Generation Bio Co.

GBIO

Generation Bio Co.

GBIO

Insider Sentiment (TTM):

Last Purchase:2025-01-13Last Sale:2024-07-01Shares Purchased (TTM):0Shares Sold (TTM):0

Institutional Sentiment:

As of:2025-12-31Institutional Shares Owned:3,981,713Shares Outstanding:6,735,454Institutional Ownership Pct.:59.12%

Earnings Market Reaction:

Filing Date:2025-11-05Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	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	2023-03-31	2022-12-31
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	22	49	51	76	22	28	36	66	93	145	96	93
Marketable Securities Current	68	92	107	109	163	188	184	198	198	169	193	186
Accounts Receivable Related Parties	-	-	-	-	-	-	-	-	-	-	48	-
Receivables Net Current	-	-	-	-	-	-	0	4	1	0	2	0
Accounts Receivable Net Current	0	0	1	1	2	1	-	-	-	-	-	-
Nontrade Receivables Current	-	-	-	-	0	0	-	4	-	-	-	-
Assets Held For Sale Not Part Of Disposal Group Cu…	3	-	-	-	-	-	-	-	-	-	-	-
Prepaid Expense And Other Assets Current	2	4	6	6	4	5	5	4	6	6	7	8
Restricted Cash Current	-	-	0	-	-	-	2	-	-	-	-	-
Assets Current	93	146	165	193	191	223	227	273	298	321	345	287
Marketable Securities Noncurrent	-	-	-	-	15	-	15	-	-	-	-	-
Property Plant And Equipment Net	9	13	14	15	16	17	19	26	22	22	22	22
Operating Lease Right Of Use Asset	17	18	19	20	21	22	23	70	54	56	58	59
Deferred Costs	-	-	-	-	-	0	0	0	0	0	0	0
Restricted Cash Noncurrent	2	2	2	2	2	2	2	6	6	6	6	6
Other Assets Noncurrent	0	0	0	1	3	0	0	1	1	0	1	2
Assets	122	179	201	231	249	265	286	375	381	405	431	376
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	2	2	2	1	2	2	1	2	3	2	2	1
Accrued Liabilities And Other Liabilities	12	6	6	10	6	6	6	17	9	8	8	11
Contract With Customer Liability Current	-	-	-	-	-	-	-	-	-	-	6	-
Deferred Revenue Current	0	2	2	11	12	14	13	13	12	8	-	0
Operating Lease Liability Current	6	10	9	13	11	9	8	8	9	8	8	7
Liabilities Current	21	19	20	35	30	30	28	40	33	26	23	19
Contract With Customer Liability Noncurrent	-	-	-	-	-	-	-	-	-	-	55	-
Deferred Revenue Noncurrent	31	30	30	29	31	34	38	42	46	52	-	0
Operating Lease Liability Noncurrent	20	76	78	81	83	85	88	90	71	72	74	75
Other Liabilities Noncurrent	0	0	0	0	-	-	-	-	-	-	-	-
Liabilities	71	125	128	145	144	150	154	172	150	151	152	94
Stockholders Equity
Preferred Stock Value	0	0	-	-	0	0	0	0	0	0	0	0
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital	795	793	791	789	786	782	778	774	768	762	756	727
Accumulated Other Comprehensive Income Loss Net Of…	0	0	0	0	0	-0	-0	0	-0	-0	0	-0
Retained Earnings Accumulated Deficit	-744	-739	-718	-703	-682	-666	-646	-571	-536	-508	-477	-445
Stockholders Equity	51	54	73	86	104	115	132	203	232	254	279	282
Liabilities And Stockholders Equity	122	179	201	231	249	265	286	375	381	405	431	376
Preferred Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Preferred Stock Shares Authorized	5	5	5	5	5	5	5	5	5	5	5	5
Preferred Stock Shares Issued	0	0	0	0	0	0	0	0	0	0	0	0
Preferred Stock Shares Outstanding	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Shares Authorized	150	150	150	150	150	150	150	150	150	150	150	150
Common Stock Shares Issued	7	7	7	7	7	7	7	7	7	7	7	6
Shares Outstanding	7	7	7	7	7	7	7	7	7	7	7	6

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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
2025	-3.08%	-23.08%	18.21%	47.90%	56.54%	36.05%	2.70%	7.90%	9.54%	-	-	-
2024	14.79%	-23.94%	4.58%	18.92%	9.46%	-3.60%	-36.67%	-55.42%	-60.92%	-27.15%	-14.84%	-26.17%
2023	-20.45%	11.34%	4.25%	5.58%	-15.63%	-75.00%	33.65%	58.65%	71.15%	46.93%	4.69%	10.83%
2022	-	-	-	-	-	-	-	-	-	-15.73%	1.12%	1.80%
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Performance and Valuation Metrics

