Apellis Pharmaceuticals, Inc. (APLS) has 20 known insider and institutional holders on record. The largest holder is Morningside Venture Investments Ltd with 12,806,342 shares. Other notable holders include Deschatelets Pascal and Francois Cedric.
Over the last 12 months, insiders have made 86 transactions in APLS stock — 32 buys (valued at $19.26M) and 39 sells (valued at $10.82M). Insider selling has exceeded buying during this period.
APLS Insider Ownership
Top Holder
Morningside Venture Investments Ltd
12,806,342 shares
Buys (12 mo)
32
$19.26M value
Sells (12 mo)
39
$10.82M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Morningside Venture Investments Ltd |
10 Percent Owner |
12,806,342 |
2021-11-18 |
|
| 2 |
Deschatelets Pascal |
Chief Scientific Officer |
1,177,222 |
2026-01-30 |
|
| 3 |
Francois Cedric |
Chief Executive Officer |
372,815 |
2026-03-13 |
|
| 4 |
Sullivan Timothy Eugene |
Chief Financial Officer |
152,041 |
2026-01-30 |
|
| 5 |
Watson David O. |
General Counsel |
144,517 |
2026-01-30 |
|
| 6 |
Boucher Kelley |
Chief People Officer |
127,804 |
2026-01-30 |
|
| 7 |
Nicholson Nur |
Chief Technical Officer |
116,338 |
2026-01-30 |
|
| 8 |
Delong Mark Jeffrey |
Chief Business & Strat Officer |
114,591 |
2026-02-13 |
|
| 9 |
Meltzer Leslie |
Chief Research and Development |
107,024 |
2026-01-30 |
|
| 10 |
Grossi Federico |
Chief Medical Officer |
94,884 |
2023-01-09 |
|
| 11 |
Baumal Caroline |
Chief Medical Officer |
86,527 |
2026-01-23 |
|
| 12 |
Townsend Adam J. |
Chief Commercial Officer |
84,050 |
2025-01-30 |
|
| 13 |
Lewis Karen |
Chief People Officer |
70,251 |
2025-01-30 |
|
| 14 |
Chopas James George |
VP/chief Accounting Officer |
65,955 |
2026-01-30 |
|
| 15 |
Eisele Jeffrey |
Chief Development Officer |
55,312 |
2025-01-30 |
|
| 16 |
Scheibler Lukas |
Chief Research Officer |
39,391 |
2023-12-05 |
|
| 17 |
Brown Victoria L. |
Program Team Lead |
23,556 |
2023-01-24 |
|
| 18 |
Wheeler Craig A |
Director |
14,684 |
2026-01-05 |
|
| 19 |
Machiels Alec |
Director |
14,684 |
2026-01-05 |
|
| 20 |
Chan Gerald |
Director |
14,684 |
2026-01-05 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-31 |
Biogen Inc. |
Other: See Footnotes |
Unknown |
- |
- |
- |
| 2026-03-11 |
Francois Cedric |
Chief Executive Officer |
Gift (Received) |
64,869 |
- |
- |
| 2026-03-02 |
Dolsten Mikael |
Director |
Unknown |
- |
- |
- |
| 2026-02-27 |
Dolsten Mikael |
Director |
RSU Award |
14,312 |
- |
- |
| 2026-02-11 |
Delong Mark Jeffrey |
Chief Business & Strat Officer |
Informative Sell |
368 |
$22.15 |
$8.15K |
| 2026-02-03 |
Francois Cedric |
Chief Executive Officer |
Option Exercise (Sell) |
8,840 |
$3.76 |
$33.24K |
| 2026-01-28 |
Meltzer Leslie |
Chief Research and Development |
RSU Award |
45,220 |
- |
- |
| 2026-01-28 |
Boucher Kelley |
Chief People Officer |
RSU Award |
30,146 |
- |
- |
| 2026-01-28 |
Delong Mark Jeffrey |
Chief Business & Strat Officer |
RSU Award |
36,606 |
- |
- |
| 2026-01-28 |
Chopas James George |
VP/chief Accounting Officer |
RSU Award |
16,150 |
- |
- |
| 2026-01-28 |
Nicholson Nur |
Chief Technical Officer |
RSU Award |
45,220 |
- |
- |
| 2026-01-28 |
Sullivan Timothy Eugene |
Chief Financial Officer |
RSU Award |
58,140 |
- |
- |
| 2026-01-28 |
Francois Cedric |
Chief Executive Officer |
RSU Award |
195,952 |
- |
- |
| 2026-01-28 |
Deschatelets Pascal |
Chief Scientific Officer |
RSU Award |
25,840 |
- |
- |
| 2026-01-28 |
Watson David O. |
General Counsel |
RSU Award |
55,986 |
- |
- |
| 2026-01-22 |
Baumal Caroline |
Chief Medical Officer |
Informative Sell |
2,797 |
$21.77 |
$60.88K |
| 2026-01-22 |
Delong Mark Jeffrey |
Chief Business & Strat Officer |
Informative Sell |
3,371 |
$21.77 |
$73.37K |
| 2026-01-22 |
Chopas James George |
VP/chief Accounting Officer |
Informative Sell |
2,064 |
$21.77 |
$44.92K |
| 2026-01-22 |
Nicholson Nur |
Chief Technical Officer |
Informative Sell |
7,725 |
$21.77 |
$168.14K |
| 2026-01-22 |
Sullivan Timothy Eugene |
Chief Financial Officer |
Informative Sell |
10,287 |
$21.77 |
$223.9K |
| 2026-01-22 |
Francois Cedric |
Chief Executive Officer |
Informative Sell |
27,192 |
$21.77 |
$591.84K |
| 2026-01-22 |
Deschatelets Pascal |
Chief Scientific Officer |
Informative Sell |
5,928 |
$21.77 |
$129.03K |
| 2026-01-22 |
Watson David O. |
General Counsel |
Informative Sell |
7,832 |
$21.77 |
$170.47K |
| 2026-01-20 |
Baumal Caroline |
Chief Medical Officer |
Informative Sell |
1,882 |
$19.79 |
$37.25K |
| 2026-01-20 |
Delong Mark Jeffrey |
Chief Business & Strat Officer |
Informative Sell |
1,334 |
$19.79 |
$26.4K |
