Lipocine (LPCN)

Lipocine on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq.

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351K

Short interest

settlement 2026-10-15

1.0

Days to cover

-1.3 days vs prior

51.0%

Short share of volume

2026-11-02

149

Fails to deliver

settlement 2026-10-13

Thu 5 Nov

Next earnings

estimated date

$82K

Insider flow, 90 days

3 buys, 0 sells

As of 2026-11-02.

Short interest

FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSON

As of 15 October 2026, short interest in LPCN is 351,433 shares, up 251,989 shares over the last month. Over the last 48 readings it ranged from 37,193 shares (15 January 2025) to 351,433 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 9.6M shares a day that is 1.0 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-10-15	351,433	+259.3%	9,616,895	1.00
2026-09-30	97,816	-1.6%	43,279	2.26
2026-09-15	99,444	-1.5%	21,690	4.58
2026-08-31	100,992	+7.0%	33,532	3.01
2026-08-14	94,427	-14.9%	50,342	1.88
2026-07-31	110,962	-9.8%	31,167	3.56
2026-07-15	123,024	-13.2%	41,201	2.99
2026-06-30	141,719	-7.0%	86,489	1.64
2026-06-15	152,344	+68.8%	125,466	1.21
2026-05-29	90,238	-11.7%	83,489	1.08
2026-05-15	102,133	-41.2%	103,762	1.00
2026-04-30	173,716	+12.7%	271,969	1.00
2026-04-15	154,115	+7.3%	1,729,805	1.00
2026-03-31	143,656	-5.7%	88,447	1.62
2026-03-13	152,351	+8.0%	124,100	1.23
2026-02-27	141,136	+11.3%	125,846	1.12
2026-02-13	126,854	-1.0%	52,798	2.40
2026-01-30	128,150	-12.3%	128,978	1.00
2026-01-15	146,203	-7.2%	234,032	1.00
2025-12-31	157,602	+41.9%	234,076	1.00
2025-12-15	111,083	-3.6%	18,553	5.99
2025-11-28	115,269	+0.3%	83,160	1.39
2025-11-14	114,933	+8.1%	28,427	4.04
2025-10-31	106,280	-2.5%	43,634	2.44
2025-10-15	108,957	+0.3%	72,314	1.51
2025-09-30	108,667	+33.3%	17,441	6.23
2025-09-15	81,507	-7.7%	14,629	5.57
2025-08-29	88,316	-5.0%	19,038	4.64
2025-08-15	92,963	-5.6%	22,270	4.17
2025-07-31	98,444	-1.9%	41,185	2.39
2025-07-15	100,395	-10.8%	31,760	3.16
2025-06-30	112,601	-7.0%	29,129	3.87
2025-06-13	121,037	+25.7%	91,785	1.32
2025-05-30	96,289	+13.3%	91,971	1.05
2025-05-15	84,973	+20.3%	41,646	2.04
2025-04-30	70,640	-1.8%	9,343	7.56
2025-04-15	71,895	-6.0%	13,019	5.52
2025-03-31	76,442	-7.6%	9,229	8.28
2025-03-14	82,750	+8.6%	15,894	5.21
2025-02-28	76,209	+1.9%	13,396	5.69
2025-02-14	74,790	-3.8%	32,899	2.27
2025-01-31	77,736	+109.0%	37,658	2.06
2025-01-15	37,193	-23.3%	29,979	1.24
2024-12-31	48,508	-21.0%	40,819	1.19
2024-12-13	61,437	-0.7%	23,014	2.67
2024-11-29	61,856	+2.9%	29,236	2.12
2024-11-15	60,129	-20.0%	35,256	1.71
2024-10-31	75,199	-30.1%	21,270	3.54

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of LPCN volume is 51.0%, up 19.0 points over the last five sessions. Over the last 30 readings it ranged from 5.8% (5 October 2026) to 75.3% (28 October 2026). The latest reading is 15.7 points above the 30-session average of 35.4%, on 138K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-11-02	70K	138K	51.0%	0
2026-10-30	25K	57K	43.8%	0
2026-10-29	6K	27K	21.9%	0
2026-10-28	75K	100K	75.3%	0
2026-10-27	26K	71K	37.4%	0
2026-10-26	14K	45K	32.1%	0
2026-10-23	40K	115K	34.9%	20,732
2026-10-22	60K	228K	26.3%	1,355
2026-10-21	34K	87K	38.9%	0
2026-10-20	36K	136K	26.4%	20,571
2026-10-19	46K	188K	24.2%	6,313
2026-10-16	83K	210K	39.8%	9,194
2026-10-15	34K	138K	24.3%	0
2026-10-14	82K	171K	47.9%	0
2026-10-13	64K	254K	25.4%	100
2026-10-12	211K	550K	38.3%	24,008
2026-10-09	278K	605K	46.0%	30,285
2026-10-08	577K	1.1M	52.8%	123,900
2026-10-07	9.3M	17.8M	52.5%	130,509
2026-10-06	5K	8K	56.9%	0
2026-10-05	727	13K	5.8%	0
2026-10-02	2K	17K	14.8%	0
2026-10-01	13K	28K	47.2%	0
2026-09-30	3K	14K	24.6%	0
2026-09-29	3K	10K	33.0%	0
2026-09-28	2K	13K	15.4%	0
2026-09-25	11K	18K	61.4%	0
2026-09-24	11K	26K	43.2%	0
2026-09-23	7K	67K	10.3%	0
2026-09-22	3K	27K	9.7%	0

