Apellis Pharmaceuticals, Inc.
Total Trades
357
Buys
0
Sells
250
Largest Trade
N/A
Insiders
16
Institutional Funds
216
Inst. Value
$1M+
Activist Filings
29
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| DeLong Mark Jeffrey | Senior Vice Presid… | SELL | $100K–$500K | 5K | $57.00 | Jul 28, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | SELL | $100K–$500K | 5K | $56.42 | Jul 21, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | EXERCISE | $50K–$100K | 5K | $15.52 | Jul 21, 2022 |
| Machiels Alec | Director | SELL | $50K–$100K | 1K | $46.33 | Jul 18, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | Jul 18, 2022 |
| Townsend Adam J. | Chief Commercial O… | SELL | $100K–$500K | 5K | $48.42 | Jul 12, 2022 |
| Townsend Adam J. | Chief Commercial O… | EXERCISE | $50K–$100K | 5K | $15.09 | Jul 12, 2022 |
| Deschatelets Pascal | Chief Scientific O… | SELL | $500K+ | 12K | $47.95 | Jul 12, 2022 |
| Deschatelets Pascal | Chief Scientific O… | EXERCISE | $15K–$50K | 19K | $2.67 | Jul 12, 2022 |
| Dunlop A. Sinclair | Director | SELL | $50K–$100K | 1K | $46.79 | Jun 29, 2022 |
| Dunlop A. Sinclair | Director | SELL | $500K+ | 15K | $45.00 | Jun 24, 2022 |
| Watson David O. | General Counsel | SELL | $100K–$500K | 10K | $44.51 | Jun 23, 2022 |
| Brown Victoria L. | Program Team Lead | SELL | $100K–$500K | 3K | $45.00 | Jun 22, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | SELL | $100K–$500K | 10K | $41.78 | Jun 21, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | EXERCISE | $100K–$500K | 10K | $13.85 | Jun 21, 2022 |
| Machiels Alec | Director | SELL | $15K–$50K | 1K | $39.29 | Jun 17, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | Jun 17, 2022 |
| Deschatelets Pascal | Chief Scientific O… | SELL | $500K+ | 12K | $44.09 | Jun 9, 2022 |
| Deschatelets Pascal | Chief Scientific O… | EXERCISE | $15K–$50K | 19K | $2.67 | Jun 9, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | SELL | $100K–$500K | 3K | $41.78 | Jun 2, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $100K–$500K | 10K | $43.00 | May 31, 2022 |
| Machiels Alec | Director | SELL | $15K–$50K | 1K | $39.18 | May 17, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | May 17, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | SELL | $100K–$500K | 3K | $43.56 | May 3, 2022 |
| Deschatelets Pascal | Chief Scientific O… | EXERCISE | $1K–$15K | 4K | $2.67 | May 3, 2022 |
| Deschatelets Pascal | Chief Scientific O… | SELL | $100K–$500K | 4K | $44.43 | May 3, 2022 |
| Watson David O. | General Counsel | SELL | $100K–$500K | 5K | $50.00 | Apr 27, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | SELL | $100K–$500K | 7K | $52.53 | Apr 22, 2022 |
| DeLong Mark Jeffrey | Senior Vice Presid… | EXERCISE | $100K–$500K | 7K | $15.52 | Apr 22, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | Apr 18, 2022 |
| Machiels Alec | Director | SELL | $50K–$100K | 1K | $50.90 | Apr 18, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | EXERCISE | $1K–$15K | 609 | $13.85 | Apr 6, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $15K–$50K | 609 | $60.09 | Apr 6, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $100K–$500K | 4K | $56.96 | Apr 5, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | EXERCISE | $15K–$50K | 4K | $13.85 | Apr 5, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $500K+ | 11K | $55.05 | Apr 4, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | EXERCISE | $100K–$500K | 11K | $13.85 | Apr 4, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | Mar 18, 2022 |
