DELONG MARK JEFFREY

PrivateCIK: 1856078
Location

WALTHAM, MA

Senior insider sale

Senior Vice President at APELLIS PHARMACEUTICALS, INC. — senior position signals high conviction

$147.4K

6.85K shares

What this filing means

DELONG MARK JEFFREY plans to sell 6.85K shares of APELLIS PHARMACEUTICALS, INC. valued at approximately $147.4K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderDELONG MARK JEFFREYCIK 1856078
Officer· Senior Vice President
Since Mar 2021
6.85K
Shares to sell
$147.4K
Approx. market value
368.00
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Vesting

Compensation

2/10/2026
368.00
Total acquired368.00
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

3.37K

Market value

$73.4K

1/22/2026
Completed

Units to sell

1.33K

Market value

$26.4K

1/20/2026
Completed

Units to sell

1.78K

Market value

$39.5K

1/13/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

368.00

Market value

$8.2K

2/11/2026
Total

Units

6.85K

Value

$147.4K

DELONG MARK JEFFREY — Planned Insider Sale (Form 144) | Finecho