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Metrics	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	2023-03-31	2022-12-31
Liquidity Ratios
Current Ratio	4.44	7.51	8.43	5.50	6.34	7.42	8.01	6.83	9.07	12.11	15.16	14.99
Quick Ratio	4.33	7.31	8.11	5.32	6.20	7.25	7.82	6.72	8.89	11.88	14.86	14.59
Working Capital	72.42M	126.13M	145.52M	157.85M	161.09M	193.18M	198.54M	232.70M	264.99M	294.14M	322.00M	267.87M
Leverage & Debt
Debt to Equity	1.41	2.32	1.75	1.68	1.38	1.30	1.17	0.84	0.64	0.59	0.55	0.33
Debt Ratio	0.59	0.70	0.64	0.63	0.58	0.56	0.54	0.46	0.39	0.37	0.35	0.25
Efficiency & Turnover
Asset Turnover TTM	0.08	0.10	0.10	0.07	0.06	0.04	0.03	0.02	0.01	0.00	0.00	0.00
Days Sales Outstanding TTM	31.11	13.69	20.69	47.56	28.21	23.23	-	134.62	63.63	439.24	-	-
Receivables Turnover TTM	11.73	26.65	17.64	7.67	12.94	15.71	-	2.71	5.74	0.83	0.00	0.00
Per Share Metrics
Diluted EPS TTM	-9.30	-10.80	-10.74	-19.76	-21.80	-23.81	-25.45	-19.63	-18.79	-19.32	-22.20	-23.51
Free Cash Flow Per Share TTM	-17.03	-12.19	-12.83	-13.65	-15.64	-16.57	-9.83	-9.33	-8.23	-7.60	-16.85	-19.14
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
Margin Metrics
Operating Profit Margin TTM	-457.06%	-381.39%	-331.33%	-715.82%	-846.24%	-1,295.89%	-1,820.04%	-2,346.93%	-4,455.72%	-15,470.68%	-	-
Net Profit Margin TTM	-410.13%	-341.12%	-292.92%	-661.91%	-782.87%	-1,202.56%	-1,696.87%	-2,144.51%	-4,092.23%	-14,417.16%	-	-
Growth Metrics
Net Revenue Growth (1Y)	-17.82%	61.15%	146.47%	236.92%	514.08%	1,397.05%	-	-	-	-	-	-
Net Income Growth (1Y)	-56.95%	-54.29%	-57.45%	3.99%	17.48%	24.87%	26.41%	-7.34%	-8.39%	-6.52%	4.00%	14.68%
EPS Growth (1Y)	-57.34%	-54.63%	-57.81%	0.65%	16.01%	23.23%	14.61%	-16.49%	-18.17%	-18.64%	-1.58%	11.09%
Calculated Values
Free Cash Flow TTM	-114.74M	-81.69M	-85.96M	-90.96M	-104.36M	-110.23M	-65.33M	-60.14M	-54.27M	-49.89M	-101.46M	-111.25M
Net Debt	-24.09M	-51.25M	-53.04M	11.53M	-23.81M	-30.65M	-35.53M	-72.24M	-99.05M	-150.66M	-101.34M	-98.86M
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
NCAV
NCAV Per Share TTM
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

2025-01-13Purchase

Owner: Quinn, Anthony G.

