Transaction · 0001231919-26-001143

MPM BIOVENTURES 2018 (B), L.P.

MPM BIOVENTURES 2018 (B), L.P., 10% Owner, reported an open-market or private sale at Entrada Therapeutics, Inc. involving 29088.000000 shares for an estimated $205361.28. Reported holdings after the transaction were 4202346.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code S10%
TRDAEntrada Therapeutics, Inc.
Filing timeSep 03
Trade dateSep 01, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$7.17
Pre-filing
1mo ago1w ago1d ago -1.7%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

TRDA price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
TRDA since 2026-09-03Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001231919-26-001143
Common Stock
Transaction date
Sep 01, 2026
Filed Sep 03, 2026, 11:21 PM · 2d delay
Shares
29.0k sh
$706 per share
Estimated value
-$20.5M
Computed from shares × price
Holdings after
4.20M sh
Indirect · See Footnote

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Repeat Seller
+4score
Filing-only score

+4

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    The shares were sold as follows: 13,208 by MPM BioVentures 2014, L.P. ("BV 2014"), 881 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 455 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"),…

  2. F2

    Price represents the weighted average sale price of the shares sold. The sale price ranged from $6.80 to $7.15 per share. Upon request by the Commission staff, the Issuer, or a security holder of the…

  3. F3

    The shares are held as follows: 1,908,217 by BV 2014, 127,274 by BV 2014(B), 65,681 by AM BV2014, 1,958,433 by BV 2018, 104,089 by BV 2018(B) and 38,652 by AM BV2018.

  4. F4

    Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

  5. F5

    The shares were sold as follows: 11,412 by BV 2014, 761 by BV 2014(B), 393 by AM BV2014, 11,712 by BV 2018, 622 by BV 2018(B) and 231 by AM BV2018.

  6. F6

    Price represents the weighted average sale price of the shares sold. The sale price ranged from $6.9601 to $7.3273 per share. Upon request by the Commission staff, the Issuer, or a security holder of…

  7. F7

    The shares are held as follows: 1,896,805 by BV 2014, 126,513 by BV 2014(B), 65,288 by AM BV2014, 1,946,721 by BV 2018, 103,467 by BV 2018(B) and 38,421 by AM BV2018.

  8. F8

    The shares were sold as follows: 14,650 by BV 2014, 977 by BV 2014(B), 504 by AM BV2014, 15,036 by BV 2018, 799 by BV 2018(B) and 297 by AM BV2018.

  9. F9

    Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.0434 to $7.405 per share. Upon request by the Commission staff, the Issuer, or a security holder of t…

  10. the number of shares sold at each separate price within the range set forth in this Form 4.

  11. F10

    The shares are held as follows: 1,882,155 by BV 2014, 125,536 by BV 2014(B), 64,784 by AM BV2014, 1,931,685 by BV 2018, 102,668 by BV 2018(B) and 38,124 by AM BV2018.

Original filing · 0001231919-26-001143
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