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 13 October 2026, the fails-to-deliver balance in LPCN is 149 shares, down 166,458 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (22 September 2026) to 166,607 shares (8 October 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-10-13	149	$1.66	$247
2026-10-08	166,607	$2.20	$367K
2026-09-29	1	$2.09	$2
2026-09-24	1	$2.12	$2
2026-09-22	1	$2.24	$2
2026-09-21	23	$2.21	$51
2026-08-24	999	$2.09	$2K
2026-08-21	1,031	$2.09	$2K
2026-08-20	1,034	$2.05	$2K
2026-06-30	3,263	$2.49	$8K
2026-06-04	1,778	$2.19	$4K
2026-05-18	51	$2.26	$115
2026-05-07	1,516	$2.43	$4K
2026-05-06	3,779	$2.33	$9K
2026-04-15	23,017	$2.53	$58K
2026-04-10	16,734	$2.09	$35K
2026-04-09	190	$2.13	$405
2026-03-17	2,144	$7.29	$16K
2026-03-16	9	$7.34	$66
2026-03-13	25,483	$8.05	$205K
2026-03-12	36,961	$8.99	$332K
2026-03-11	37,020	$8.11	$300K
2026-02-02	1,232	$9.00	$11K
2026-01-23	336	$10.45	$4K
2026-01-16	9,683	$11.26	$109K
2026-01-14	295	$10.47	$3K
2026-01-12	1,048	$8.01	$8K
2026-01-09	90	$7.53	$678
2026-01-08	300	$7.52	$2K
2026-01-07	300	$7.52	$2K

Insider trades

SEC Form 4, newest first. JSON

Insiders at LPCN reported 3 open-market buys worth $82K in the last 90 days and no open-market sells. Latest filing: Higuchi John W. (Director) on 2026-09-30.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-09-30	Higuchi John W.	Director	Buy	16K	$2.23	$36K	241K
2026-09-29	Higuchi John W.	Director	Buy	9K	$2.15	$19K	225K
2026-09-28	Higuchi John W.	Director	Buy	13K	$2.16	$27K	216K
2026-04-07	Higuchi John W.	Director	Buy	40K	$2.03	$81K	204K
2026-04-06	Patel Mahesh V.	Chief Executive Officer	Buy	25K	$2.03	$51K	161K
2026-04-06	Higuchi John W.	Director	Buy	123K	$2.05	$252K	164K
2026-04-02	Patel Mahesh V.	Chief Executive Officer	Buy	25K	$2.02	$51K	136K
2024-03-08	Fogarty Krista	Principal Accounting Officer	Grant	991	$0.00	$0	2K
2024-03-08	Patel Mahesh V.	CEO and President	Grant	5K	$0.00	$0	112K
2023-05-25	Patel Mahesh V.	CEO and President	Buy	9K	$5.03	$44K	107K
2023-03-24	Patel Mahesh V.	CEO and President	Buy	150K	$0.32	$48K	1.7M
2023-03-20	Ono Richard Dana	Director	Buy	4K	$0.34	$1K	14K
2023-03-17	Patel Mahesh V.	CEO and President	Buy	50K	$0.33	$17K	1.5M
2022-11-22	Papapetropoulos Spyros	Director	Buy	22K	$0.47	$10K	22K
2022-11-14	Patel Mahesh V.	CEO and President	Buy	75K	$0.39	$29K	1.5M
2022-09-27	Patel Mahesh V.	CEO and President	Buy	100K	$0.41	$41K	1.4M
2022-05-17	Fogarty Krista	Principal Accounting Officer	Buy	13K	$0.86	$11K	13K
2022-05-16	Patel Mahesh V.	CEO and President	Buy	50K	$0.77	$39K	1.3M
2021-11-18	Patel Mahesh V.	CEO and President	Buy	25K	$1.09	$27K	1.3M
2020-12-31	Higuchi John W.	Director	Sell	2K	$1.35	$2K	699K
2020-12-31	Higuchi John W.	Director	Sell	5K	$1.35	$7K	694K
2020-12-16	BROWN MORGAN R	EVP and CFO	Sell	8K	$1.35	$11K	195K
2020-12-16	BROWN MORGAN R	EVP and CFO	Exercise or conversion	28K	$0.00	$0	203K
2020-12-16	Patel Mahesh V.	Chief Executive Officer	Exercise or conversion	45K	$0.00	$0	1.2M
2020-12-16	Patel Mahesh V.	Chief Executive Officer	Sell	15K	$1.35	$20K	1.2M
2020-12-16	HILL STEPHEN A	Director	Exercise or conversion	8K	$0.00	$0	13K
2020-12-16	Fink Jeffrey Arvin	Director	Exercise or conversion	6K	$0.00	$0	7K
2020-12-16	Ono Richard Dana	Director	Exercise or conversion	5K	$0.00	$0	10K
2020-12-16	Higuchi John W.	Director	Exercise or conversion	4K	$0.00	$0	700K
2020-12-05	BROWN MORGAN R	Chief Financial Officer	Exercise or conversion	71K	$0.00	$0	175K
2020-12-05	Patel Mahesh V.	Chief Executive Officer	Exercise or conversion	123K	$0.00	$0	1.2M
2020-12-04	BROWN MORGAN R	Chief Financial Officer	Sell	17K	$1.57	$27K	104K
2020-12-04	BROWN MORGAN R	Chief Financial Officer	Exercise or conversion	58K	$0.00	$0	121K
2020-12-04	Patel Mahesh V.	Chief Executive Officer	Sell	44K	$1.57	$68K	1.1M
2020-12-04	Patel Mahesh V.	Chief Executive Officer	Exercise or conversion	145K	$0.00	$0	1.1M
2020-03-17	Higuchi John W.	Director	Buy	220K	$0.32	$70K	696K
2019-12-31	Patel Mahesh V.	CEO and President	Buy	40K	$0.38	$15K	974K

