Annexon, Inc.

ANNX

Annexon, Inc.

ANNX

Insider Sentiment (TTM):

Last Purchase:2026-05-28Last Sale:2026-03-02Shares Purchased (TTM):1,613,685Shares Sold (TTM):59,697

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:154,159,862Shares Outstanding:194,200,100Institutional Ownership Pct.:79.38%

Earnings Market Reaction:

Filing Date:2026-05-07Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30	2023-06-30
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	175	162	139	132	97	49	80	157	152	225	133	114
Available For Sale Securities Debt Securities Curr…	50	76	49	95	167	263	261	211	113	35	32	79
Prepaid Expense And Other Assets Current	3	4	4	4	4	4	4	5	6	4	4	5
Assets Current	228	242	193	231	268	316	344	374	271	264	169	198
Restricted Cash Noncurrent	1	1	1	1	1	1	1	1	1	1	1	1
Property Plant And Equipment Net	10	11	11	12	12	13	13	14	14	15	15	16
Operating Lease Right Of Use Asset	15	15	16	16	16	17	17	17	18	18	18	19
Other Assets Noncurrent	9	9	9	5	5	3	3	-	0	-	-	-
Assets	263	278	229	265	303	350	379	406	304	298	204	233
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	18	15	18	12	10	10	7	4	4	5	5	7
Accrued Liabilities Current	-	-	-	-	-	-	-	11	7	10	10	9
Operating Lease Liability Current	3	3	3	3	3	3	2	2	2	2	2	2
Other Liabilities Current	-	-	-	-	-	-	-	0	0	0	0	0
Liabilities Current	36	43	44	41	34	31	20	17	13	18	17	18
Operating Lease Liability Noncurrent	22	23	24	25	26	26	27	28	29	29	30	30
Liabilities	58	66	68	66	59	57	47	45	42	47	47	48
Stockholders Equity
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital	1,166	1,129	1,031	1,013	1,009	1,004	993	988	860	823	702	697
Accumulated Other Comprehensive Income Loss Net Of…	-0	-0	-0	-0	-0	0	0	-0	-0	-0	-0	-0
Retained Earnings Accumulated Deficit	-962	-917	-869	-814	-765	-711	-662	-627	-598	-572	-545	-512
Stockholders Equity	205	212	161	199	244	293	332	361	262	251	157	185
Liabilities And Stockholders Equity	263	278	229	265	303	350	379	406	304	298	204	233
Common Stock Par Or Stated Value Per Share	-	0.001	-	-	-	0.001	-	-	-	0.001	-	-
Common Stock Shares Authorized	-	300	-	-	-	300	-	-	-	300	-	-
Common Stock Shares Issued	-	149	-	-	-	109	-	-	-	78	-	-
Shares Outstanding	-	149	-	-	-	109	-	-	-	78	-	-

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10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-1.81%	-0.72%	-5.43%	-	-	-	-	-	-	-	-	-
2025	46.89%	63.28%	38.42%	-8.82%	34.03%	32.77%	54.70%	57.38%	109.40%	18.55%	7.06%	-1.21%
2024	17.86%	-7.80%	22.59%	2.50%	12.12%	29.77%	-19.43%	-14.53%	-39.34%	-5.86%	-21.34%	-11.72%
2023	-43.24%	-32.95%	-38.86%	-15.65%	-31.59%	-39.71%	17.26%	104.87%	78.32%	-33.72%	-37.06%	-18.31%
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Performance and Valuation Metrics

