Apellis Pharmaceuticals Inc (APLS)

Apellis Pharmaceuticals experienced multiple divestments by key executives during January and February 2026. These transactions involved various leadership members, including the Chief Executive Officer and Chief Financial Officer, offloading shares. The most recent activity occurred on February 11, 2026, marking the conclusion of this period of selling.
Ticker: APLS Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Apellis Pharmaceuticals Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
DeLong Mark Jeffrey Chief Business & Strat Officer Officer
Transaction date
Sale
Price
449.09
Quantity 34,469 +22.7%
Value US$2,112,541
3.6
DeLong Mark Jeffrey Officer Officer
Transaction date
Proposed sale
Price
103.76
Quantity 82,637
Value US$846,676
4.1
Deschatelets Pascal Chief Scientific Officer Officer
Transaction date
Sale
Price
329.34
Quantity 98,173 +13.6%
Value US$3,820,180
3.6
DeLong Mark Jeffrey Chief Business & Strat Officer Officer
Transaction date
Sale
Price
21.77
Quantity 3,371 -4.1%
Value US$73,371
3.6
Chopas James George VP/Chief Accounting Officer Officer
Transaction date
Sale
Price
21.77
Quantity 2,064 -4.0%
Value US$44,924
2.9
Baumal Caroline Chief Medical Officer Officer
Transaction date
Sale
Price
21.77
Quantity 2,797 -3.1%
Value US$60,878
3.4
Watson David O. General Counsel Officer
Transaction date
Sale
Price
21.77
Quantity 7,832 -8.1%
Value US$170,467
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Sale
Price
21.77
Quantity 10,287 -9.9%
Value US$223,901
4.0
Francois Cedric Chief Executive Officer Executive Director
Transaction date
Sale
Price
21.77
Quantity 27,192 -8.7%
Value US$591,845
3.1
Nicholson Nur Chief Technical Officer Officer
Transaction date
Sale
Price
21.77
Quantity 7,725 -9.8%
Value US$168,138
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 7,832
Value US$170,467
4.1
Deschatelets Pascal Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 5,928
Value US$129,025
3.4
Sullivan Timothy Eugene Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 10,287
Value US$223,901
3.6
DeLong Mark Jeffrey Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 3,371
Value US$73,371
4.0
Francois Cedric Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 27,192
Value US$591,845
3.1
Nicholson Nur Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 7,725
Value US$168,138
3.6
Chopas James George Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 2,064
Value US$44,924
2.9
Baumal Caroline Officer Officer
Transaction date
Proposed sale
Price
21.77
Quantity 2,797
Value US$60,878
4.0
Francois Cedric Chief Executive Officer Executive Director
Transaction date
Sale
Price
19.79
Quantity 8,182 -2.5%
Value US$161,946
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Sale
Price
19.79
Quantity 2,892 -2.7%
Value US$57,241
4.1
Deschatelets Pascal Chief Scientific Officer Officer
Transaction date
Sale
Price
19.79
Quantity 909 -0.1%
Value US$17,992
3.1
Nicholson Nur Chief Technical Officer Officer
Transaction date
Sale
Price
19.79
Quantity 2,203 -2.7%
Value US$43,604
3.6
Chopas James George VP/Chief Accounting Officer Officer
Transaction date
Sale
Price
19.79
Quantity 726 -1.4%
Value US$14,370
3.6
DeLong Mark Jeffrey Chief Business & Strat Officer Officer
Transaction date
Sale
Price
19.79
Quantity 1,334 -1.6%
Value US$26,404
2.9
Baumal Caroline Chief Medical Officer Officer
Transaction date
Sale
Price
19.79
Quantity 1,882 -2.1%
Value US$37,250
3.4
Watson David O. General Counsel Officer
Transaction date
Sale
Price
19.79
Quantity 2,475 -2.5%
Value US$48,987
3.1
Nicholson Nur Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 2,203
Value US$43,604
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 2,475
Value US$48,987
4.0
Francois Cedric Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 8,182
Value US$161,946
3.6
DeLong Mark Jeffrey Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 1,334
Value US$26,404
4.1
Deschatelets Pascal Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 909
Value US$17,992
2.9
Baumal Caroline Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 1,882
Value US$37,250
3.4
Sullivan Timothy Eugene Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 2,892
Value US$57,241
3.6
Chopas James George Officer Officer
Transaction date
Proposed sale
Price
19.79
Quantity 726
Value US$14,370
3.1
Nicholson Nur Chief Technical Officer Officer
Transaction date
Sale
Price
22.19
Quantity 2,618 -3.1%
Value US$58,086
3.6
Chopas James George VP/Chief Accounting Officer Officer
