Insider sale

KYMERA THERAPEUTICS, INC.

$50.00M

525.66K shares

What this filing means

ATLAS VENTURE OPPORTUNITY FUND I, L.P. plans to sell 525.66K shares of KYMERA THERAPEUTICS, INC. valued at approximately $50.00M. 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.

ATLAS VENTURE OPPORTUNITY FUND I, L.P.

Filed: 6/23/2026ACC: 0001628280-26-044985

InsiderATLAS VENTURE OPPORTUNITY FUND I, L.P.CIK 1759241

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IssuerKYMERA THERAPEUTICS, INC.CIK 1815442

10% Owner

Since Aug 2020

525.66K

Shares to sell

$50.00M

Approx. market value

173.00

Acquired (3 months)

Planned

14 completed

Securities Acquired — Last 3 Months1

Sort

Private Placement

Cash

3/11/2020

173.00

Total acquired173.00

Acquisition Date	Type	Amount Acquired	Gift
3/11/2020	Private Placement Cash	173.00	—
Total		173.00

Planned & Completed Dispositions15

Sort

Completed

—Completed

Units to sell

34.15K

Market value

$3.39M

6/22/2026

—Completed

Units to sell

243.98K

Market value

$24.18M

6/22/2026

—Completed

Units to sell

14.13K

Market value

$1.29M

6/18/2026

—Completed

Units to sell

100.93K

Market value

$9.19M

6/18/2026

—Completed

Units to sell

11.74K

Market value

$1.06M

6/17/2026

—Completed

Units to sell

12.90K

Market value

$1.17M

6/17/2026

—Completed

Units to sell

92.17K

Market value

$8.33M

6/17/2026

—Completed

Units to sell

5.90K

Market value

$530.7K

4/22/2026

—Completed

Units to sell

88.00

Market value

$7.9K

4/22/2026

—Completed

Units to sell

12.00

Market value

$1.1K

4/22/2026

—Completed

Units to sell

2.20K

Market value

$197.9K

4/15/2026

—Completed

Units to sell

2.75K

Market value

$247.8K

4/15/2026

—Completed

Units to sell

385.00

Market value

$34.7K

4/15/2026

—Completed

Units to sell

4.16K

Market value

$374.2K

4/14/2026

Planned — Approximate Date

NasdaqPlanned

Units to sell

173.00

Market value

$17.2K

6/23/2026

Total

Units

525.66K

Value

$50.00M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
6/22/2026	34.15K	$3.39M	—	Completed
6/22/2026	243.98K	$24.18M	—	Completed
6/18/2026	14.13K	$1.29M	—	Completed
6/18/2026	100.93K	$9.19M	—	Completed
6/17/2026	11.74K	$1.06M	—	Completed
6/17/2026	12.90K	$1.17M	—	Completed
6/17/2026	92.17K	$8.33M	—	Completed
4/22/2026	5.90K	$530.7K	—	Completed
4/22/2026	88.00	$7.9K	—	Completed
4/22/2026	12.00	$1.1K	—	Completed
4/15/2026	2.20K	$197.9K	—	Completed
4/15/2026	2.75K	$247.8K	—	Completed
4/15/2026	385.00	$34.7K	—	Completed
4/14/2026	4.16K	$374.2K	—	Completed
Planned — Approximate Date
6/23/2026	173.00	$17.2K	Nasdaq	Planned
Total	525.66K	$50.00M