Metrics	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30	2023-06-30
Liquidity Ratios
Current Ratio	6.35	5.68	4.42	5.67	7.99	10.37	17.18	21.81	20.62	14.72	9.85	11.04
Quick Ratio	6.26	5.59	4.33	5.59	7.86	10.23	16.97	21.50	20.17	14.49	9.63	10.78
Working Capital	192.33M	199.56M	149.24M	189.98M	234.62M	285.95M	324.25M	356.82M	257.61M	245.93M	152.00M	179.67M
Leverage & Debt
Debt to Equity	0.29	0.31	0.42	0.33	0.24	0.19	0.14	0.12	0.16	0.19	0.30	0.26
Debt Ratio	0.22	0.24	0.30	0.25	0.20	0.16	0.12	0.11	0.14	0.16	0.23	0.21
Efficiency & Turnover
Asset Turnover TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Per Share Metrics
Diluted EPS TTM	-1.01	-1.33	-1.40	-1.27	-1.13	-1.01	-0.84	-0.88	-0.98	-1.77	-1.87	-1.90
Free Cash Flow Per Share TTM	-0.94	-1.20	-1.18	-1.05	-0.94	-0.86	-0.75	-0.78	-0.95	-1.61	-1.66	-1.70
Dividend Per Share TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Growth Metrics
Net Income Growth (1Y)	17.38%	49.56%	77.77%	63.93%	38.63%	2.95%	-16.51%	-19.64%	-16.88%	-5.43%	-2.90%	-1.50%
EPS Growth (1Y)	-10.48%	32.49%	66.81%	43.83%	14.82%	-43.30%	-55.05%	-53.54%	-49.96%	-31.67%	-11.52%	-49.48%
Valuation Metrics
P/E TTM	-5.48	-3.77	-2.18	-1.89	-1.71	-5.10	-7.05	-5.54	-7.28	-2.56	-1.26	-1.85
P/B TTM	5.26	3.68	2.82	1.79	1.17	2.40	2.50	1.77	3.35	1.37	1.13	1.43
Market Cap	1.08B	778.63M	454.83M	355.97M	285.85M	704.88M	828.40M	637.65M	879.57M	343.56M	177.81M	264.81M
Enterprise Value	899.63M	615.55M	314.38M	222.65M	187.70M	654.35M	747.83M	479.32M	726.59M	117.41M	43.62M	150.16M
Calculated Values
Free Cash Flow TTM	-183.16M	-186.49M	-176.59M	-156.26M	-139.88M	-118.02M	-105.48M	-101.94M	-116.64M	-121.50M	-125.44M	-127.85M
Net Debt	-176.24M	-163.08M	-140.45M	-133.32M	-98.15M	-50.53M	-80.57M	-158.34M	-152.97M	-226.14M	-134.19M	-114.65M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
Valuation Ratios
P/CF TTM
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-05-28Purchase

Owner: Satter, Muneer A

Title: -

Shares: 613,497

Price/Share: $5.41

Value: $3,319,018.77

Shares Owned: 10,342,134

Relationship: Director

Ownership: Indirect

2026-05-11Purchase

Owner: Carson, William H.

Title: -

Shares: 8,000

Price/Share: $5.78

Value: $46,240.00

Shares Owned: 78,405

Relationship: Director

Ownership: Direct

2026-04-10Purchase

Owner: Carson, William H.

Title: -

Shares: 8,000

Price/Share: $6.20

Value: $49,600.00

Shares Owned: 70,405

Relationship: Director

Ownership: Direct

2026-03-10Purchase

Owner: Carson, William H.

