Companies: 10,795·Total market cap: $144.5T
Apellis Pharmaceuticals, Inc.

Apellis Pharmaceuticals, Inc.

APLSNASDAQHealthcare
$41.03
+$0.00(+0.00%)
Market Cap$5.3B
P/E Ratio
52W High$41.14
52W Low$16.61

Apellis Pharmaceuticals, Inc. (APLS) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · APLS · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

45

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Apellis Pharmaceuticals, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

APLS insider buying and selling by quarter

APLS insider selling · APLS insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
8.5M4.2M0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · APLS ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

APLS executive sell shares · APLS board member insider trading · APLS insider trading SEC filing

Showing 38 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Dunlop A. Sinclair

Director

Other

Date

May 14

Shares

3,544

Price

Value

View Form 4 on SEC.gov

Dunlop A. Sinclair

Director

Other

Date

May 14

Shares

161,567

Price

$4.00

Value

$646K

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Award

Date

May 14

Shares

16,150

Price

Value

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Award

Date

May 14

Shares

8,394

Price

Value

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Award

Date

May 14

Shares

8,075

Price

Value

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Award

Date

May 14

Shares

5,625

Price

Value

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Other

Date

May 14

Shares

65,955

Price

$0.00

Value

$7

View Form 4 on SEC.gov

Chopas James George

VP/Chief Accounting Officer

Other

Date

May 14

Shares

6,250

Price

Value

View Form 4 on SEC.gov

Dolsten Mikael

Director

Other

Date

May 14

Shares

14,312

Price

Value

View Form 4 on SEC.gov

Dolsten Mikael

Director

Other

Date

May 14

Shares

14,312

Price

$4.00

Value

$57K

View Form 4 on SEC.gov

MELTZER LESLIE

Chief Research and Development

Award

Date

May 14

Shares

45,220

Price

Value

View Form 4 on SEC.gov

MELTZER LESLIE

Chief Research and Development

Award

Date

May 14

Shares

22,610

Price

Value

View Form 4 on SEC.gov

MELTZER LESLIE

Chief Research and Development

Other

Date

May 14

Shares

45,220

Price

Value

View Form 4 on SEC.gov

MELTZER LESLIE

Chief Research and Development

Other

Date

May 14

Shares

107,024

Price

$4.00

Value

$428K

View Form 4 on SEC.gov

FONTEYNE PAUL R.

Director

Other

Date

May 14

Shares

30,666

Price

$4.00

Value

$123K

View Form 4 on SEC.gov

FONTEYNE PAUL R.

Director

Other

Date

May 14

Shares

3,877

Price

Value

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Award

Date

May 14

Shares

58,140

Price

Value

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Award

Date

May 14

Shares

41,250

Price

Value

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Award

Date

May 14

Shares

30,620

Price

Value

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Award

Date

May 14

Shares

29,070

Price

Value

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Other

Date

May 14

Shares

71,492

Price

$4.00

Value

$286K

View Form 4 on SEC.gov

Sullivan Timothy Eugene

CFO

Other

Date

May 14

Shares

58,140

Price

Value

View Form 4 on SEC.gov

Machiels Alec

Director

Other

Date

May 14

Shares

150,000

Price

$0.00

Value

$15

View Form 4 on SEC.gov

Machiels Alec

Director

Other

Date

May 14

Shares

3,544

Price

Value

View Form 4 on SEC.gov

Deschatelets Pascal

Chief Scientific Officer

Award

Date

May 14

Shares

41,250

Price

Value

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 2

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About APLS insider trading

APLS insider trades

Apellis Pharmaceuticals, Inc. (APLS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Chopas James George (VP/Chief Accounting Officer), Sullivan Timothy Eugene (CFO), Deschatelets Pascal (Chief Scientific Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. APLS insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Apellis Pharmaceuticals, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

APLS insider trading · 5 questions

The insiders of Apellis Pharmaceuticals, Inc. (APLS) include executives and directors such as Chopas James George (VP/Chief Accounting Officer), Sullivan Timothy Eugene (CFO), Deschatelets Pascal (Chief Scientific Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

APLS board member insider tradingwho are APLS insidersAPLS insider rosterApellis Pharmaceuticals, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026