Insider · CIK 0001505398

Michael Tropeano

Files at: OSIS, ASEI. On EDGAR ↗

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

Open-market buys & salesbuys $0 · 0sales $214k · 1net −$214k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Aug 24, 2026 AFForm 4 →	Aug 26, 12:22 pm EDT	OSI SYSTEMS INCOSIS	386	$206.73	$79,798	5,003	—
Jul 31, 2026 AForm 4 →	Aug 4, 4:30 pm EDT	OSI SYSTEMS INCOSIS	1,694	$221.39	$375,035	5,281	—
Jun 30, 2026 AForm 4 →	Jul 1, 4:00 pm EDT	OSI SYSTEMS INCOSIS	75	$140.61	$10,546	3,587	—
Sep 9, 2016 DForm 4 →	Sep 12, 7:46 am EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	5,430	$37.00	$200,910	0	—	plan?
May 26, 2016 AForm 4 →	May 26, 4:15 pm EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	664	—	—	6,076	—	plan?
May 19, 2016 AForm 4 →	May 23, 4:28 pm EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	302	—	—	5,412	—	plan?
Jul 31, 2015 AForm 4 →	Aug 4, 4:13 pm EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	3,558	—	—	5,110	—	plan?
May 15, 2015 AForm 4 →	May 18, 5:06 pm EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	302	—	—	1,552	—	plan?
Feb 10, 2015 SForm 4 →	Feb 11, 4:17 pm EST	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	4,000	$53.55	$214,216	1,250	−76.2%	plan?
Feb 10, 2015 MForm 4 →	Feb 11, 4:17 pm EST	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	4,000	$46.68	$186,720	5,250	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Sep 9, 2016 DForm 4 →	Sep 12, 7:46 am EDT	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	9,849	—	—	0	—
Feb 10, 2015 MForm 4 →	Feb 11, 4:17 pm EST	AMERICAN SCIENCE & ENGINEERING, INC.ASEI	4,000	—	—	0	—