XOOMAR

Lineage Cell Therapeutics (LCTX)

Lineage Cell Therapeutics on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as biological products, (no diagnostic substances).

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25.9M

Short interest

settlement 2026-10-15

16.8

Days to cover

+1.0 days vs prior

62.2%

Short share of volume

2026-11-02

26,826

Fails to deliver

settlement 2026-10-14

Thu 5 Nov

Next earnings

estimated date

$0

Insider flow, 90 days

0 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 LCTX is 25,927,289 shares, down 3,541,362 shares over the last month. Over the last 48 readings it ranged from 15,938,784 shares (31 October 2024) to 33,795,581 shares (31 October 2025). At the reported average volume of 1.5M shares a day that is 16.8 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-10-1525,927,289-10.9%1,545,38016.78
2026-09-3029,093,018-1.3%1,846,82715.75
2026-09-1529,468,651+1.7%1,106,21626.64
2026-08-3128,983,004+2.3%876,20533.08
2026-08-1428,331,489-4.2%808,10935.06
2026-07-3129,561,507-1.0%1,128,47426.20
2026-07-1529,867,928+6.0%862,08734.65
2026-06-3028,185,804+10.3%3,379,3868.34
2026-06-1525,555,170-2.0%1,109,74123.03
2026-05-2926,083,430+0.7%1,045,03824.96
2026-05-1525,915,824+1.3%1,546,12716.76
2026-04-3025,584,679+1.1%1,177,56521.73
2026-04-1525,292,784-0.7%1,024,68124.68
2026-03-3125,474,080+0.0%1,140,59122.33
2026-03-1325,466,565+1.6%1,384,43718.39
2026-02-2725,052,389-0.6%962,04926.04
2026-02-1325,194,839-0.6%1,402,48517.96
2026-01-3025,348,081+1.0%1,013,02225.02
2026-01-1525,102,567+1.9%1,048,89723.93
2025-12-3124,635,130+3.9%1,396,60217.64
2025-12-1523,708,947+3.8%1,192,13419.89
2025-11-2822,837,063+1.1%1,436,64315.90
2025-11-1422,579,627-33.2%3,311,8846.82
2025-10-3133,795,581+6.4%1,812,19618.65
2025-10-1531,772,044+9.5%1,785,61517.79
2025-09-3029,010,613+4.5%1,925,01215.07
2025-09-1527,748,083+2.6%1,312,77021.14
2025-08-2927,048,226+1.1%1,349,58220.04
2025-08-1526,758,520-1.8%1,649,86816.22
2025-07-3127,236,726-3.0%1,713,11915.90
2025-07-1528,094,805+1.3%1,737,25516.17
2025-06-3027,739,415-3.4%6,499,7524.27
2025-06-1328,728,210-2.3%2,227,10912.90
2025-05-3029,410,740-1.9%1,328,09022.15
2025-05-1529,963,709-0.1%747,32940.09
2025-04-3030,003,557+5.5%1,108,98627.05
2025-04-1528,432,912+6.7%1,325,71621.45
2025-03-3126,641,663+19.2%2,119,50012.57
2025-03-1422,344,067+1.4%1,522,24514.68
2025-02-2822,027,996+2.2%929,12023.71
2025-02-1421,552,750+1.2%1,318,17516.35
2025-01-3121,298,495-21.4%1,823,63711.68
2025-01-1527,108,540+4.2%3,126,5228.67
2024-12-3126,026,548+13.4%1,928,52213.50
2024-12-1322,941,736+25.1%2,895,1437.92
2024-11-2918,342,791+13.7%5,825,6173.15
2024-11-1516,133,922+1.2%514,68431.35
2024-10-3115,938,784+1.1%447,25735.64