Transaction date
Sale
Price
22.19
Quantity 873 -1.6%
Value US$19,369
3.6
DeLong Mark Jeffrey Chief Business & Strat Officer Officer
Transaction date
Sale
Price
22.19
Quantity 1,780 -2.1%
Value US$39,493
4.0
Francois Cedric Chief Executive Officer Executive Director
Transaction date
Sale
Price
22.19
Quantity 10,186 -3.1%
Value US$225,999
4.1
Deschatelets Pascal Chief Scientific Officer Officer
Transaction date
Sale
Price
22.19
Quantity 2,277 -0.2%
Value US$50,520
3.4
Watson David O. General Counsel Officer
Transaction date
Sale
Price
22.19
Quantity 5,780 -5.5%
Value US$128,242
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Sale
Price
22.19
Quantity 3,856 -3.5%
Value US$85,554
3.1
Nicholson Nur Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 2,618
Value US$58,086
3.6
Chopas James George Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 873
Value US$19,369
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 5,780
Value US$128,242
3.6
DeLong Mark Jeffrey Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 1,780
Value US$39,493
4.1
Deschatelets Pascal Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 2,277
Value US$50,520
4.0
Francois Cedric Officer; Director Executive Director
Transaction date
Proposed sale
Price
22.19
Quantity 10,186
Value US$225,999
3.4
Sullivan Timothy Eugene Officer Officer
Transaction date
Proposed sale
Price
22.19
Quantity 3,856
Value US$85,554
2.9
Baumal Caroline Chief Medical Officer Officer
Transaction date
Sale
Price
25.53
Quantity 3,020 -3.2%
Value US$77,097
2.9
Baumal Caroline Officer Officer
Transaction date
Proposed sale
Price
25.53
Quantity 3,020
Value US$77,097
3.4
Watson David O. General Counsel Officer
Transaction date
Planned sale
Price
24.49
Quantity 5,000 -4.6%
Value US$122,450
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
24.49
Quantity 5,000
Value US$122,450
3.4
Watson David O. General Counsel Officer
Transaction date
Planned sale
Price
20.06
Quantity 5,000 -4.4%
Value US$100,300
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
20.06
Quantity 5,000
Value US$100,300
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Planned sale
Price
28.03
Quantity 10,000 -8.3%
Value US$280,300
3.4
Sullivan Timothy Eugene Officer Officer
Transaction date
Proposed sale
Price
28.03
Quantity 10,000
Value US$280,300
3.4
Watson David O. General Counsel Officer
Transaction date
Planned sale
Price
25.22
Quantity 5,000 -4.2%
Value US$126,100
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
25.22
Quantity 5,000
Value US$126,100
3.1
Dunlop A. Sinclair Non-Executive Director
Transaction date
Planned sale
Price
23.72
Quantity 31,092 -89.0%
Value US$737,536
3.1
Dunlop A. Sinclair Non-Executive Director
Transaction date
Planned sale
Price
22.58
Quantity 31,092 -47.8%
Value US$702,057
3.1
Dunlop A. Sinclair Director Non-Executive Director
Transaction date
Proposed sale
Price
22.95
Quantity 93,276
Value US$2,140,917
3.1
Dunlop A. Sinclair Non-Executive Director
Transaction date
Planned sale
Price
22.95
Quantity 31,092 -31.1%
Value US$713,561
3.4
Watson David O. General Counsel Officer
Transaction date
Planned sale
Price
24.34
Quantity 5,000 -4.0%
Value US$121,700
3.4
Watson David O. Officer Officer
Transaction date
Proposed sale
Price
24.34
Quantity 5,000
Value US$121,700
3.6
Chopas James George VP/Chief Accounting Officer Officer
Transaction date
Sale
Price
24.19
Quantity 189 -0.4%
Value US$4,572
3.6
Chopas James George Officer Officer
Transaction date
Proposed sale
Price
24.19
Quantity 189
Value US$4,572
3.4
Watson David O. General Counsel Officer
Transaction date
Sale
Price
26.17
Quantity 20,000 -28.5%
Value US$523,400
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Sale
Price
27.83
Quantity 10,000 -14.2%
Value US$278,300
3.4
Sullivan Timothy Eugene Chief Financial Officer Officer
Transaction date
Planned sale
Price
27.86
Quantity 32,729 -22.8%
Value US$911,830
3.4
Sullivan Timothy Eugene Officer Officer
Transaction date
Proposed sale
Price
27.86
Quantity 32,729
Value US$911,830
3.6
Chopas James George VP/Chief Accounting Officer Officer
Transaction date
Sale
Price
28.08
Quantity 548 -1.0%
Value US$15,386
3.6
Chopas James George Officer Officer
Transaction date
Proposed sale
Price
28.08
Quantity 548
Value US$15,386
4.0
Francois Cedric Chief Executive Officer Executive Director
Transaction date
Sale
Price
28.39
Quantity 49,963 -14.0%
Value US$1,418,450
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-02-13 2026-02-11 S Sale

