DESCHATELETS PASCAL (Chief Operating Officer) received a stock award from APELLIS PHARMACEUTICALS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 4 awards

DESCHATELETS PASCAL

Filed: 5/14/2026ACC: 0001193125-26-224609

InsiderDESCHATELETS PASCALCIK 1657720

→

IssuerAPELLIS PHARMACEUTICALS, INC.CIK 1492422

Officer· Chief Operating Officer

Since Feb 2019

-1.81M

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

90.04K acquired · 1.90M disposed

Non-Derivative Transactions13

Common Stock

Direct

U · U

−1.18M

Price / share

—

Trade value

—

% of position

New position

5/14/2026

1.18M→0.00

Common Stock

Direct

A · Award

+41.25K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

0.00→41.25K

Common Stock

Direct

D · Disposition

−41.25K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

41.25K→0.00

Common Stock

Direct

A · Award

+10.03K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

0.00→10.03K

Common Stock

Direct

D · Disposition

−10.03K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

10.03K→0.00

Common Stock

Direct

A · Award

+12.92K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

0.00→12.92K

Common Stock

Direct

D · Disposition

−12.92K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

12.92K→0.00

Common Stock

Direct

A · Award

+25.84K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

0.00→25.84K

Common Stock

Direct

D · Disposition

−25.84K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

25.84K→0.00

Common Stock

Direct

D · Disposition

−4.91K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

4.91K→0.00

Common Stock

Direct

D · Disposition

−3.37K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

3.37K→0.00

Common Stock

Direct

D · Disposition

−11.28K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

11.28K→0.00

Common Stock

Direct

D · Disposition

−25.84K

Price / share

—

Trade value

—

% of position

New position

5/14/2026

25.84K→0.00

Total

Net shares

−1.22M

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	5/14/2026	U · U	−1.18M	—	—	New position	1.18M	0.00
Common Stock Direct	5/14/2026	A · Award	+41.25K	—	—	New position	0.00	41.25K
Common Stock Direct	5/14/2026	D · Disposition	−41.25K	—	—	New position	41.25K	0.00
Common Stock Direct	5/14/2026	A · Award	+10.03K	—	—	New position	0.00	10.03K
Common Stock Direct	5/14/2026	D · Disposition	−10.03K	—	—	New position	10.03K	0.00
Common Stock Direct	5/14/2026	A · Award	+12.92K	—	—	New position	0.00	12.92K
Common Stock Direct	5/14/2026	D · Disposition	−12.92K	—	—	New position	12.92K	0.00
Common Stock Direct	5/14/2026	A · Award	+25.84K	—	—	New position	0.00	25.84K
Common Stock Direct	5/14/2026	D · Disposition	−25.84K	—	—	New position	25.84K	0.00
Common Stock Direct	5/14/2026	D · Disposition	−4.91K	—	—	New position	4.91K	0.00
Common Stock Direct	5/14/2026	D · Disposition	−3.37K	—	—	New position	3.37K	0.00
Common Stock Direct	5/14/2026	D · Disposition	−11.28K	—	—	New position	11.28K	0.00
Common Stock Direct	5/14/2026	D · Disposition	−25.84K	—	—	New position	25.84K	0.00
Total			−1.22M		$0.00

Derivative Transactions9

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

108.62K shares

−108.62K

Strike price

4.31

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

82.50K shares

−82.50K

Strike price

19.39

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

110K shares

−110K

Strike price

14.95

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

95K shares

−95K

Strike price

13.85

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

50.97K shares

−50.97K

Strike price

35.46

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

56.25K shares

−56.25K

Strike price

44.33

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

45K shares

−45K

Strike price

44.90

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

30.84K shares

−30.84K

Strike price

52.66

Held after

0.00

Exercisable

—

5/14/2026

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

9.80K shares

−9.80K

Strike price

66.30

Held after

0.00

Exercisable

—

5/14/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable
Stock Option (right to buy) Direct	Common Stock108.62K shares	5/14/2026	D · Disposition	−108.62K	4.31	—
Stock Option (right to buy) Direct	Common Stock82.50K shares	5/14/2026	D · Disposition	−82.50K	19.39	—
Stock Option (right to buy) Direct	Common Stock110K shares	5/14/2026	D · Disposition	−110K	14.95	—
Stock Option (right to buy) Direct	Common Stock95K shares	5/14/2026	D · Disposition	−95K	13.85	—
Stock Option (right to buy) Direct	Common Stock50.97K shares	5/14/2026	D · Disposition	−50.97K	35.46	—
Stock Option (right to buy) Direct	Common Stock56.25K shares	5/14/2026	D · Disposition	−56.25K	44.33	—
Stock Option (right to buy) Direct	Common Stock45K shares	5/14/2026	D · Disposition	−45K	44.90	—
Stock Option (right to buy) Direct	Common Stock30.84K shares	5/14/2026	D · Disposition	−30.84K	52.66	—
Stock Option (right to buy) Direct	Common Stock9.80K shares	5/14/2026	D · Disposition	−9.80K	66.30	—