Rothberg Jonathan M

Director, 10% Owner | Interim CEO

3 companies

Strong

Trades Analyzed

12M Win Rate

77.8%

Avg 3M Return

-1.1%

Avg 12M Return

+34.3%

Rothberg Jonathan M is a Director, 10% Owner at QSI with holdings across 3 companies. Recent SEC Form 4 filings include 0 buys and 34 sells.

Estimated insider holdings value: $6.5M based on current market prices.

Holdings by Company

QSIOct 16, 2025

Current Shares1.90M

Value$1.46M

Net Activity-3,506,801

Bought: 25.6KSold: 3.53M

HYPRNov 30, 2022

Current Shares885.7K

Value$894.6K

Net Activity+762.0K

Bought: 762.0KSold: 0

BFLYJul 21, 2026

Current Shares496.7K

Value$4.15M

Net Activity-13,342,450

Bought: 0Sold: 13.34M

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jul 21, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	3,126,453	$6.64	$20,748,309.38	-83.4%	-	-
Jul 16, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	4,013,452	$7.32	$29,368,632.46	-60.8%	-	-
Jan 8, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	1,140,180	$4.12	$4,695,583.28	-50.3%	-0.2%	-
Dec 26, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	62,365	$4.01	$249,906.16	-1.8%	+7.8%	-
Dec 16, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	886,294	$3.16	$2,796,488.86	-38.8%	+17.1%	-
Dec 12, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	605,565	$3.11	$1,880,785.32	-58.0%	+20.9%	-
Dec 9, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	945,397	$3.24	$3,064,544.25	-70.4%	+21.3%	-
Dec 5, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	101,796	$3.08	$313,064.34	-8.3%	+22.9%	-
Nov 28, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	132,570	$3.08	$408,183.03	-20.5%	+50.6%	-
Nov 26, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	2,227,876	$3.18	$7,089,929.58	-30.2%	-4.2%	-