Insider · CIK 0001610616

David Larson

Files at: AMS. On EDGAR ↗

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

Open-market buys & salesbuys $0 · 0sales $19k · 1net −$19k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jan 2, 2019 AForm 4 →	Jan 4, 5:20 pm EST	AMERICAN SHARED HOSPITAL SERVICESAMS	8,164	—	—	66,072	—	plan?
Jun 14, 2018 AForm 4 →	Jun 18, 8:17 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	500	—	—	57,908	—	plan?
Jan 2, 2018 AForm 4 →	Jan 4, 5:33 pm EST	AMERICAN SHARED HOSPITAL SERVICESAMS	7,844	—	—	66,508	—	plan?
Jun 27, 2017 AForm 4 →	Jun 29, 6:01 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	500	—	—	58,664	—	plan?
Mar 31, 2017 FMForm 4 →	Apr 3, 7:02 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	15,093	$2.92	$44,002	58,164	—	plan?
Jan 3, 2017 AForm 4 →	Jan 5, 1:06 pm EST	AMERICAN SHARED HOSPITAL SERVICESAMS	5,883	—	—	53,257	—	plan?
Jun 21, 2016 AForm 4 →	Jun 23, 2:58 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	500	—	—	47,374	—	plan?
Jan 4, 2016 AForm 4 →	Jan 6, 2:16 pm EST	AMERICAN SHARED HOSPITAL SERVICESAMS	10,582	—	—	46,874	—	plan?
Aug 27, 2015 SForm 4 →	Apr 25, 2017, 4:18 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	9,100	$2.08	$18,934	49,064	−15.6%	plan? late
Jun 16, 2015 AForm 4 →	Jun 17, 12:57 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	500	—	—	36,292	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 14, 2018 AForm 4 →	Jun 18, 8:17 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	2,000	—	—	2,000	—
Jun 27, 2017 AForm 4 →	Jun 29, 6:01 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	2,000	—	—	2,000	—
Mar 31, 2017 MForm 4 →	Apr 3, 7:02 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	10,000	—	—	0	—
Jun 21, 2016 AForm 4 →	Jun 23, 2:58 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	2,000	—	—	2,000	—
Jun 16, 2015 AForm 4 →	Jun 17, 12:57 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	2,000	—	—	2,000	—
Jan 2, 2015 AForm 4 →	Apr 17, 3:27 pm EDT	AMERICAN SHARED HOSPITAL SERVICESAMS	6,897	—	—	6,897	—	late
Dec 30, 2014 AForm 4 →	Jan 27, 2015, 4:51 pm EST	AMERICAN SHARED HOSPITAL SERVICESAMS	7,500	—	—	18,500	—	late