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of LCTX volume is 62.2%, down 16.5 points over the last five sessions. Over the last 30 readings it ranged from 39.8% (29 September 2026) to 78.6% (26 October 2026). The latest reading is 4.1 points below the 30-session average of 66.3%, on 1.2M shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-11-02736K1.2M62.2%5,000
2026-10-30493K680K72.6%0
2026-10-29387K587K65.9%14,872
2026-10-28436K600K72.7%34,145
2026-10-27287K588K48.8%0
2026-10-261.0M1.3M78.6%0
2026-10-23534K682K78.2%5
2026-10-22442K602K73.4%19,500
2026-10-21601K804K74.8%43,400
2026-10-20715K1.1M66.6%0
2026-10-19483K628K76.9%0
2026-10-16561K755K74.3%4,870
2026-10-15599K936K64.0%3,229
2026-10-14881K1.4M62.1%0
2026-10-13746K1.2M62.0%3,000
2026-10-12693K1.3M53.7%4,849
2026-10-09367K631K58.1%0
2026-10-08604K840K71.9%390
2026-10-07575K993K57.9%0
2026-10-06392K624K62.9%17
2026-10-05555K730K76.0%0
2026-10-02507K670K75.7%0
2026-10-01583K886K65.8%700
2026-09-30317K533K59.5%45
2026-09-29542K1.4M39.8%25
2026-09-28611K838K72.8%43,690
2026-09-251.1M1.5M76.1%2,000
2026-09-24804K1.3M62.7%11,113
2026-09-23822K1.5M53.8%0
2026-09-22304K449K67.8%16,072

Fails to deliver

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

As of 14 October 2026, the fails-to-deliver balance in LCTX is 26,826 shares, up 17,385 shares over the last settlement date. Over the last 30 readings it ranged from 10 shares (3 September 2026) to 43,612 shares (4 August 2026).

SettlementShares failedPriceValue
2026-10-1426,826$0.91$24K
2026-10-099,441$1.03$10K
2026-10-025,939$0.90$5K
2026-10-01599$0.96$575
2026-09-298,789$0.97$9K
2026-09-2113,413$1.03$14K
2026-09-18311$1.03$320
2026-09-171,968$1.07$2K
2026-09-161,968$1.06$2K
2026-09-11187$1.02$191
2026-09-101,817$1.03$2K
2026-09-0310$1.11$11
2026-09-02775$1.08$837
2026-08-2715,053$1.12$17K
2026-08-2153$1.08$57
2026-08-2014$1.10$15
2026-08-12205$1.12$230
2026-08-11376$1.13$425
2026-08-10284$1.10$312
2026-08-07116$1.13$131
2026-08-0443,612$1.11$48K
2026-08-0318$1.08$19
2026-07-3168$1.11$75
2026-07-302,027$1.06$2K
2026-07-29666$1.07$713
2026-07-21569$1.10$626
2026-07-177,768$1.17$9K
2026-07-012,698$1.31$4K
2026-06-3014,119$1.35$19K
2026-06-25154$1.26$194

