INSMED INC

Ticker: INSM CUSIP: 457669307 Class: EQTY

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 642,719 Value ($000) $111,859 Avg Close $182.48 Range $143.18 - $212.75

Q3 2025

Shares 868,772 Value ($000) $125,112 Avg Close $122.51 Range $95.01 - $149.08

Q2 2025

Shares 1,343,212 Value ($000) $135,181 Avg Close $76.46 Range $60.40 - $106.83

Q1 2025

Shares 2,423,513 Value ($000) $184,890 Avg Close $76.49 Range $61.50 - $84.91

Q4 2024

Shares 2,363,561 Value ($000) $163,180 Avg Close $72.02 Range $64.86 - $78.83

Q3 2024

Shares 2,450,093 Value ($000) $178,857 Avg Close $73.80 Range $61.52 - $80.53

Q2 2024

Shares 2,492,275 Value ($000) $166,982 Avg Close $38.78 Range $21.92 - $70.65

Q1 2024

Shares 2,146,479 Value ($000) $58,234 Avg Close $27.99 Range $25.06 - $31.14

Q4 2023

Shares 2,147,902 Value ($000) $66,563 Avg Close $25.93 Range $23.04 - $32.00

Q3 2023

Shares 2,294,796 Value ($000) $57,944 Avg Close $22.87 Range $19.74 - $27.59

Q2 2023

Shares 2,524,643 Value ($000) $53,270 Avg Close $18.97 Range $16.26 - $21.21

Q1 2023

Shares 2,474,388 Value ($000) $42,188 Avg Close $19.43 Range $16.04 - $22.23

Q4 2022

Shares 2,604,184 Value ($000) $52,032 Avg Close $19.33 Range $16.74 - $23.26

Q3 2022

Shares 2,508,562 Value ($000) $54,034 Avg Close $23.98 Range $19.58 - $28.94

Q2 2022

Shares 2,810,224 Value ($000) $55,418 Avg Close $20.95 Range $16.41 - $26.00

Q1 2022

Shares 2,949,049 Value ($000) $69,303 Avg Close $23.23 Range $20.02 - $28.74

Q4 2021

Shares 2,819,013 Value ($000) $76,790 Avg Close $28.59 Range $25.48 - $34.44

Q3 2021

Shares 2,215,802 Value ($000) $61,023 Avg Close $26.23 Range $22.00 - $29.55

Q2 2021

Shares 2,046,355 Value ($000) $58,239 Avg Close $29.68 Range $23.95 - $36.97

Q1 2021

Shares 1,820,242 Value ($000) $61,997 Avg Close $38.22 Range $31.69 - $45.44

Q4 2020

Shares 1,832,886 Value ($000) $61,017 Avg Close $36.53 Range $30.03 - $42.71

Q3 2020

Shares 2,101,261 Value ($000) $67,535 Avg Close $28.74 Range $25.21 - $35.32

Q2 2020

Shares 1,693,034 Value ($000) $46,626 Avg Close $23.71 Range $13.77 - $30.18

Q1 2020

Shares 123,900 Value ($000) $1,986 Avg Close $23.70 Range $12.09 - $34.94

Q4 2019

Shares 118,700 Value ($000) $2,835 Avg Close $20.34 Range $15.99 - $25.04

Q3 2019

Shares 106,900 Value ($000) $1,886 Avg Close $19.31 Range $15.33 - $26.25

Q2 2019

Shares 179,854 Value ($000) $4,604 Avg Close $27.86 Range $22.25 - $33.13

Q1 2019

Shares 136,152 Value ($000) $3,958 Avg Close $25.92 Range $12.85 - $31.50

Q4 2018

Shares 112,400 Value ($000) $1,475 Avg Close $15.96 Range $11.31 - $20.85

Q3 2018

Shares 114,000 Value ($000) $2,305 Avg Close $22.61 Range $18.64 - $31.58

Q2 2018

Shares 114,000 Value ($000) $2,696 Avg Close $25.74 Range $19.53 - $29.75

Q1 2018

Shares 181,800 Value ($000) $4,094 Avg Close $26.32 Range $21.38 - $33.94

Q4 2017

Shares 152,800 Value ($000) $4,764 Avg Close $29.54 Range $25.81 - $32.94

Q3 2017

Shares 135,000 Value ($000) $4,213 Avg Close $19.05 Range $11.49 - $31.39

Q2 2017

Shares 90,700 Value ($000) $1,556 Avg Close $17.08 Range $14.61 - $19.35

Q1 2017

Shares 86,900 Value ($000) $1,522 Avg Close $15.42 Range $12.74 - $17.51

Q4 2016

Shares 86,900 Value ($000) $1,150 Avg Close $13.64 Range $10.21 - $15.49

Q3 2016

Shares 86,900 Value ($000) $1,262 Avg Close $12.52 Range $9.75 - $15.35

Q2 2016

Shares 86,900 Value ($000) $857 Avg Close $11.67 Range $9.02 - $14.53

