Atlas Venture Fund XI, L.P.

Insider Reports History

Location
Cambridge, MA
Signature
Atlas Venture Fund XI, L.P., By: Atlas Venture Associates XI, L.P., its general partner, by Atlas Venture Associates XI, LLC, its general partner, By: /s/ Ommer Chohan, Chief Financial Officer
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Atlas Venture Fund XI, L.P.:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Dyne Therapeutics, Inc. 10%+ Owner Common Stock 5.7M $144M $25.25 Feb 28, 2024 Direct
Third Harmonic Bio, Inc. 10%+ Owner Common Stock 9.8M $140M $14.30 Nov 1, 2024 Direct
Day One Biopharmaceuticals, Inc. 10%+ Owner Common Stock 6.01M $70.2M $11.69 Dec 12, 2022 Direct
Dyne Therapeutics, Inc. 10%+ Owner Common Stock 864K $21.8M $25.25 Feb 28, 2024 Indirect
Ikena Oncology, Inc. 10%+ Owner Common Stock 1.24M $6.67M $5.37 Dec 14, 2021 Direct
Ikena Oncology, Inc. 10%+ Owner Common Stock 875K $4.7M $5.37 Mar 30, 2021 Indirect
Xilio Therapeutics, Inc. 10%+ Owner Common Stock 2.02M $1.29M $0.64 Feb 8, 2024 Direct
Xilio Therapeutics, Inc. 10%+ Owner Common Stock 735K $470K $0.64 Feb 8, 2024 Indirect
Sionna Therapeutics, Inc. 10%+ Owner Common Stock 2.89M Feb 10, 2025 Direct
Sionna Therapeutics, Inc. 10%+ Owner Common Stock 808K Feb 10, 2025 By Atlas Venture Opportunity Fund II, L.P.
Sionna Therapeutics, Inc. 10%+ Owner Series A convertible preferred stock 0 Feb 10, 2025 Direct
Sionna Therapeutics, Inc. 10%+ Owner Series B convertible preferred stock 0 Feb 10, 2025 Direct
Sionna Therapeutics, Inc. 10%+ Owner Series C convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Opportunity Fund II, L.P.
Sionna Therapeutics, Inc. 10%+ Owner Series C convertible preferred stock 0 Feb 10, 2025 Direct
Sionna Therapeutics, Inc. 10%+ Owner Series Seed convertible preferred stock 0 Feb 10, 2025 Direct

Insider Reports Filed by Atlas Venture Fund XI, L.P.

Symbol Company Period Transactions Value $ Form Type Date Filed Role
SION Sionna Therapeutics, Inc. Feb 10, 2025 8 $1.08M 4 Feb 10, 2025 10%+ Owner
SION Sionna Therapeutics, Inc. Feb 6, 2025 0 $0 3 Feb 6, 2025 10%+ Owner
THRD Third Harmonic Bio, Inc. Nov 1, 2024 1 $0 4 Nov 5, 2024 10%+ Owner
DYN Dyne Therapeutics, Inc. Feb 26, 2024 18 -$19.6M 4 Feb 28, 2024 10%+ Owner
DYN Dyne Therapeutics, Inc. Feb 21, 2024 6 -$11.3M 4 Feb 23, 2024 10%+ Owner
DYN Dyne Therapeutics, Inc. Feb 15, 2024 5 -$11.9M 4 Feb 20, 2024 10%+ Owner
XLO Xilio Therapeutics, Inc. Feb 8, 2024 2 -$640 4 Feb 9, 2024 10%+ Owner
XLO Xilio Therapeutics, Inc. Jan 11, 2024 4 -$3.6K 4 Jan 16, 2024 10%+ Owner
DAWN Day One Biopharmaceuticals, Inc. Dec 12, 2022 1 $0 4 Dec 14, 2022 10%+ Owner
DAWN Day One Biopharmaceuticals, Inc. Sep 19, 2022 1 $0 4 Sep 21, 2022 10%+ Owner
THRD Third Harmonic Bio, Inc. Sep 19, 2022 7 $5.1M 4 Sep 19, 2022 10%+ Owner
THRD Third Harmonic Bio, Inc. Sep 14, 2022 0 $0 3 Sep 14, 2022 10%+ Owner
DAWN Day One Biopharmaceuticals, Inc. Nov 24, 2021 1 $0 4 Nov 29, 2021 10%+ Owner
XLO Xilio Therapeutics, Inc. Oct 26, 2021 7 $3M 4 Oct 26, 2021 10%+ Owner
XLO Xilio Therapeutics, Inc. Oct 21, 2021 0 $0 3 Oct 21, 2021 10%+ Owner
DYN Dyne Therapeutics, Inc. Jul 13, 2021 1 $0 4 Jul 15, 2021 10%+ Owner
DAWN Day One Biopharmaceuticals, Inc. May 26, 2021 0 $0 3 May 26, 2021 10%+ Owner
IKNA Ikena Oncology, Inc. Mar 30, 2021 4 $1.61M 4 Dec 14, 2021 10%+ Owner
DAWN Day One Biopharmaceuticals, Inc. Feb 1, 2021 7 $8M 4 Jun 2, 2021 10%+ Owner