Title: -

Shares: 85,000

Price/Share: $0.97

Value: $82,450.00

Shares Owned: 299,286

Relationship: Director

Ownership: Direct

2024-07-01Sale

Owner: Paone, Antoinette

Title: CHIEF OPERATING OFFICER

Shares: 6,719

Price/Share: $2.74

Value: $18,410.06

Shares Owned: 13,807

Relationship: Officer

Ownership: Direct

2024-01-02Sale

Owner: Paone, Antoinette

Title: CHIEF OPERATING OFFICER

Shares: 2,445

Price/Share: $1.62

Value: $3,960.90

Shares Owned: 5,828

Relationship: Officer

Ownership: Direct

2024-01-02Sale

Owner: Samayoa, Phillip

Title: CHIEF STRATEGY OFFICER

Shares: 2,445

Price/Share: $1.62

Value: $3,960.90

Shares Owned: 107,256

Relationship: Officer

Ownership: Direct

2023-12-08Purchase

Owner: Appelhans, Dannielle

Title: -

Shares: 637

Price/Share: $1.82

Value: $1,159.34

Shares Owned: 12,637

Relationship: Director

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2025-01-13	Quinn, Anthony G.	Director	-	Direct	Purchase	85,000	0.97	$82,450.00	299,286	4
2024-07-01	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	6,719	2.74	$18,410.06	13,807	4
2024-01-02	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	2,445	1.62	$3,960.90	5,828	4
2024-01-02	Samayoa, Phillip	Officer	CHIEF STRATEGY OFFICER	Direct	Sale	2,445	1.62	$3,960.90	107,256	4
2023-12-08	Appelhans, Dannielle	Director	-	Direct	Purchase	637	1.82	$1,159.34	12,637	4
2023-12-04	Rowland, Charles A Jr	Director	-	Direct	Purchase	150,000	1.50	$225,000.00	534,757	4
2023-12-04	Appelhans, Dannielle	Director	-	Direct	Purchase	12,000	1.50	$18,000.00	12,000	4
2023-12-01	Nicholson, Donald William	Director	-	Direct	Purchase	100,000	1.44	$144,000.00	213,576	4
2023-12-01	Quinn, Anthony G.	Director	-	Direct	Purchase	88,495	1.41	$124,777.95	88,495	4
2023-08-23	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	3,116	4.93	$15,361.88	2,914	4
2023-07-03	Samayoa, Phillip	Officer	CHIEF STRATEGY OFFICER	Direct	Sale	3,116	5.29	$16,483.64	101,428	4
2023-04-25	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	2,914	4.61	$13,433.54	0	4
2023-01-26	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	2,695	5.56	$14,984.20	0	4
2023-01-10	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	1,865	4.57	$8,523.05	0	4
2023-01-09	Samayoa, Phillip	Officer	CHIEF STRATEGY OFFICER	Direct	Sale	1,865	5.11	$9,530.15	95,819	4
2022-10-27	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	2,914	5.03	$14,657.42	0	4
2022-09-29	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	2,828	5.24	$14,818.72	0	4
2022-09-19	Rowland, Charles A Jr	Director	-	Direct	Purchase	15,750	5.26	$82,845.00	191,797	4
2022-09-16	Rowland, Charles A Jr	Director	-	Direct	Purchase	33,481	5.48	$183,475.88	176,047	4
2022-09-15	Paone, Antoinette	Officer	CHIEF OPERATING OFFICER	Direct	Sale	4,610	5.32	$24,525.20	2,828	4
2022-09-14	Rowland, Charles A Jr	Director	-	Direct	Purchase	5,600	5.30	$29,680.00	125,419	4
2022-03-10	Nicholson, Donald William	Director	-	Direct	Purchase	8,126	4.71	$38,273.46	113,576	4
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Institutional Ownership

No data available for chart

2025-12-31

59.12%

Inst. Shares: 3,981,713

Shares Outstanding: 6,735,454

2025-09-30

48.26%

Inst. Shares: 3,250,858

Shares Outstanding: 6,735,454

2025-06-30

47.35%

Inst. Shares: 3,174,392

Shares Outstanding: 6,703,586

2025-03-31

55.82%

Inst. Shares: 3,740,370

Shares Outstanding: 6,700,251

2024-12-31

65.48%

Inst. Shares: 4,362,738

Shares Outstanding: 6,662,425

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2025-12-31	3,981,713	6,735,454	59.12%
2025-09-30	3,250,858	6,735,454	48.26%
2025-06-30	3,174,392	6,703,586	47.35%
2025-03-31	3,740,370	6,700,251	55.82%
2024-12-31	4,362,738	6,662,425	65.48%
2024-09-30	4,519,099	6,673,846	67.71%
2024-06-30	4,535,228	6,653,100	68.17%
2024-03-31	4,479,019	6,643,364	67.42%
2023-12-31	4,165,948	6,448,352	64.60%
2023-09-30	4,304,445	6,590,700	65.31%
2023-06-30	4,264,481	6,565,615	64.95%
2023-03-31	4,259,912	6,023,008	70.73%
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Generation Bio Co. (GBIO) — SEC Financial Statements & Analysis

Generation Bio Co. (GBIO) is a pharmaceutical preparations company. Generation Bio Co. trades on Nasdaq as: GBIO. Based on its latest SEC filing (Form 10-Q, period ending 2025-09-30), Generation Bio Co. reported a -17.82% year-over-year revenue growth, a Debt-to-Equity ratio of 1.41x. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: -17.82%
Debt To Equity: 1.41x

Data as of 2025-09-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is Generation Bio Co. in?

Generation Bio Co. (GBIO) operates in the Pharmaceutical Preparations industry.

What exchange does GBIO trade on?

Generation Bio Co. (GBIO) trades on the Nasdaq.