Insider · CIK 0001441439

New Leaf Ventures II, L.P.

CIK 0001441439 Name as filed on the most recent filing

Filed as New Leaf Ventures II, L.P. (17)

22 transaction lines · from 17 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.

1 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 2026-08-21 05:23 UTC.

Transactions filed by this insider
Direction Date Issuer Code Shares Price Value USD Filing
2019-08-13 Principia Biopharma Inc.
PRNB
S, Open-market sale 250,009 disposed 35.00 8,750,315.00 Form 4, filing 0000899243-19-021804
2019-08-13 Principia Biopharma Inc.
PRNB
S, Open-market sale 49,991 disposed 35.00 1,749,685.00 Form 4, filing 0000899243-19-021804
2018-09-18 Principia Biopharma Inc.
PRNB
P, Open-market purchase 270,000 acquired 17.00 4,590,000.00 Form 4, filing 0001209191-18-051834
2016-10-25 iRhythm Technologies, Inc.
IRTC
P, Open-market purchase 25,000 acquired 17.00 425,000.00 Form 4, filing 0000899243-16-032257
2015-03-24 MEI Pharma, Inc.
MEIP
S, Open-market sale 1,601,390 disposed 1.97 3,160,183.03 Form 4, filing 0001012975-15-000251
2014-12-18 Versartis, Inc.
VSAR
S, Open-market sale 150,000 disposed 19.01 2,851,845.00 Form 4, filing 0001012975-14-000821
2014-12-09 MEI Pharma, Inc.
MEIP
S, Open-market sale 70,081 disposed 6.01 421,081.69 Form 4, filing 0001012975-14-000787
2014-12-08 MEI Pharma, Inc.
MEIP
S, Open-market sale 9,004 disposed 6.05 54,494.91 Form 4, filing 0001012975-14-000787
2014-11-11 Versartis, Inc.
VSAR
S, Open-market sale 800,000 disposed 19.37 15,496,000.00 Form 4, filing 0001012975-14-000716
2014-09-29 Versartis, Inc.
VSAR
S, Open-market sale 12,556 disposed 20.02 251,330.94 Form 4, filing 0001012975-14-000646
2014-03-27 Versartis, Inc.
VSAR
P, Open-market purchase 60,000 acquired 21.02 1,261,200.00 Form 4, filing 0001012975-14-000212
2013-11-21 MEI Pharma, Inc.
MEIP
S, Open-market sale 365,000 disposed 8.25 3,011,250.00 Form 4, filing 0001012975-13-000535
2013-10-23 Chimerix Inc
CMRX
S, Open-market sale 585,602 disposed 15.51 9,082,687.02 Form 4, filing 0001144204-13-056506
2013-05-08 MEI Pharma, Inc.
MEIP
S, Open-market sale 100,000 disposed 8.45 845,000.00 Form 4, filing 0001012975-13-000166
2013-05-06 MEI Pharma, Inc.
MEIP
S, Open-market sale 100,000 disposed 8.70 870,000.00 Form 4, filing 0001012975-13-000166
2013-04-19 MEI Pharma, Inc.
MEIP
S, Open-market sale 157,300 disposed 8.43 1,326,039.00 Form 4, filing 0001012975-13-000157
2013-04-18 MEI Pharma, Inc.
MEIP
S, Open-market sale 100,000 disposed 8.57 857,000.00 Form 4, filing 0001012975-13-000157
2013-02-19 MEI Pharma, Inc.
MEIP
S, Open-market sale 300,000 disposed 6.80 2,040,000.00 Form 4, filing 0001012975-13-000059
2013-02-15 MEI Pharma, Inc.
MEIP
S, Open-market sale 197,225 disposed 6.60 1,301,685.00 Form 4, filing 0001012975-13-000059
2012-07-24 Durata Therapeutics, Inc.
DRTX
P, Open-market purchase 784,313 acquired 9.00 7,058,817.00 Form 4, filing 0001181431-12-042325
2010-10-19 World Heart Corp
WHRT
P, Open-market purchase 2,341,920 acquired 2.14 4,999,999.20 Form 4, filing 0001012975-10-000373
2010-01-26 World Heart Corp
WHRT
P, Open-market purchase 388,350 acquired 5.15 2,000,002.50 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. A price the filing did not report is marked Not reported and no value is computed from it. Codes outside the open market, drawn in grey behind a dashed rule, are compensation and administrative machinery rather than a decision to trade at the prevailing price.

What this insider's stored lines contain

Exact counts over every stored line for this entity. This is a statement of composition, not a filter: the only filter this page offers is the open-market one above, because that is the only one an index serves today.

  • Open-market purchase 0
  • Open-market sale 1
  • Option exercise 0
  • Grant or award 0
  • Tax withholding 0
  • Disposition to the issuer 0
  • In-the-money option exercise 0

How to cite this page

ebomi catalog. New Leaf Ventures II, L.P., insider transactions. Retrieved 2026-08-21 from https://ebomi.com/insider/0001441439

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.