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

6 holders report 5% or more of LPCN in their latest filing, all on Schedule 13G (passive). The largest reported stake is Squadron Master Fund LP at 9.8% of the class (810,000 shares), filed 2026-08-14 for an event on 2026-06-30.

Filed	Form	Holder	Shares	Of class	Event
2026-08-14	13G/Ano. 3	Squadron Master Fund LPpartnership	810K	9.8%	2026-06-30
2026-08-14	13G/Ano. 3	Squadron Capital Management LLCinvestment adviser, parent holding company	810K	9.8%	2026-06-30
2026-08-14	13G/Ano. 3	Matthew Sesterhennparent holding company, individual	810K	9.8%	2026-06-30
2026-08-14	13G/Ano. 3	William Blankparent holding company, individual	810K	9.8%	2026-06-30
2026-05-15	13G	Ikarian Capital, LLCinvestment adviser	509K	6.3%	2026-03-31
2026-05-15	13G	Neil Shahrestaniindividual, parent holding company	509K	6.3%	2026-03-31

13F holders

Tracked managers holding LPCN at their latest 13F. JSON

3 of the 30 tracked managers held LPCN at their latest 13F, $602K in total at quarter-end prices. Two Sigma Investments is the largest at $217K (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 0 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Two Sigma Investments	2026-06-30	85K	$217K	0.00%	+51K
Citadel Advisors	2026-06-30	81K	$208K	0.00%	+52K
Renaissance Technologies	2026-06-30	69K	$177K	0.00%	+31K

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

Lipocine in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows Lipocine (LPCN), SEC CIK 1535955, listed on Nasdaq. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest: FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
Daily short volume: FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
Fails to deliver: SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-13.JSON and CSV
Large holders: SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-14.JSON and CSV
13F holders: SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Earnings dates: SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-04.JSON and CSV
Insider trades: SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-09-30.JSON and CSV
Company record: EDGAR filing index for CIK 1535955Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits: 10 requests a minute without a key, 30 with a free key from a free account.

How to read it

Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Datasets

Frequently Asked Questions

How much of LPCN is sold short?

351,433 shares were held short at the 2026-10-15 settlement, 1.0 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.

What is LPCN's daily short volume?

On 2026-11-02, 70,326 of the 137,808 LPCN shares reported to FINRA were sold short, 51.0% of the day's reported volume. Short volume is a flow for one day, not a position.

Does LPCN have fails to deliver?

The SEC's latest file shows 149 LPCN shares failed to deliver at settlement 2026-10-13. Fails are reported per settlement date and published twice a month with a lag.

Are LPCN insiders buying or selling?

Insiders at LPCN reported 3 open-market buys worth $82K in the last 90 days and no open-market sells. Latest filing: Higuchi John W. (Director) on 2026-09-30.

Who owns 5% or more of LPCN?

Which tracked 13F managers own LPCN?

3 of the 30 tracked 13F managers held LPCN shares at their latest filing, $602K in all. The largest: Two Sigma Investments (85K shares, $217K), Ken Griffin's Citadel Advisors (81K shares, $208K), Renaissance Technologies (69K shares, $177K).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.

Lipocine (LPCN)

Short interest

Daily short volume

Fails to deliver

Insider trades

Large holders (13D and 13G)

13F holders

Lipocine in the regulatory record

Source and updates

How to read it

Other company pages

Datasets

Frequently Asked Questions