Insider · CIK 0001727936

Matthew A. Lipson

Files at: STMP. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $8.3M · 5net −$8.3M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jan 31, 2019 JForm 4 →	Feb 4, 8:16 pm EST	STAMPS.COM INCSTMP	66	$158.17	$10,439	774	—	plan?
Jul 31, 2018 JForm 4 →	Aug 2, 5:42 pm EDT	STAMPS.COM INCSTMP	58	$175.36	$10,171	708	—	plan?
May 15, 2018 SForm 4 →	May 17, 4:40 pm EDT	STAMPS.COM INCSTMP	1,281	$243.80	$312,308	650	−66.3%	plan?
Apr 16, 2018 SForm 4 →	Apr 18, 4:49 pm EDT	STAMPS.COM INCSTMP	9,174	$204.43	$1,875,462	1,931	−82.6%	plan?
Apr 16, 2018 MForm 4 →	Apr 18, 4:49 pm EDT	STAMPS.COM INCSTMP	9,174	$46.49	$426,529	11,105	—	plan?
Mar 15, 2018 SForm 4 →	Mar 19, 4:52 pm EDT	STAMPS.COM INCSTMP	10,000	$199.34	$1,993,419	1,931	−83.8%	plan?
Mar 15, 2018 MForm 4 →	Mar 19, 4:52 pm EDT	STAMPS.COM INCSTMP	10,000	$58.25	$582,500	11,931	—	plan?
Feb 15, 2018 SForm 4 →	Feb 20, 5:38 pm EST	STAMPS.COM INCSTMP	10,000	$187.37	$1,873,735	1,931	−83.8%	plan?
Feb 15, 2018 MForm 4 →	Feb 20, 5:38 pm EST	STAMPS.COM INCSTMP	10,000	$58.25	$582,500	11,931	—	plan?
Jan 16, 2018 SForm 4 →	Jan 18, 5:10 pm EST	STAMPS.COM INCSTMP	11,826	$189.40	$2,239,822	1,931	−86.0%	plan?
Jan 16, 2018 MForm 4 →	Jan 18, 5:10 pm EST	STAMPS.COM INCSTMP	11,826	$32.41	$383,281	13,757	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Apr 16, 2018 MForm 4 →	Apr 18, 4:49 pm EDT	STAMPS.COM INCSTMP	9,174	$46.49	$426,529	70,000	—
Mar 15, 2018 MForm 4 →	Mar 19, 4:52 pm EDT	STAMPS.COM INCSTMP	10,000	—	—	79,174	—
Feb 15, 2018 MForm 4 →	Feb 20, 5:38 pm EST	STAMPS.COM INCSTMP	10,000	—	—	89,174	—
Jan 16, 2018 MForm 4 →	Jan 18, 5:10 pm EST	STAMPS.COM INCSTMP	11,826	—	—	99,174	—