Annexon, Inc. (ANNX) Insider Trading Activity

NASDAQ$4.89
Market Cap
$584.82M
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
54 of 888
Rank in Industry
43 of 508

ANNX Insider Trading Activity

ANNX Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$8,887,423
13
62
Sells
$104,699
8
38

Related Transactions

Satter Muneer Adirector
5
$8.66M
0
$0
$8.66M
Choi Jungdirector
1
$138,270
0
$0
$138,270
Carson William H.director
7
$93,369
0
$0
$93,369
Love DouglasPRESIDENT AND CEO
0
$0
1
$14,812
$-14,812
Dananberg JamieCHIEF MEDICAL OFFICER
0
$0
1
$16,342
$-16,342
ARTIS DEAN RICHARDEVP & CHIEF SCIENTIFIC OFFICER
0
$0
1
$16,380
$-16,380
Overdorf MichaelEVP & CHIEF BUSINESS OFFICER
0
$0
3
$26,010
$-26,010
Lew JenniferEVP & CHIEF FINANCIAL OFFICER
0
$0
3
$28,387
$-28,387
Yednock TedEVP & CHIEF INNOVATION OFFICER
0
$0
3
$32,494
$-32,494

About Annexon, Inc.

Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops therapeutics for autoimmune, neurodegenerative, and ophthalmic disorders. The company's C1q is an initiating molecule of the classical complement pathway that targets distinct disease processes, such as antibody-mediated autoimmune disease and complement-mediated neurodegeneration. Its product candidates include ANX005, a monoclonal antibody, which is in Phase II/III clinical trials to treat patients with guillain- barré syndrome; Phase II trial in patients with warm autoimmune hemolytic anemia; and Phase II clinical trial for Huntington's disease and amyotrophic lateral sclerosis. The company is also developing ANX009 that is in Phase Ib trial in patients with lupus nephritis; and ANX007, which is in Phase II clinical trials to treat patients with geographic atrophy. In addition, it develops ANX105, an investigational monoclonal antibody targeting neurodegenerative indications; and ANX1502, an investigational oral small molecule for the treatment of certain autoimmune indications. The company was incorporated in 2011 and is headquartered in Brisbane, California.

Insider Activity of Annexon, Inc.

Over the last 12 months, insiders at Annexon, Inc. have bought $8.89M and sold $104,699 worth of Annexon, Inc. stock.

On average, over the past 5 years, insiders at Annexon, Inc. have bought $7.21M and sold $683,242 worth of stock each year.

Highest buying activity among insiders over the last 12 months: Satter Muneer A (director) — $8.66M. Choi Jung (director) — $138,270. Carson William H. (director) — $93,369.

The last purchase of 4,115 shares for transaction amount of $20,657 was made by Carson William H. (director) on 2025‑12‑30.

List of Insider Buy and Sell Transactions, Annexon, Inc.

2025-12-30PurchaseCarson William H.director
4,115
0.0034%
$5.02
$20,657
+17.86%
2025-12-01PurchaseCarson William H.director
4,115
0.0037%
$4.47
$18,394
+28.93%
2025-12-01PurchaseChoi Jungdirector
33,000
0.028%
$4.19
$138,270
+28.93%
2025-11-21PurchaseSatter Muneer Adirector
422,613
0.3542%
$4.28
$1.81M
+21.43%
2025-11-20PurchaseSatter Muneer Adirector
400,000
0.3509%
$4.48
$1.79M
+21.31%
2025-11-19PurchaseSatter Muneer Adirector
500,000
0.4057%
$3.94
$1.97M
+27.46%
2025-11-18PurchaseSatter Muneer Adirector
500,000
0.4155%
$3.18
$1.59M
+61.56%
2025-11-17PurchaseSatter Muneer Adirector
500,000
0.4139%
$2.99
$1.5M
+70.20%
2025-10-30PurchaseCarson William H.director
4,115
0.0039%
$3.17
$13,045
+70.99%
2025-09-30PurchaseCarson William H.director
4,115
0.0037%
$3.05
$12,551
+52.46%
2025-09-02PurchaseCarson William H.director
4,115
0.0038%
$2.09
$8,600
+97.83%
2025-07-30PurchaseCarson William H.director
4,115
0.0035%
$2.43
$9,999
+22.39%
2025-07-14SaleOverdorf MichaelEVP & CHIEF BUSINESS OFFICER
853
0.0008%
$2.61
$2,226
+19.92%
2025-07-14SaleLew JenniferEVP & CHIEF FINANCIAL OFFICER
1,117
0.001%
$2.58
$2,882
+19.92%
2025-07-14SaleYednock TedEVP & CHIEF INNOVATION OFFICER
1,116
0.001%
$2.58
$2,879
+19.92%
2025-06-30PurchaseCarson William H.director
4,115
0.0038%
$2.46
$10,123
+28.13%
2025-02-18SaleOverdorf MichaelEVP & CHIEF BUSINESS OFFICER
6,618
0.006%
$2.95
$19,523
-3.33%
2025-02-18SaleARTIS DEAN RICHARDEVP & CHIEF SCIENTIFIC OFFICER
5,515
0.005%
$2.97
$16,380
-3.33%
2025-02-18SaleLew JenniferEVP & CHIEF FINANCIAL OFFICER
6,912
0.0062%
$2.92
$20,183
-3.33%
2025-02-18SaleYednock TedEVP & CHIEF INNOVATION OFFICER
8,345
0.0074%
$2.91
$24,284
-3.33%
Total: 80
*Gray background shows transactions not older than one year

