions2

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

9.71K shares

−9.71K

Strike price

35.04

Held after

135.29K

Exercisable

—

9/15/2020

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

15.29K shares

−15.29K

Strike price

35.04

Held after

120K

Exercisable

—

9/16/2020

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock9.71K shares	9/15/2020	M · Option Exercise	−9.71K	35.04	—	135.29K
Stock Option Direct	Common Stock15.29K shares	9/16/2020	M · Option Exercise	−15.29K	35.04	—	120K