Title: -

Shares: 8,000

Price/Share: $5.67

Value: $45,360.00

Shares Owned: 62,405

Relationship: Director

Ownership: Direct

2026-03-02Sale

Owner: Dananberg, Jamie

Title: CHIEF MEDICAL OFFICER

Shares: 5,820

Price/Share: $5.43

Value: $31,602.60

Shares Owned: 123,582

Relationship: Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-05-28	Satter, Muneer A	Director	-	Indirect	Purchase	613,497	5.41	$3,319,018.77	10,342,134	4
2026-05-11	Carson, William H.	Director	-	Direct	Purchase	8,000	5.78	$46,240.00	78,405	4
2026-04-10	Carson, William H.	Director	-	Direct	Purchase	8,000	6.20	$49,600.00	70,405	4
2026-03-10	Carson, William H.	Director	-	Direct	Purchase	8,000	5.67	$45,360.00	62,405	4
2026-03-02	Dananberg, Jamie	Officer	CHIEF MEDICAL OFFICER	Direct	Sale	5,820	5.43	$31,602.60	123,582	4
2026-03-02	Artis, Dean Richard	Officer	EVP & CHIEF SCIENTIFIC OFFICER	Direct	Sale	5,894	5.43	$32,004.42	180,093	4
2026-03-02	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	5,565	5.42	$30,162.30	170,700	4
2026-03-02	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	4,339	5.42	$23,517.38	182,625	4
2026-03-02	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	5,566	5.42	$30,167.72	154,161	4
2026-02-18	Dananberg, Jamie	Officer	CHIEF MEDICAL OFFICER	Direct	Sale	5,290	5.10	$26,979.00	73,152	4
2026-02-18	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	7,857	5.11	$40,149.27	97,227	4
2026-02-18	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	7,851	5.11	$40,118.61	113,765	4
2026-02-18	Artis, Dean Richard	Officer	EVP & CHIEF SCIENTIFIC OFFICER	Direct	Sale	5,290	5.10	$26,979.00	123,487	4
2026-02-18	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	6,225	5.10	$31,747.50	124,464	4
2025-12-30	Carson, William H.	Director	-	Direct	Purchase	4,115	5.02	$20,657.30	54,405	4
2025-12-01	Carson, William H.	Director	-	Direct	Purchase	4,115	4.47	$18,394.05	50,290	4
2025-12-01	Choi, Jung	Director	-	Indirect	Purchase	33,000	4.19	$138,270.00	33,000	4
2025-11-21	Satter, Muneer A	Director	-	Indirect	Purchase	422,613	4.28	$1,808,783.64	9,728,637	4
2025-11-19	Satter, Muneer A	Director	-	Indirect	Purchase	500,000	3.94	$1,970,000.00	8,906,024	4
2025-10-30	Carson, William H.	Director	-	Direct	Purchase	4,115	3.17	$13,044.55	46,175	4
2025-09-30	Carson, William H.	Director	-	Direct	Purchase	4,115	3.05	$12,550.75	42,060	4
2025-09-02	Carson, William H.	Director	-	Direct	Purchase	4,115	2.09	$8,600.35	37,945	4
2025-07-30	Carson, William H.	Director	-	Direct	Purchase	4,115	2.43	$9,999.45	33,830	4
2025-07-14	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	853	2.61	$2,226.33	130,689	4
2025-07-14	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	1,117	2.58	$2,881.86	121,616	4
2025-07-14	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	1,116	2.58	$2,879.28	105,084	4
2025-06-30	Carson, William H.	Director	-	Direct	Purchase	4,115	2.46	$10,122.90	29,715	4
2025-02-18	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	6,618	2.95	$19,523.10	86,579	4
2025-02-18	Dananberg, Jamie	Officer	CHIEF MEDICAL OFFICER	Direct	Sale	5,521	2.96	$16,342.16	33,479	4
2025-02-18	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	8,345	2.91	$24,283.95	61,237	4
2025-02-18	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	6,912	2.92	$20,183.04	77,770	4
2025-02-18	Artis, Dean Richard	Officer	EVP & CHIEF SCIENTIFIC OFFICER	Direct	Sale	5,515	2.97	$16,379.55	83,814	4
2025-02-13	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	1,783	2.99	$5,331.17	69,582	4
2025-02-13	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	1,425	2.99	$4,260.75	93,197	4
2025-02-13	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	1,786	2.98	$5,322.28	84,682	4
2025-02-13	Love, Douglas	Director,Officer	PRESIDENT AND CEO	Direct	Sale	5,021	2.95	$14,811.95	351,554	4
2024-12-02	Carson, William H.	Director	-	Direct	Purchase	3,200	5.33	$17,056.00	25,600	4
2024-10-15	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	5,408	7.41	$40,073.28	71,365	4
2024-10-01	Carson, William H.	Director	-	Direct	Purchase	3,200	5.97	$19,104.00	22,400	4
2024-09-19	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Indirect	Sale	4,500	7.10	$31,950.00	0	4
2024-09-12	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Indirect	Sale	5,500	6.16	$33,880.00	4,500	4
2024-09-05	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Indirect	Sale	5,500	5.64	$31,020.00	10,000	4
2024-09-03	Carson, William H.	Director	-	Direct	Purchase	3,200	5.48	$17,536.00	19,200	4
2024-08-29	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Indirect	Sale	5,500	5.95	$32,725.00	15,500	4
2024-08-01	Carson, William H.	Director	-	Direct	Purchase	3,200	6.24	$19,968.00	16,000	4
2024-07-15	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	1,106	6.02	$6,658.12	71,365	4
2024-07-15	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	784	6.02	$4,719.68	94,622	4
2024-07-15	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	1,104	6.03	$6,657.12	86,468	4
2024-07-01	Carson, William H.	Director	-	Direct	Purchase	3,200	5.00	$16,000.00	12,800	4
2024-06-03	Carson, William H.	Director	-	Direct	Purchase	3,200	4.83	$15,456.00	9,600	4
2024-05-01	Carson, William H.	Director	-	Direct	Purchase	3,200	4.68	$14,976.00	6,400	4
2024-04-08	Carson, William H.	Director	-	Direct	Purchase	3,200	6.07	$19,424.00	3,200	4
2024-02-20	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	2,593	5.53	$14,339.29	82,058	4
2024-02-20	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	1,951	5.48	$10,691.48	85,641	4
2024-02-20	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	2,604	5.51	$14,348.04	72,471	4
2024-02-12	Yednock, Ted	Officer	EVP & CHIEF INNOVATION OFFICER	Direct	Sale	1,810	5.54	$10,027.40	36,075	4
2024-02-12	Love, Douglas	Director,Officer	PRESIDENT AND CEO	Direct	Sale	5,782	5.54	$32,032.28	196,121	4
2024-02-12	Lew, Jennifer	Officer	EVP & CHIEF FINANCIAL OFFICER	Direct	Sale	1,809	5.54	$10,021.86	45,651	4
2024-02-12	Overdorf, Michael	Officer	EVP & CHIEF BUSINESS OFFICER	Direct	Sale	1,349	5.53	$7,459.97	48,592	4
2023-12-27	Yednock, Ted	Officer	EVP & Chief Innovation Officer	Direct	Sale	21,000	4.52	$94,920.00	0	4
2023-12-27	Yednock, Ted	Officer	EVP & Chief Innovation Officer	Direct	Sale	21,000	4.52	$94,920.00	37,885	4/A
2023-12-26	Satter, Muneer A	Director,TenPercentOwner	-	Indirect	Purchase	350,000	2.88	$1,008,000.00	7,406,024	4
2023-07-11	Overdorf, Michael	Officer	EVP & Chief Business Officer	Direct	Sale	978	3.84	$3,755.52	45,802	4
2023-07-11	Lew, Jennifer	Officer	EVP & Chief Financial Officer	Direct	Sale	1,057	3.84	$4,058.88	47,460	4
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Institutional Ownership