Chief Business & Strat Officer

Officer
34,469 +22.7%
449.09
US$2,112,541
34,469 +22.7% 449.09 US$2,112,541
2026-02-11 2026-02-11 PrS Proposed sale

Officer

Officer
82,637
103.76
US$846,676
82,637 103.76 US$846,676
2026-01-23 2026-01-22 S Sale

Chief Scientific Officer

Officer
98,173 +13.6%
329.34
US$3,820,180
98,173 +13.6% 329.34 US$3,820,180
2026-01-23 2026-01-22 S Sale

Chief Business & Strat Officer

Officer
3,371 -4.1%
21.77
US$73,371
3,371 -4.1% 21.77 US$73,371
2026-01-23 2026-01-22 S Sale

VP/Chief Accounting Officer

Officer
2,064 -4.0%
21.77
US$44,924
2,064 -4.0% 21.77 US$44,924
2026-01-23 2026-01-22 S Sale

Chief Medical Officer

Officer
2,797 -3.1%
21.77
US$60,878
2,797 -3.1% 21.77 US$60,878
2026-01-23 2026-01-22 S Sale

General Counsel

Officer
7,832 -8.1%
21.77
US$170,467
7,832 -8.1% 21.77 US$170,467
2026-01-23 2026-01-22 S Sale

Chief Financial Officer

Officer
10,287 -9.9%
21.77
US$223,901
10,287 -9.9% 21.77 US$223,901
2026-01-23 2026-01-22 S Sale

Chief Executive Officer

Executive Director
27,192 -8.7%
21.77
US$591,845
27,192 -8.7% 21.77 US$591,845
2026-01-23 2026-01-22 S Sale

Chief Technical Officer

Officer
7,725 -9.8%
21.77
US$168,138
7,725 -9.8% 21.77 US$168,138
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
7,832
21.77
US$170,467
7,832 21.77 US$170,467
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
5,928
21.77
US$129,025
5,928 21.77 US$129,025
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
10,287
21.77
US$223,901
10,287 21.77 US$223,901
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
3,371
21.77
US$73,371
3,371 21.77 US$73,371
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
27,192
21.77
US$591,845
27,192 21.77 US$591,845
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
7,725
21.77
US$168,138
7,725 21.77 US$168,138
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
2,064
21.77
US$44,924
2,064 21.77 US$44,924
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
2,797
21.77
US$60,878
2,797 21.77 US$60,878
2026-01-21 2026-01-20 S Sale

Chief Executive Officer

Executive Director
8,182 -2.5%
19.79
US$161,946
8,182 -2.5% 19.79 US$161,946
2026-01-21 2026-01-20 S Sale

Chief Financial Officer

Officer
2,892 -2.7%
19.79
US$57,241
2,892 -2.7% 19.79 US$57,241
2026-01-21 2026-01-20 S Sale