Q1 2016

Shares 86,900 Value ($000) $1,101 Avg Close $13.15 Range $10.53 - $18.60

Q4 2015

Shares 90,600 Value ($000) $1,644 Avg Close $17.62 Range $15.31 - $21.14

Q3 2015

Shares 90,600 Value ($000) $1,682 Avg Close $24.96 Range $17.07 - $28.66

Q2 2015

Shares 90,700 Value ($000) $2,215 Avg Close $22.70 Range $19.87 - $25.39

Q1 2015

Shares 60,200 Value ($000) $1,252 Avg Close $17.62 Range $13.93 - $22.59

Q4 2014

Shares 60,200 Value ($000) $931 Avg Close $14.19 Range $12.17 - $16.79

Q3 2014

Shares 60,200 Value ($000) $786 Avg Close $15.08 Range $11.25 - $20.33

Q2 2014

Shares 60,200 Value ($000) $1,203 Avg Close $14.81 Range $11.82 - $20.49

Q1 2014

Shares 55,105 Value ($000) $1,049 Avg Close $19.00 Range $15.55 - $22.29

Q4 2013

Shares 54,005 Value ($000) $919 Avg Close $15.31 Range $12.17 - $17.60

Q3 2013

Shares 54,005 Value ($000) $843 Avg Close $12.70 Range $9.00 - $16.50

Q2 2013

Shares 17,588 Value ($000) $210 Avg Close $10.22 Range $6.56 - $14.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	642,719	$111,859	$182.48	$143.18 - $212.75
Q3 2025	868,772	$125,112	$122.51	$95.01 - $149.08
Q2 2025	1,343,212	$135,181	$76.46	$60.40 - $106.83
Q1 2025	2,423,513	$184,890	$76.49	$61.50 - $84.91
Q4 2024	2,363,561	$163,180	$72.02	$64.86 - $78.83
Q3 2024	2,450,093	$178,857	$73.80	$61.52 - $80.53
Q2 2024	2,492,275	$166,982	$38.78	$21.92 - $70.65
Q1 2024	2,146,479	$58,234	$27.99	$25.06 - $31.14
Q4 2023	2,147,902	$66,563	$25.93	$23.04 - $32.00
Q3 2023	2,294,796	$57,944	$22.87	$19.74 - $27.59
Q2 2023	2,524,643	$53,270	$18.97	$16.26 - $21.21
Q1 2023	2,474,388	$42,188	$19.43	$16.04 - $22.23
Q4 2022	2,604,184	$52,032	$19.33	$16.74 - $23.26
Q3 2022	2,508,562	$54,034	$23.98	$19.58 - $28.94
Q2 2022	2,810,224	$55,418	$20.95	$16.41 - $26.00
Q1 2022	2,949,049	$69,303	$23.23	$20.02 - $28.74
Q4 2021	2,819,013	$76,790	$28.59	$25.48 - $34.44
Q3 2021	2,215,802	$61,023	$26.23	$22.00 - $29.55
Q2 2021	2,046,355	$58,239	$29.68	$23.95 - $36.97
Q1 2021	1,820,242	$61,997	$38.22	$31.69 - $45.44
Q4 2020	1,832,886	$61,017	$36.53	$30.03 - $42.71
Q3 2020	2,101,261	$67,535	$28.74	$25.21 - $35.32
Q2 2020	1,693,034	$46,626	$23.71	$13.77 - $30.18
Q1 2020	123,900	$1,986	$23.70	$12.09 - $34.94
Q4 2019	118,700	$2,835	$20.34	$15.99 - $25.04
Q3 2019	106,900	$1,886	$19.31	$15.33 - $26.25
Q2 2019	179,854	$4,604	$27.86	$22.25 - $33.13
Q1 2019	136,152	$3,958	$25.92	$12.85 - $31.50
Q4 2018	112,400	$1,475	$15.96	$11.31 - $20.85
Q3 2018	114,000	$2,305	$22.61	$18.64 - $31.58
Q2 2018	114,000	$2,696	$25.74	$19.53 - $29.75
Q1 2018	181,800	$4,094	$26.32	$21.38 - $33.94
Q4 2017	152,800	$4,764	$29.54	$25.81 - $32.94
Q3 2017	135,000	$4,213	$19.05	$11.49 - $31.39
Q2 2017	90,700	$1,556	$17.08	$14.61 - $19.35
Q1 2017	86,900	$1,522	$15.42	$12.74 - $17.51
Q4 2016	86,900	$1,150	$13.64	$10.21 - $15.49
Q3 2016	86,900	$1,262	$12.52	$9.75 - $15.35
Q2 2016	86,900	$857	$11.67	$9.02 - $14.53
Q1 2016	86,900	$1,101	$13.15	$10.53 - $18.60
Q4 2015	90,600	$1,644	$17.62	$15.31 - $21.14
Q3 2015	90,600	$1,682	$24.96	$17.07 - $28.66
Q2 2015	90,700	$2,215	$22.70	$19.87 - $25.39
Q1 2015	60,200	$1,252	$17.62	$13.93 - $22.59
Q4 2014	60,200	$931	$14.19	$12.17 - $16.79
Q3 2014	60,200	$786	$15.08	$11.25 - $20.33
Q2 2014	60,200	$1,203	$14.81	$11.82 - $20.49
Q1 2014	55,105	$1,049	$19.00	$15.55 - $22.29
Q4 2013	54,005	$919	$15.31	$12.17 - $17.60
Q3 2013	54,005	$843	$12.70	$9.00 - $16.50
Q2 2013	17,588	$210	$10.22	$6.56 - $14.30