No data available for chart

2026-03-31

79.38%

Inst. Shares: 154,159,862

Shares Outstanding: 194,200,100

2025-12-31

87.34%

Inst. Shares: 135,474,925

Shares Outstanding: 155,105,832

2025-09-30

67.15%

Inst. Shares: 100,135,718

Shares Outstanding: 149,123,701

2025-06-30

66.01%

Inst. Shares: 97,909,078

Shares Outstanding: 148,320,803

2025-03-31

66.24%

Inst. Shares: 98,100,606

Shares Outstanding: 148,108,809

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	154,159,862	194,200,100	79.38%
2025-12-31	135,474,925	155,105,832	87.34%
2025-09-30	100,135,718	149,123,701	67.15%
2025-06-30	97,909,078	148,320,803	66.01%
2025-03-31	98,100,606	148,108,809	66.24%
2024-12-31	110,094,933	137,404,145	80.12%
2024-09-30	107,829,562	139,933,019	77.06%
2024-06-30	105,143,719	130,132,960	80.80%
2024-03-31	91,237,356	122,673,202	74.37%
2023-12-31	78,465,961	75,673,081	103.69%
2023-09-30	51,772,095	75,342,495	68.72%
2023-06-30	52,244,940	75,230,003	69.45%
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Annexon, Inc. (ANNX) — SEC Financial Statements & Analysis

Annexon, Inc. (ANNX) is a pharmaceutical preparations company, incorporated in DE. Annexon, Inc. trades on Nasdaq as: ANNX. Based on its latest SEC filing (Form 10-Q, period ending 2026-03-31), Annexon, Inc. reported a Debt-to-Equity ratio of 0.29x, a Price-to-Book (P/B) ratio of 5.26 (TTM), at a market cap of $1.08B. Figures below are sourced from SEC EDGAR, as-filed.

Debt To Equity: 0.29x
P/B TTM: 5.26
Market Cap: $1.08B

Data as of 2026-03-31 · Source: SEC EDGAR

Frequently Asked Questions

What industry is Annexon, Inc. in?

Annexon, Inc. (ANNX) operates in the Pharmaceutical Preparations industry.

What is ANNX's market cap?

Annexon, Inc. (ANNX) has a market capitalization of $1.08B as of 2026-03-31.

What exchange does ANNX trade on?

Annexon, Inc. (ANNX) trades on the Nasdaq.

Where is Annexon, Inc. incorporated?

Annexon, Inc. is incorporated in DE.

Annexon, Inc. (ANNX) — SEC Financial Statements & Analysis

Frequently Asked Questions

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