Chief Scientific Officer

Officer
909 -0.1%
19.79
US$17,992
909 -0.1% 19.79 US$17,992
2026-01-21 2026-01-20 S Sale

Chief Technical Officer

Officer
2,203 -2.7%
19.79
US$43,604
2,203 -2.7% 19.79 US$43,604
2026-01-21 2026-01-20 S Sale

VP/Chief Accounting Officer

Officer
726 -1.4%
19.79
US$14,370
726 -1.4% 19.79 US$14,370
2026-01-21 2026-01-20 S Sale

Chief Business & Strat Officer

Officer
1,334 -1.6%
19.79
US$26,404
1,334 -1.6% 19.79 US$26,404
2026-01-21 2026-01-20 S Sale

Chief Medical Officer

Officer
1,882 -2.1%
19.79
US$37,250
1,882 -2.1% 19.79 US$37,250
2026-01-21 2026-01-20 S Sale

General Counsel

Officer
2,475 -2.5%
19.79
US$48,987
2,475 -2.5% 19.79 US$48,987
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
2,203
19.79
US$43,604
2,203 19.79 US$43,604
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
2,475
19.79
US$48,987
2,475 19.79 US$48,987
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
8,182
19.79
US$161,946
8,182 19.79 US$161,946
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
1,334
19.79
US$26,404
1,334 19.79 US$26,404
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
909
19.79
US$17,992
909 19.79 US$17,992
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
1,882
19.79
US$37,250
1,882 19.79 US$37,250
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
2,892
19.79
US$57,241
2,892 19.79 US$57,241
2026-01-20 2026-01-20 PrS Proposed sale

Officer

Officer
726
19.79
US$14,370
726 19.79 US$14,370
2026-01-15 2026-01-13 S Sale

Chief Technical Officer

Officer
2,618 -3.1%
22.19
US$58,086
2,618 -3.1% 22.19 US$58,086
2026-01-15 2026-01-13 S Sale

VP/Chief Accounting Officer

Officer
873 -1.6%
22.19
US$19,369
873 -1.6% 22.19 US$19,369
2026-01-15 2026-01-13 S Sale

Chief Business & Strat Officer

Officer
1,780 -2.1%
22.19
US$39,493
1,780 -2.1% 22.19 US$39,493
2026-01-15 2026-01-13 S Sale

Chief Executive Officer

Executive Director
10,186 -3.1%
22.19
US$225,999
10,186 -3.1% 22.19 US$225,999
2026-01-15 2026-01-13 S Sale

Chief Scientific Officer

Officer
2,277 -0.2%
22.19
US$50,520
2,277 -0.2% 22.19 US$50,520
2026-01-15 2026-01-13 S Sale

General Counsel

Officer
5,780 -5.5%
22.19
US$128,242
5,780 -5.5% 22.19 US$128,242
2026-01-15 2026-01-13 S Sale

Chief Financial Officer

Officer
3,856 -3.5%
22.19
US$85,554
3,856 -3.5% 22.19 US$85,554
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
2,618
22.19
US$58,086
2,618 22.19 US$58,086
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
873
22.19
US$19,369
873 22.19 US$19,369
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
5,780
22.19
US$128,242
5,780 22.19 US$128,242
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
1,780
22.19
US$39,493
1,780 22.19 US$39,493
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
2,277
22.19
US$50,520
2,277 22.19 US$50,520
2026-01-13 2026-01-13 PrS Proposed sale

Officer; Director

Executive Director
10,186
22.19
US$225,999
10,186 22.19 US$225,999
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
3,856
22.19
US$85,554
3,856 22.19 US$85,554
2026-01-06 2026-01-05 S Sale

Chief Medical Officer

Officer
3,020 -3.2%
25.53
US$77,097
3,020 -3.2% 25.53 US$77,097
2026-01-05 2026-01-05 PrS Proposed sale

Officer

Officer
3,020
25.53
US$77,097
3,020 25.53 US$77,097
2025-12-18 2025-12-16 PlS Planned sale

