Watson David O.

CIK 00016577191 companyWALTHAM, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001657719

Recent Transactions

50 trades

Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14+27,993→ 27,993 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−6,001→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−55,986→ 0 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14+28,508→ 28,508 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14+55,986→ 55,986 total
Disposition from Tender
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−144,517→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−37,708→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−28,508→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−32,072→ 0 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14+41,250→ 41,250 total
Disposition from Tender
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−10,000→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−11,874→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−14,000→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−82,500→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−34,533→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−45,000→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−7,363→ 0 total
Disposition from Tender
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−50,136→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−41,250→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−38,250→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−27,993→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-05-14−55,986→ 0 total
Disposition to Issuer
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (right to buy)
2026-05-14−50,974→ 0 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-01-28+55,986→ 144,517 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-01-22$21.77/sh−7,832→ 88,531 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-01-20$19.79/sh−2,475→ 96,363 total
Exercise/Conversion
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2026-01-07$14.95/sh+888→ 104,618 total
Exercise/Conversion
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (Right to Buy)
2026-01-07−888→ 14,000 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-12-16$24.49/sh−5,000→ 103,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-11-17$20.06/sh−5,000→ 108,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-10-16$25.22/sh−5,000→ 113,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-09-16$24.34/sh−5,000→ 118,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-09-10$26.17/sh−20,000→ 50,136 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-08-18$27.80/sh−5,000→ 123,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-07-16$19.55/sh−5,000→ 128,730 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-06-16$18.77/sh−5,000→ 133,730 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (Right to Buy)
2025-06-09$19.39/sh+82,500→ 82,500 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-03-05$25.10/sh−5,569→ 138,730 total
Gift
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-03-04+6,667→ 10,000 total
Gift
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-03-04−6,667→ 0 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-01-29$29.52/sh−695→ 144,299 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-01-22$30.43/sh−3,323→ 144,994 total
Award
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-01-21+42,762→ 148,317 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-01-17$29.96/sh−2,201→ 105,555 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2025-01-13$28.70/sh−4,965→ 107,756 total
Sale
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2024-12-11$34.23/sh−5,000→ 112,721 total
Gift
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2024-09-27+10,569→ 117,721 total
Gift
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2024-09-27−10,569→ 70,136 total
Exercise/Conversion
Apellis Pharmaceuticals, Inc.$APLS
Stock Option (Right to Buy)
2024-03-06−3,762→ 0 total
Exercise/Conversion
Apellis Pharmaceuticals, Inc.$APLS
Common Stock
2024-03-06$13.85/sh+3,762→ 107,152 total

Companies

Apellis Pharmaceuticals, Inc.
General Counsel
$APLS

Recent Filings

4
Watson David O.
May 14, 2026

Address

C/O APELLIS PHARMACEUTICALS, INC. 100 FIFTH AVENUE, 3RD FLOOR

WALTHAM, MA, 02451

View on SEC.gov