| Machiels Alec | Director | SELL | $15K–$50K | 1K | $39.57 | Mar 18, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | EXERCISE | $15K–$50K | 7K | $4.31 | Mar 17, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 375 | $39.57 | Mar 17, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | SELL | $15K–$50K | 375 | $43.53 | Mar 2, 2022 |
| Grossi Federico | CHIEF MEDICAL OFFI… | SELL | $15K–$50K | 375 | $45.43 | Feb 16, 2022 |
| Machiels Alec | Director | SELL | $50K–$100K | 1K | $45.43 | Feb 16, 2022 |
| Machiels Alec | Director | EXERCISE | $1K–$15K | 1K | $2.67 | Feb 16, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $50K–$100K | 2K | $46.80 | Feb 14, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | EXERCISE | $100K–$500K | 10K | $13.85 | Feb 14, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $500K+ | 10K | $50.00 | Feb 14, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | EXERCISE | $100K–$500K | 10K | $13.85 | Feb 10, 2022 |
| SCHEIBLER LUKAS | CHIEF INNOVATION O… | SELL | $100K–$500K | 10K | $45.00 | Feb 10, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 216 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Deep Track Capital, LP | 7.8M | $1M+ | SH |
| STATE STREET CORP | 4.6M | $1M+ | SH |
| Siren, L.L.C. | 2.6M | $1M+ | SH |
| ORBIMED ADVISORS LLC | 2.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 1.5M | $1M+ | SH |
| NORGES BANK | 1.2M | $1M+ | SH |
| Hudson Bay Capital Management LP | 1.2M | $1M+ | SH |
| BANK OF NOVA SCOTIA | 1.1M | $1M+ | SH |
| Logos Global Management LP | 1.0M | $1M+ | SH (Call) |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 952K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 644K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 633K | $1M+ | SH |
| CITIGROUP INC | 622K | $1M+ | SH |
| Point72 Asset Management, L.P. | 598K | $1M+ | SH |
| SG Americas Securities, LLC | 567K | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 558K | $1M+ | SH |
| Simplify Asset Management Inc. | 538K | $1M+ | SH |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 185K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 496K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 6, 2026
10.5%
13.2M shares
SC 13G/A · Nov 14, 2025
2.7%
3.4M shares
Wellington Management Group LLP
SC 13G/A · Nov 7, 2025
10.9%
13.8M shares
Wellington Management Group LLP
SC 13G/A · Aug 12, 2025
7.2%
9.0M shares
SC 13G · May 16, 2025
5.6%
7.0M shares
SC 13G/A · Apr 25, 2025
4.5%
5.6M shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2025
9.5%
11.8M shares
SC 13G · Feb 3, 2025
7.7%
9.6M shares
SC 13G/A · Nov 22, 2024
4.8%
6.0M shares
SC 13G · Nov 22, 2024
5.0%
6.2M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Nov 14, 2024
2.5%
3.0M shares
SC 13G · Nov 8, 2024
5.1%
6.2M shares
Wellington Management Group LLP
SC 13G/A · Nov 8, 2024
12.8%
15.6M shares
SC 13G · Oct 18, 2024
5.1%
6.2M shares
SC 13G/A · Feb 14, 2024
9.4%
11.2M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 14, 2024
5.3%
6.3M shares
SC 13G/A · Feb 14, 2024
9.9%
13.4M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.1%
9.6M shares
Wellington Management Group LLP
SC 13G/A · Sep 8, 2023
12.6%
14.8M shares
SC 13G · Jul 18, 2023
5.4%
6.3M shares
SC 13G/A · Jul 7, 2023
4.9%
5.7M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 14, 2023
5.3%
5.8M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
2.5%
2.7M shares
SC 13G/A · Feb 14, 2023
9.6%
10.6M shares
SC 13G/A · Jan 31, 2023
7.0%
7.7M shares
Morningside Venture Investments Ltd
SC 13G/A · Feb 14, 2022
13.2%
12.8M shares
SC 13G/A · Feb 14, 2022
0.0%
0 shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G · Feb 14, 2022
5.4%
5.3M shares
SC 13G · Feb 11, 2022
8.9%
8.6M shares