General Counsel

Officer
5,000 -4.6%
24.49
US$122,450
5,000 -4.6% 24.49 US$122,450
2025-12-16 2025-12-16 PrS Proposed sale

Officer

Officer
5,000
24.49
US$122,450
5,000 24.49 US$122,450
2025-11-18 2025-11-17 PlS Planned sale

General Counsel

Officer
5,000 -4.4%
20.06
US$100,300
5,000 -4.4% 20.06 US$100,300
2025-11-17 2025-11-17 PrS Proposed sale

Officer

Officer
5,000
20.06
US$100,300
5,000 20.06 US$100,300
2025-10-23 2025-10-21 PlS Planned sale

Chief Financial Officer

Officer
10,000 -8.3%
28.03
US$280,300
10,000 -8.3% 28.03 US$280,300
2025-10-21 2025-10-21 PrS Proposed sale

Officer

Officer
10,000
28.03
US$280,300
10,000 28.03 US$280,300
2025-10-17 2025-10-16 PlS Planned sale

General Counsel

Officer
5,000 -4.2%
25.22
US$126,100
5,000 -4.2% 25.22 US$126,100
2025-10-16 2025-10-16 PrS Proposed sale

Officer

Officer
5,000
25.22
US$126,100
5,000 25.22 US$126,100
2025-10-15 2025-10-10 PlS Planned sale Non-Executive Director
31,092 -89.0%
23.72
US$737,536
31,092 -89.0% 23.72 US$737,536
2025-10-02 2025-09-30 PlS Planned sale Non-Executive Director
31,092 -47.8%
22.58
US$702,057
31,092 -47.8% 22.58 US$702,057
2025-09-19 2025-09-19 PrS Proposed sale

Director

Non-Executive Director
93,276
22.95
US$2,140,917
93,276 22.95 US$2,140,917
2025-09-19 2025-09-19 PlS Planned sale Non-Executive Director
31,092 -31.1%
22.95
US$713,561
31,092 -31.1% 22.95 US$713,561
2025-09-18 2025-09-16 PlS Planned sale

General Counsel

Officer
5,000 -4.0%
24.34
US$121,700
5,000 -4.0% 24.34 US$121,700
2025-09-16 2025-09-16 PrS Proposed sale

Officer

Officer
5,000
24.34
US$121,700
5,000 24.34 US$121,700
2025-09-17 2025-09-15 S Sale

VP/Chief Accounting Officer

Officer
189 -0.4%
24.19
US$4,572
189 -0.4% 24.19 US$4,572
2025-09-15 2025-09-15 PrS Proposed sale

Officer

Officer
189
24.19
US$4,572
189 24.19 US$4,572
2025-09-12 2025-09-10 S Sale

General Counsel

Officer
20,000 -28.5%
26.17
US$523,400
20,000 -28.5% 26.17 US$523,400
2025-09-10 2025-09-10 PrS Proposed sale

Officer

Officer
20,000
26.17
US$523,436
20,000 26.17 US$523,436
2025-09-10 2025-09-08 S Sale

Chief Financial Officer

Officer
10,000 -14.2%
27.83
US$278,300
10,000 -14.2% 27.83 US$278,300
2025-09-10 2025-09-08 PlS Planned sale

Chief Financial Officer

Officer
32,729 -22.8%
27.86
US$911,830
32,729 -22.8% 27.86 US$911,830
2025-09-08 2025-09-08 PrS Proposed sale

Officer

Officer
10,000
28.00
US$280,000
10,000 28.00 US$280,000
2025-09-08 2025-09-08 PrS Proposed sale

Officer

Officer
32,729
27.86
US$911,830
32,729 27.86 US$911,830
2025-09-03 2025-09-02 S Sale

VP/Chief Accounting Officer

Officer
548 -1.0%
28.08
US$15,386
548 -1.0% 28.08 US$15,386
2025-09-02 2025-09-02 PrS Proposed sale

Officer

Officer
548
28.08
US$15,386
548 28.08 US$15,386
2025-08-29 2025-08-28 S Sale

Chief Executive Officer

Executive Director
49,963 -14.0%
28.39
US$1,418,450
49,963 -14.0% 28.39 US$1,418,450