David O. Watson - Net Worth and Insider Trading

David O. Watson Net Worth

The estimated net worth of David O. Watson is at least $6 Million dollars as of 2026-09-11. David O. Watson is the General Counsel of Apellis Pharmaceuticals Inc and owns about 148,667 shares of Apellis Pharmaceuticals Inc (APLS) stock worth over $6 Million. Details can be seen in David O. Watson's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that David O. Watson has not made any transactions after 2026-01-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David O. Watson

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David O. Watson Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, David O. Watson owns 1 companies in total, including Apellis Pharmaceuticals Inc (APLS) .

Click here to see the complete history of David O. Watson’s form 4 insider trades.

Insider Ownership Summary of David O. Watson

Ticker Company Transaction Date Type of Owner
APLS Apellis Pharmaceuticals Inc 2026-01-22 General Counsel

David O. Watson Latest Holdings Summary

David O. Watson currently owns a total of 1 stock. David O. Watson owns 148,667 shares of Apellis Pharmaceuticals Inc (APLS) as of January 22, 2026, with a value of $6 Million.

Latest Holdings of David O. Watson

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
APLS Apellis Pharmaceuticals Inc 2026-01-22 148,667 41.03 6,099,807

Holding Weightings of David O. Watson


David O. Watson Form 4 Trading Tracker

According to the SEC Form 4 filings, David O. Watson has made a total of 27 transactions in Apellis Pharmaceuticals Inc (APLS) over the past 5 years, including 0 buys and 27 sells. The most-recent trade in Apellis Pharmaceuticals Inc is the sale of 7,832 shares on January 22, 2026, which brought David O. Watson around $170,503.

Insider Trading History of David O. Watson

* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

David O. Watson Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

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David O. Watson Ownership Network

Ownership Network List of David O. Watson

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Ownership Network Relation of David O. Watson

Insider Network Chart


David O. Watson Owned Company Details

What does Apellis Pharmaceuticals Inc do?

Who are the key executives at Apellis Pharmaceuticals Inc?

David O. Watson is the General Counsel of Apellis Pharmaceuticals Inc. Other key executives at Apellis Pharmaceuticals Inc include other: See footnotes Biogen Inc. , Senior Vice President Mark Jeffrey Delong , and Chief Medical Officer Caroline Baumal .

Apellis Pharmaceuticals Inc (APLS) Insider Trades Summary

Over the past 18 months, David O. Watson made 11 insider transaction in Apellis Pharmaceuticals Inc (APLS) with a net sale of 71,087. Other recent insider transactions involving Apellis Pharmaceuticals Inc (APLS) include a net sale of 429,650 shares made by Cedric Francois , a net sale of 69,764 shares made by Timothy Eugene Sullivan , and a net sale of 4,035 shares made by James George Chopas .

In summary, during the past 3 months, insiders sold 0 shares of Apellis Pharmaceuticals Inc (APLS) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 704,024 shares of Apellis Pharmaceuticals Inc (APLS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 704,024 shares.

Apellis Pharmaceuticals Inc (APLS)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Apellis Pharmaceuticals Inc Insider Transactions

No Available Data

David O. Watson Mailing Address

Above is the net worth, insider trading, and ownership report for David O. Watson. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David O. Watson's mailing address is: Crestwood Ky 40014.