Watson David O.
SEC insider (Form 3/4/5 filer). CIK 0001657719. General Counsel at Apellis Pharmaceuticals, Inc. (APLS). 41 reported Form 4/5 transactions since Sep 2024; latest on May 14, 2026. Located in WALTHAM, MA.
Companies Watson David O. has filed insider reports for
- Apellis Pharmaceuticals, Inc. (APLS): Officer, General Counsel
Watson David O.
CIK: 0001657719
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Apellis Pharmaceuticals, Inc.
Discretionary Trading P&L
Holdings
Transaction History (41 total)
- May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
DispositionDirect28K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
AwardDirect28K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
DispositionDirect28.5K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
AwardDirect28.5K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
DispositionDirect41.3K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
Tender OfferDirect144.5K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
Tender OfferIndirect10K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
Tender OfferIndirect50.1K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
AwardDirect41.3K shares- - May 14, 2026APLS
Apellis Pharmaceuticals, Inc.
AwardDirect56K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Disposition | 27,993 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Award | 27,993 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Disposition | 28,508 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Award | 28,508 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Disposition | 41,250 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Tender Offer | 144,517 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Tender Offer | 10,000 | - | $0 | Indirect |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Tender Offer | 50,136 | - | $0 | Indirect |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Award | 41,250 | - | $0 | Direct |
| May 14, 2026 | APLS Apellis Pharmaceuticals, Inc. | Award | 55,986 | - | $0 | Direct |
1-10 of 41 transactions