Watson David O.
General Counsel
Watson David O. has filed 11 SEC Form 4 filings (23 transaction rows) across 1 company, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: May 14, 2026.
On the most recent filing, Watson David O. is listed as General Counsel at Apellis Pharmaceuticals, Inc. Inside the rolling window, Watson David O. reported no open-market purchases and 5 open-market sales totaling $570K in APLS. The largest disclosed transaction in the window is a sale of 7,832 APLS shares on Jan 22, 2026, worth $170K.
Companies traded
Other insiders at APLS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$570K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Watson David O. made?
Watson David O. has filed 11 SEC Form 4 filings (23 transaction rows) across 1 company since 2025.
Which companies does Watson David O. trade?
Watson David O. has filed SEC Form 4 disclosures for 1 company, including APLS.
When was Watson David O.'s most recent SEC Form 4 filing?
Watson David O.'s most recent SEC Form 4 filing on Tracefour is dated May 14, 2026.
What is Watson David O.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Watson David O. is listed as General Counsel.
What is Watson David O.'s total buy and sell value in the current window?
Inside the rolling retention window, Watson David O. bought $0 and sold $570K based on SEC Form 4 filings.
What was Watson David O.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 7,832 APLS shares on 2026-01-22, worth $170K, per SEC Form 4 filings.