UnannouncedVCRaise

Filed before 2025Filed 15 September 2015

Proteostasis Therapeutics, Inc. raised $22M

Proteostasis Therapeutics, Inc., a biotech company based in Cambridge, MA, raised $22M in a new convertible round, according to a filing dated 15 September 2015.

Raises filed before 2025 are not checked for a public announcement.

Watch Proteostasis Therapeutics, Inc. Share on X Read the filing ↗
Filed
15 September 2015
Round
Convertible round
Amount sold
$22M
Offering size
$28M
Investors so far
9
Based in
Cambridge, MA

Investors on the board

Firms come from the venture funds whose filings name a director of this company.

Who is on the board

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How it compares

Larger than 82% of the 1,574 tracked raises with an amount filed in 2015, and than 76% of the 132 in biotech.

Proteostasis Therapeutics, Inc. in public filings

FiledFilingSoldRaise
15 Sep 2015New filing$22MThis raise
15 Sep 2015Amended filing$15MAnother raise
7 Oct 2014Amended filing$5MAnother raise
14 Aug 2014New filing$3.01MAnother raise

Everything on Proteostasis Therapeutics, Inc.

More with Antler Special on the board

  1. Proactive Living, INC$55KFiled before 20254 Feb 2019 · Columbia, SC
  2. Achaogen Inc$25.4MFiled before 202514 Jun 2016 · South San Francisco, CA

All 4 raises

Other unannounced rounds

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  2. ProvenAir Technologies, Inc.$488KUnannounced · 1 day17 Sep 2026 · Chicago, IL
  3. Gravitics, Inc.$17MUnannounced · 1 day17 Sep 2026 · Marysville, WA
  4. SurgiBox Inc.$486KUnannounced · 1 day17 Sep 2026 · Cambridge, MA
  5. Voxel Labs Inc.$10MUnannounced · 1 day17 Sep 2026 · San Francisco, CA
  6. DVx Atomic Co.$18.5MUnannounced · 2 days16 Sep 2026 · Boston, MA

All unannounced rounds

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