Sebastian Buerba - 03 Sep 2021 Form 4 Insider Report for STAMPS.COM INC

Role: Chief Marketing Officer
Signature: /s/ David M. Zlotchew, Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 03 Sep 2021
Net transactions value: -$737,261
Form type: 4
Filing time: 08 Sep 2021, 19:23:34 UTC
Previous filing: 05 Aug 2021
Next filing: 07 Oct 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STMP	Common Stock	Options Exercise	$87,985	+2,511		$35.04	2,511	03 Sep 2021	Direct
transaction	STMP	Common Stock	Sale	$825,246	-2,511	-100%	$328.65	0	03 Sep 2021	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	STMP	Stock Option	Options Exercise	$0	-2,511	-10%	$0.000000	22,635	03 Sep 2021	Common Stock	2,511	$35.04	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Sale was executed pursuant to a prearranged trading plan compliant with Rule 10b5-1.
F2	This sales price reflects a weighted average of multiple prices ranging from $328.52 to $328.86. Full information regarding the number of shares sold at each price will be provided to the Securities and Exchange Commission staff, the issuer or any security holder, upon request.