Insider Historical Profitability

8.52%
Satter Muneer Adirector
9728637
8.1346%
$47.57M80
+2.91%
Overdorf MichaelEVP & CHIEF BUSINESS OFFICER
130689
0.1093%
$639,069.2109
Lew JenniferEVP & CHIEF FINANCIAL OFFICER
121616
0.1017%
$594,702.24112
+33.07%
Yednock TedEVP & CHIEF INNOVATION OFFICER
105084
0.0879%
$513,860.76016
ARTIS DEAN RICHARDEVP & CHIEF SCIENTIFIC OFFICER
83814
0.0701%
$409,850.4601
Carson William H.director
54405
0.0455%
$266,040.45150
<0.0001%
Dananberg JamieCHIEF MEDICAL OFFICER
33479
0.028%
$163,712.3101
Choi Jungdirector
33000
0.0276%
$161,370.0010
Bain Capital Life Sciences Investors, LLC10 percent owner
5701926
4.7677%
$27.88M20
+48.68%
Clarus Lifesciences III, L.P.10 percent owner
2730635
2.2832%
$13.35M10
+33.07%
Flynn James E10 percent owner
808914
0.6764%
$3.96M10
+33.07%
Love DouglasPRESIDENT AND CEO
351554
0.294%
$1.72M110
+135.71%
Keswani SanjayEVP & Chief Medical Officer
0
0%
$001
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$3,611,891
113
13.40%
$578.31M
$860,541,348
82
-5.10%
$518.06M
$63,049,419
31
2.87%
$534.69M
$24,857,912
21
-35.40%
$673.39M
$3,556,951
18
9.64%
$530.03M
$46,858,891
18
-11.58%
$573.63M
Annexon, Inc.
(ANNX)
$59,102,045
17
8.52%
$584.82M
$7,254,955
14
20.70%
$622.95M
$92,357,691
12
87.24%
$672.13M
$19,167,169
10
28.48%
$575.2M
$75,069,528
10
19.77%
$557.19M
$140,543,039
10
0.77%
$599.66M
$11,541,901
10
8.07%
$723.12M
$38,624,786
9
1.26%
$684.69M
$49,165,200
7
12.92%
$658.1M
$94,000,000
7
-20.84%
$595.69M
$1,746,565
4
-29.05%
$528.02M
$7,234,370
3
-3.34%
$604.62M
$300,016
1
-50.33%
$548.94M

ANNX Institutional Investors: Active Positions

Increased Positions85+63.91%18M+18.13%
Decreased Positions54-40.6%15M-15.06%
New Positions31New7MNew
Sold Out Positions21Sold Out9MSold Out
Total Postitions164+23.31%103M+3.07%

ANNX Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Fmr Llc$51,971.007.64%11.08M-5M-29.4%2025-09-30
Blackrock, Inc.$37,046.005.45%7.9M-63,360-0.8%2025-09-30
Bvf Inc/Il$32,830.004.83%7M00%2025-09-30
Redmile Group, Llc$29,550.004.35%6.3M00%2025-09-30
Vanguard Group Inc$27,367.004.02%5.84M+469,073+8.74%2025-09-30
Bain Capital Life Sciences Investors, Llc$24,618.003.62%5.25M00%2025-09-30
Bellevue Group Ag$24,188.003.56%5.16M00%2025-09-30
Morgan Stanley$14,210.002.09%3.03M+2M+263.93%2025-09-30
Millennium Management Llc$13,239.001.95%2.82M+308,689+12.28%2025-09-30
Woodline Partners Lp$12,374.001.82%2.64M+2M+150.38%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.