Rothberg Jonathan M

Director | Director, 10% Owner | Interim CEO

3 companies

Insider Signal Score

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 reported holdings spanning 3 companies. Recent filings cover 8 purchases and 48 sales. Those positions are worth an estimated $6.6M at current prices.

Our model assigns Rothberg Jonathan M a strong insider score of 71/100, based on 30 past trades. Over a 12-month horizon, 77.8% of those trades were profitable, with an average 12-month return of +34.3%.

Rothberg Jonathan M's largest disclosed position is in QSI as Director, 10% Owner, worth about $5.8M. The recent filings there lean toward selling, a net 3,506,801 shares.

Holdings by Company

QSIOct 16, 2025

Current Shares1.90M

Est. Value$5.85M

Net Activity-3,506,801

Bought: 25.6KSold: 3.53M

HYPRNov 30, 2022

Current Shares885.7K

Est. Value$726.3K

Net Activity+762.0K

Bought: 762.0KSold: 0

BFLYJul 22, 2026

Current Shares0

Est. Value-

Net Activity-14,002,363

Bought: 0

Transaction History

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jul 22, 2026	BFLY Butterfly Network, Inc.	Director	Sell	659,913	$6.47	$4,269,505.13	-100%	-	-
Jul 21, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	3,126,453	$6.64	$20,748,309.38	-86.3%	-	-
Jul 16, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	4,013,452	$7.32	$29,368,632.46	-99.1%	-	-
Jan 8, 2026	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	1,140,180	$4.12	$4,695,583.28	-100%	-0.2%	-
Dec 26, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	62,365	$4.01	$249,906.16	-5.2%	+7.8%	-
Dec 16, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	886,294	$3.16	$2,796,488.86	-42.4%	+17.1%	-
Dec 12, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	605,565	$3.11	$1,880,785.32	-100%	+20.9%	-
Dec 9, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	945,397	$3.24	$3,064,544.25	-89.5%	+21.3%	-
Dec 5, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	101,796	$3.08	$313,064.34	-15.8%	+22.9%	-
Nov 28, 2025	BFLY Butterfly Network, Inc.	Director, 10% Owner	Sell	132,570	$3.08	$408,183.03	-20.5%	+50.6%	-

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →SEC Form 4 Lookup: How to Find and Search Insider Trading Filings →What is Insider Trading? A Complete Guide →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC

Date

Ticker

Role

Type

Price

Value

Chg%

12M

SEC

Jul 22, 2026

BFLY

Butterfly Network, Inc.

Director

Sell

659,913

$6.47

$4,269,505.13

-100%

Jul 21, 2026

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

3,126,453

$6.64

$20,748,309.38

-86.3%

Jul 16, 2026

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

4,013,452

$7.32

$29,368,632.46

-99.1%

Jan 8, 2026

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

1,140,180

$4.12

$4,695,583.28

-100%

-0.2%

Dec 26, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

62,365

$4.01

$249,906.16

-5.2%

+7.8%

Dec 16, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

886,294

$3.16

$2,796,488.86

-42.4%

+17.1%

Dec 12, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

605,565

$3.11

$1,880,785.32

-100%

+20.9%

Dec 9, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

945,397

$3.24

$3,064,544.25

-89.5%

+21.3%

Dec 5, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

101,796

$3.08

$313,064.34

-15.8%

+22.9%

Nov 28, 2025

BFLY

Butterfly Network, Inc.

Director, 10% Owner

Sell

132,570

$3.08

$408,183.03

-20.5%

+50.6%