David O. Watson

CIK 1657719 · General Counsel · last filed 2026-05-14

David O. Watson is a General Counsel who has filed 59 SEC Form 4 insider transactions across 1 company since 2018. The most recent filing, for APLS, was dated May 14, 2026. Across all open-market trades the lifetime net is −$6.8M, making them a net seller over the disclosed history.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$0

Companies

1

Total Filings

59

Lifetime Open-Market Net

-$6.80M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
Apellis Pharmaceuticals, Inc. (APLS) Delisted General Counsel 0 $41.03 $0 -$6.80M 59 2026-05-14

Recent Filings

59 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-14 Apellis Pharmaceuticals, Inc. (APLS) Delisted Mixed −317,949 $0 EDGAR
2026-01-30 Apellis Pharmaceuticals, Inc. (APLS) Delisted Grant (A) +55,986 $0 EDGAR
2026-01-23 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −7,832 -$170.5K EDGAR
2026-01-21 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −2,475 -$49.0K EDGAR
2026-01-15 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −5,780 -$128.2K EDGAR
2026-01-09 Apellis Pharmaceuticals, Inc. (APLS) Delisted Exer (M) +888 $13.3K EDGAR
2025-12-18 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −5,000 -$122.4K EDGAR
2025-11-18 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −5,000 -$100.3K EDGAR
2025-10-17 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −5,000 -$126.1K EDGAR
2025-09-18 Apellis Pharmaceuticals, Inc. (APLS) Delisted Sell (S) −5,000 -$121.7K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.