MPM BioVentures 2014, L.P. — Insider Trades & Holdings | InsiderBid

MPM BioVentures 2014, L.P.

Form 4 filings across 3 companies. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$10.9M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
TRDA	Entrada Therapeutics, Inc.	$0	$3.6M	-$3.6M	3.9M	Sep 9
HOWL	Werewolf Therapeutics, Inc.	$0	$2.2M	-$2.2M	4.8M	Dec 4, 2025
ITOS	iTeos Therapeutics, Inc.	$0	$5.1M	-$5.1M	2.1M	May 13, 2025

Entrada Therapeutics, Inc.

-$3.6M

Bought

$0

Sold

$3.6M

Held

3.9M

Werewolf Therapeutics, Inc.

-$2.2M

Bought

$0

Sold

$2.2M

Held

4.8M

iTeos Therapeutics, Inc.

-$5.1M

Bought

$0

Sold

$5.1M

Held

2.1M

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

1 of 15 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 21 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Company	Past deadline	Largest line	Source
Mar 27, 2025	Apr 29, 2025	HOWLWerewolf Therapeutics, Inc.	21days	$2.1K	Filing ↗

Werewolf Therapeutics, Inc.

21days

Traded Mar 27, 2025 · filed Apr 29, 2025Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays.

Trade history

The 45 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Sep 9	TRDA	Entrada Therapeutics, Inc.	SSELL	28,837	$7.13	$205.6K	-0.7%	Open the original filing on SEC.gov
Sep 8	TRDA	Entrada Therapeutics, Inc.	SSELL	192,500	$7.41	$1.4M	-4.7%

