Phanstiel S. Louise

SEC Form 4 insider trading activity

Phanstiel S. Louise has filed 5 SEC Form 4 filings (7 transaction rows) across 2 companies, including BFLY, MYGN, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Aug 17, 2026.

On the most recent filing, Phanstiel S. Louise is listed as Director at Butterfly Network, Inc. Inside the rolling window, Phanstiel S. Louise reported 5 open-market purchases totaling $2.1M in BFLY and MYGN and no open-market sales. The largest disclosed transaction in the window is a purchase of 115,200 BFLY shares on Aug 14, 2026, worth $1000K.

Companies traded

Other insiders at BFLY

Insider Buying

$2.1M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

2

in the rolling window

Source
BFLYPurchase$1000KAug 17SEC ↗
MYGNPurchase$29KFeb 27SEC ↗
MYGNPurchase$242KFeb 27SEC ↗
MYGNPurchase$224KFeb 27SEC ↗
BFLYPurchase$571KDec 17SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Phanstiel S. Louise made?

Phanstiel S. Louise has filed 5 SEC Form 4 filings (7 transaction rows) across 2 companies, including BFLY, MYGN since 2025.

Which companies does Phanstiel S. Louise trade?

Phanstiel S. Louise has filed SEC Form 4 disclosures for 2 companies, including BFLY, MYGN.

When was Phanstiel S. Louise's most recent SEC Form 4 filing?

Phanstiel S. Louise's most recent SEC Form 4 filing on Tracefour is dated Aug 17, 2026.

What is Phanstiel S. Louise's total buy and sell value in the current window?

Inside the rolling retention window, Phanstiel S. Louise bought $2.1M and sold $0 based on SEC Form 4 filings.

What was Phanstiel S. Louise's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 115,200 BFLY shares on 2026-08-14, worth $1000K, per SEC Form 4 filings.