Robert Joseph Ball

Robert Joseph Ball serves as CEO & Executive Chairman at SHOULDER INNOVATIONS, INC. (SI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

2 trades

$229.8K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$229.8K

Companies Traded

Active Period

Sep 2025 – Dec 2025

2 total trades

Most Recent

Buy SI

Dec 11, 2025 · $107.0K

Robert Joseph Ball's Insider Trading at SHOULDER INNOVATIONS, INC. (SI)

Buys

2 · $229.8K

Sells

0 · $0.00

Total Shares Bought

15,200

Total Shares Sold

SI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 11, 2025↗	Buy	7,200	$14.86	$107.0K	0
Sep 11, 2025↗	Buy	8,000	$15.34	$122.8K	0

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