TRDASSELL$205.6K

Entrada Therapeutics, Inc.Sep 9

28,837 sh @ $7.13 · -0.7% own

TRDASSELL$1.4M

Entrada Therapeutics, Inc.Sep 8

192,500 sh @ $7.41 · -4.7% own

TRDASSELL$273.7K

Entrada Therapeutics, Inc.Sep 4

38,500 sh @ $7.11 · -0.9% own

TRDASSELL$231.3K

Entrada Therapeutics, Inc.Sep 3

32,263 sh @ $7.17 · -0.8% own

TRDASSELL$180.7K

Entrada Therapeutics, Inc.Sep 2

25,131 sh @ $7.19 · -0.6% own

TRDASSELL$205.4K

Entrada Therapeutics, Inc.Sep 1

29,088 sh @ $7.06 · -0.7% own

TRDASSELL$309.4K

Entrada Therapeutics, Inc.Aug 31

44,259 sh @ $6.99 · -1.0% own

TRDASSELL$26.2K

Entrada Therapeutics, Inc.Aug 28

3,733 sh @ $7.01 · <0.1% own

TRDASSELL$280.2K

Entrada Therapeutics, Inc.Aug 27

38,922 sh @ $7.20 · -0.9% own

TRDASSELL$102.9K

Entrada Therapeutics, Inc.Aug 26

14,569 sh @ $7.06 · -0.3% own

TRDASSELL$200K

Entrada Therapeutics, Inc.Aug 25

26,522 sh @ $7.54 · -0.6% own

TRDASSELL$158.7K

Entrada Therapeutics, Inc.Aug 24

21,623 sh @ $7.34 · -0.5% own

HOWLSSELL◷$80.7K

Werewolf Therapeutics, Inc.Dec 4, 2025

83,230 sh @ $0.97 · -1.7% own

HOWLSSELL◷$49.8K

Werewolf Therapeutics, Inc.Dec 3, 2025

57,225 sh @ $0.87 · -1.2% own

HOWLSSELL◷$52.8K

Werewolf Therapeutics, Inc.Dec 2, 2025

59,277 sh @ $0.89 · -1.2% own

HOWLSSELL◷$57.3K

Werewolf Therapeutics, Inc.Dec 1, 2025

60,917 sh @ $0.94 · -1.2% own

HOWLSSELL◷$20.1K

Werewolf Therapeutics, Inc.Nov 28, 2025

20,277 sh @ $0.99 · -0.4% own

HOWLSSELL◷$59.5K

Werewolf Therapeutics, Inc.Nov 26, 2025

60,733 sh @ $0.98 · -1.2% own

HOWLSSELL◷$39.1K

Werewolf Therapeutics, Inc.Nov 25, 2025

42,533 sh @ $0.92 · -0.8% own

HOWLSSELL◷$87K

Werewolf Therapeutics, Inc.Nov 24, 2025

88,802 sh @ $0.98 · -1.7% own

HOWLSSELL◷$53.4K

Werewolf Therapeutics, Inc.Nov 21, 2025

64,331 sh @ $0.83 · -1.2% own

HOWLSSELL◷$36.6K

Werewolf Therapeutics, Inc.Nov 20, 2025

41,152 sh @ $0.89 · -0.8% own

HOWLSSELL◷$62.3K

Werewolf Therapeutics, Inc.Nov 19, 2025

66,324 sh @ $0.94 · -1.2% own

HOWLSSELL◷$48.9K

Werewolf Therapeutics, Inc.Nov 18, 2025

52,627 sh @ $0.93 · -1.0% own

HOWLSSELL◷$54.2K

Werewolf Therapeutics, Inc.Nov 17, 2025

57,061 sh @ $0.95 · -1.0% own

HOWLSSELL◷$57.3K

Werewolf Therapeutics, Inc.Nov 14, 2025

61,640 sh @ $0.93 · -1.1% own

HOWLSSELL◷$89.1K

Werewolf Therapeutics, Inc.Nov 13, 2025

90,951 sh @ $0.98 · -1.6% own

HOWLSSELL◷$44.3K

Werewolf Therapeutics, Inc.Nov 12, 2025

40,669 sh @ $1.09 · -0.7% own

HOWLSSELL◷$63.6K

Werewolf Therapeutics, Inc.Nov 11, 2025

55,810 sh @ $1.14 · -1.0% own

HOWLSSELL◷$57.3K

Werewolf Therapeutics, Inc.Nov 10, 2025

48,570 sh @ $1.18 · -0.8% own

HOWLSSELL◷$76K

Werewolf Therapeutics, Inc.Nov 7, 2025

68,480 sh @ $1.11 · -1.2% own

HOWLSSELL◷$65.9K

Werewolf Therapeutics, Inc.Nov 6, 2025

54,452 sh @ $1.21 · -0.9% own

HOWLSSELL◷$58.5K

Werewolf Therapeutics, Inc.Nov 5, 2025

47,950 sh @ $1.22 · -0.8% own

HOWLSSELL◷$171.4K

Werewolf Therapeutics, Inc.Nov 4, 2025

140,488 sh @ $1.22 · -2.3% own

HOWLSSELL◷$121.3K

Werewolf Therapeutics, Inc.Nov 3, 2025

94,063 sh @ $1.29 · -1.5% own

HOWLSSELL◷$146K

Werewolf Therapeutics, Inc.Oct 31, 2025

114,044 sh @ $1.28 · -1.8% own

HOWLSSELL◷$124.3K

Werewolf Therapeutics, Inc.Oct 30, 2025

86,936 sh @ $1.43 · -1.4% own

HOWLSSELL◷$208.1K

Werewolf Therapeutics, Inc.Oct 29, 2025

134,240 sh @ $1.55 · -2.0% own

HOWLSSELL◷$113.3K

Werewolf Therapeutics, Inc.Oct 28, 2025

69,068 sh @ $1.64 · -1.0% own

HOWLSSELL◷$125.1K

Werewolf Therapeutics, Inc.Oct 27, 2025

72,709 sh @ $1.72 · -1.1% own

ITOSSSELL$5.1M

iTeos Therapeutics, Inc.May 13, 2025

630,191 sh @ $8.06 · -23.0% own

HOWLXXITM◆—

Werewolf Therapeutics, Inc.Mar 27, 2025

18,743 sh

HOWLXXITM◆—

Werewolf Therapeutics, Inc.Mar 27, 2025

4,015 sh

HOWLSSELL$2.1K

Werewolf Therapeutics, Inc.Mar 27, 2025

1,963 sh @ $1.05 · <0.1% own

HOWLXXITM$2K

Werewolf Therapeutics, Inc.Mar 27, 2025

22,758 sh @ $0.09 · +0.7% own