ATLAS VENTURE OPPORTUNITY FUND I, L.P.

PrivateCIK: 1759241
Location

CAMBRIDGE, MA

Insider sale

DISC MEDICINE, INC.

$43.68M

508.58K shares

What this filing means

ATLAS VENTURE OPPORTUNITY FUND I, L.P. plans to sell 508.58K shares of DISC MEDICINE, INC. valued at approximately $43.68M. 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.

IssuerDISC MEDICINE, INC.CIK 1816736
10% Owner
Since Feb 2021
508.58K
Shares to sell
$43.68M
Approx. market value
25K
Acquired (3 months)
1
Planned
21 completed
Securities Acquired — Last 3 Months1
Sort

Private Placement

Cash

10/7/2020
25K
Total acquired25K
Planned & Completed Dispositions22
Sort

Completed

Completed

Units to sell

17.43K

Market value

$1.59M

12/15/2025
Completed

Units to sell

15.40K

Market value

$1.41M

12/15/2025
Completed

Units to sell

32.03K

Market value

$2.93M

12/15/2025
Completed

Units to sell

6.16K

Market value

$564.2K

12/15/2025
Completed

Units to sell

36.88K

Market value

$3.36M

12/15/2025
Completed

Units to sell

8.01K

Market value

$733.5K

12/15/2025
Completed

Units to sell

8.85K

Market value

$805.4K

12/15/2025
Completed

Units to sell

6.84K

Market value

$622.3K

12/15/2025
Completed

Units to sell

9.48K

Market value

$876.0K

12/12/2025
Completed

Units to sell

49.30K

Market value

$4.55M

12/12/2025
Completed

Units to sell

12.32K

Market value

$1.14M

12/12/2025
Completed

Units to sell

23.70K

Market value

$2.19M

12/12/2025
Completed

Units to sell

35K

Market value

$3.11M

10/17/2025
Completed

Units to sell

50K

Market value

$4.44M

10/17/2025
Completed

Units to sell

35K

Market value

$3.11M

10/17/2025
Completed

Units to sell

1.43K

Market value

$109.9K

10/16/2025
Completed

Units to sell

1.43K

Market value

$109.9K

10/16/2025
Completed

Units to sell

22.16K

Market value

$1.71M

10/15/2025
Completed

Units to sell

22.16K

Market value

$1.71M

10/15/2025
Completed

Units to sell

71.96K

Market value

$5.08M

10/8/2025
Completed

Units to sell

18.04K

Market value

$1.23M

10/7/2025

Planned — Approximate Date

NASDAQ GMPlanned

Units to sell

25K

Market value

$2.29M

12/16/2025
Total

Units

508.58K

Value

$43.68M

ATLAS VENTURE OPPORTUNITY FUND I, L.P. — Planned Insider Sale (Form 144) | Finecho