Insider · CIK 0001441858

New Leaf Venture Associates II, L.P.

CIK 0001441858 Name as filed on the most recent filing

Filed as New Leaf Venture Associates II, L.P. (16)

21 transaction lines · from 16 filings · filed 2010-01-28 to 2019-08-15 The span is the filing dates this catalog holds, not the entity's full filing history. Absence here is not evidence of absence at the SEC.

How this page attributes a trade

A line appears here when the filing that carries it names this CIK as a reporting owner, not only when the parser picked this CIK as the line's primary owner. That is why a joint filing appears on both owners' pages rather than vanishing from the second one. The catalog never merges two CIKs into one person and never splits one CIK into two: identity here is the SEC's own identifier and nothing else.

01

Issuers this insider has filed against

Ordered by last-seen filing date, newest first. Roles are as filed on the Form 4 and are not normalised.

02

Transactions

Every stored Form 4 line naming this reporting owner, newest transaction date first. Each row links to the filing it came from.

0 transactions · Newest transaction date first, id breaking the tie.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-22 05:23 UTC.

Transactions filed by this insider
Direction Date Code Company Value USD Filing
2019-08-13 S, Open-market sale Principia Biopharma Inc.PRNB 2 lines 10,500,000, disposed Open Form 4 filing 0000899243-19-021804
2018-09-18 P, Open-market purchase Principia Biopharma Inc.PRNB 4,590,000, acquired Open Form 4 filing 0001209191-18-051834
2016-10-25 P, Open-market purchase iRhythm Technologies, Inc.IRTC 425,000, acquired Open Form 4 filing 0000899243-16-032257
2015-03-24 S, Open-market sale MEI Pharma, Inc.MEIP 3,160,183, disposed Open Form 4 filing 0001012975-15-000251
2014-12-18 S, Open-market sale Versartis, Inc.VSAR 2,851,845, disposed Open Form 4 filing 0001012975-14-000821
2014-12-09 S, Open-market sale MEI Pharma, Inc.MEIP 421,082, disposed Open Form 4 filing 0001012975-14-000787
2014-12-08 S, Open-market sale MEI Pharma, Inc.MEIP 54,495, disposed Open Form 4 filing 0001012975-14-000787
2014-11-11 S, Open-market sale Versartis, Inc.VSAR 15,496,000, disposed Open Form 4 filing 0001012975-14-000716
2014-09-29 S, Open-market sale Versartis, Inc.VSAR 251,331, disposed Open Form 4 filing 0001012975-14-000646
2014-03-27 P, Open-market purchase Versartis, Inc.VSAR 1,261,200, acquired Open Form 4 filing 0001012975-14-000212
2013-11-21 S, Open-market sale MEI Pharma, Inc.MEIP 3,011,250, disposed Open Form 4 filing 0001012975-13-000535
2013-05-08 S, Open-market sale MEI Pharma, Inc.MEIP 845,000, disposed Open Form 4 filing 0001012975-13-000166
2013-05-06 S, Open-market sale MEI Pharma, Inc.MEIP 870,000, disposed Open Form 4 filing 0001012975-13-000166
2013-04-19 S, Open-market sale MEI Pharma, Inc.MEIP 1,326,039, disposed Open Form 4 filing 0001012975-13-000157
2013-04-18 S, Open-market sale MEI Pharma, Inc.MEIP 857,000, disposed Open Form 4 filing 0001012975-13-000157
2013-02-19 S, Open-market sale MEI Pharma, Inc.MEIP 2,040,000, disposed Open Form 4 filing 0001012975-13-000059
2013-02-15 S, Open-market sale MEI Pharma, Inc.MEIP 1,301,685, disposed Open Form 4 filing 0001012975-13-000059
2012-07-24 P, Open-market purchase Durata Therapeutics, Inc.DRTX 7,058,817, acquired Open Form 4 filing 0001181431-12-042325
2010-10-19 P, Open-market purchase World Heart CorpWHRT 4,999,999, acquired Open Form 4 filing 0001012975-10-000373
2010-01-26 P, Open-market purchase World Heart CorpWHRT 2,000,003, acquired Open Form 4 filing 0001012975-10-000025

This column is intentionally blank

No transaction line is stored for this reporting owner, though the catalog holds filings naming them. That happens when the filings report only holdings or only positions the store does not carry, and when a parse failed; each filing page states its own parse status.

Codes on this page
S, Open-market sale
Open-market sale
P, Open-market purchase
Open-market purchase

Every value is as reported on the Form 4, totalled to the dollar. Share counts, the price per share and the full list of reporting owners are on each filing's own page, which every row here opens. A row marked n lines adds up that many filed lines of one filing, on one day, on one side of the market; a filing whose lines fall across two pages is left as its lines on both, so no total here is ever short.

What this insider's stored lines contain

No transaction line is stored for this entity, so there is nothing to break down by code. The catalog holds its filings; what it does not hold is a single reportable line from them, which is a fact about the parse and about these filings, not about the entity.

How to cite this page

ebomi catalog. New Leaf Venture Associates II, L.P., insider transactions. Retrieved 2026-08-22 from https://ebomi.com/insider/0001441858

Balogh, A. Insider trading. Scientific Data 10, 237 (2023) doi:10.1038/s41597-023-02147-6

This page as JSON The JSON twin is shaped by the same read model as this page, so the two cannot disagree. Its envelope carries the canonical URL, the retrieval time, the coverage claim, and the licence statement.