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for LCTX in the last 90 days. The most recent filings are listed below. Latest filing: Culley Brian M (President and CEO) on 2026-03-12.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-03-12Culley Brian MPresident and CEOBuy15K$1.63$24K256K
2026-02-11Samuel George A. IIIGeneral Counsel and SecretaryTax withholding3K$1.80$5K31K
2026-02-11Samuel George A. IIIGeneral Counsel and SecretaryExercise or conversion6Kprice not stated in the filingnot stated34K
2026-02-11Culley Brian MPresident and CEOTax withholding13K$1.80$23K241K
2026-02-11Culley Brian MPresident and CEOExercise or conversion31Kprice not stated in the filingnot stated253K
2025-12-19Samuel George A. IIIGeneral Counsel and SecretaryTax withholding65$1.68$10927K
2025-12-19Samuel George A. IIIGeneral Counsel and SecretaryGrant2Kprice not stated in the filingnot stated28K
2025-12-19Culley Brian MPresident and CEOTax withholding334$1.68$561222K
2025-12-19Culley Brian MPresident and CEOGrant9Kprice not stated in the filingnot stated222K
2025-02-11Culley Brian MPresident and CEOTax withholding13K$0.65$8K214K
2025-02-11Culley Brian MPresident and CEOExercise or conversion31Kprice not stated in the filingnot stated226K
2025-02-11Samuel George A. IIIGeneral CounselTax withholding2K$0.65$2K26K
2025-02-11Samuel George A. IIIGeneral CounselExercise or conversion6Kprice not stated in the filingnot stated28K
2025-01-27BROADWOOD CAPITAL INCTenPercentOwnerBuy0$0.00$049.6M
2025-01-27BROADWOOD CAPITAL INCTenPercentOwnerBuy7.9M$0.76$6.0M49.6M
2024-11-26Samuel George A. IIIGeneral CounselBuy15K$0.60$9K22K
2024-11-26Howe Jill AnnChief Financial OfficerBuy15K$0.59$9K26K
2024-11-22Mulroy Michael H.DirectorBuy40K$0.57$23K299K
2024-11-21Culley Brian MPresident and CEOBuy40K$0.60$24K195K
2024-08-16Howe Jill AnnChief Financial OfficerBuy11K$0.89$9K11K
2024-05-24Culley Brian MPresident and CEOBuy10K$1.05$11K155K
2024-02-11Culley Brian MPresident and CEOTax withholding13K$1.08$14K145K
2024-02-11Culley Brian MPresident and CEOExercise or conversion31Kprice not stated in the filingnot stated158K
2024-02-11Samuel George A. IIIGeneral Counsel/SecretaryTax withholding2K$1.08$3K7K
2024-02-11Samuel George A. IIIGeneral Counsel/SecretaryExercise or conversion6Kprice not stated in the filingnot stated10K
2024-02-08BAILEY DON MDirectorBuy96K$1.04$100K159K
2024-02-06BROADWOOD PARTNERS, L.P.Director,TenPercentOwnerBuy6.7M$1.04$7.0M41.7M
2024-02-06BROADWOOD PARTNERS, L.P.Director,TenPercentOwnerBuy0$0.00$041.7M
2023-12-29Jayasuriya AnulaDirectorBuy10K$1.09$11K10K
2023-02-11Culley Brian MPresident and CEOTax withholding13K$1.35$17K126K
2023-02-11Culley Brian MPresident and CEOExercise or conversion31Kprice not stated in the filingnot stated139K
2023-02-11Samuel George A. IIIGeneral Counsel/SecretaryTax withholding2K$1.35$3K4K
2023-02-11Samuel George A. IIIGeneral Counsel/SecretaryExercise or conversion6Kprice not stated in the filingnot stated6K
2023-02-11Hogge Gary S.SVP,Clinical & Medical AffairsTax withholding5K$1.35$7K8K
2023-02-11Hogge Gary S.SVP,Clinical & Medical AffairsExercise or conversion13Kprice not stated in the filingnot stated13K
2022-06-30Culley Brian MPresident and CEOTax withholding5K$1.58$8K108K
2022-06-30Culley Brian MPresident and CEOExercise or conversion15Kprice not stated in the filingnot stated113K
2022-03-31Culley Brian MPresident and CEOExercise or conversion15Kprice not stated in the filingnot stated97K
2022-03-31Culley Brian MPresident and CEOTax withholding5K$1.54$8K91K
2022-03-31Culley Brian MPresident and CEOBuy6K$1.53$10K98K
2022-03-28Amin DiptiDirectorBuy35K$1.63$57K35K
2022-03-25BRADSHER NEAL CDirector,TenPercentOwnerBuy0$0.00$034.9M
2022-03-25BRADSHER NEAL CDirector,TenPercentOwnerBuy470K$1.44$677K34.9M
2022-03-25Culley Brian MPresident and CEOBuy5K$1.38$7K81K
2022-03-24Mulroy Michael H.DirectorBuy7K$1.40$10K259K
2022-03-24BRADSHER NEAL CDirector,TenPercentOwnerBuy0$0.00$034.5M
2022-03-24BRADSHER NEAL CDirector,TenPercentOwnerBuy200K$1.42$284K34.5M
2022-03-23BRADSHER NEAL CDirector,TenPercentOwnerBuy260K$1.37$356K34.3M
2022-03-23BRADSHER NEAL CDirector,TenPercentOwnerBuy0$0.00$034.3M
2021-12-31Culley Brian MPresident and CEOTax withholding5K$2.45$13K76K
2021-12-31Culley Brian MPresident and CEOExercise or conversion15Kprice not stated in the filingnot stated81K
2021-12-29Hogge Gary S.SVP,Clinical & Medical AffairsSell28K$2.44$69K0
2021-12-29Hogge Gary S.SVP,Clinical & Medical AffairsSell9K$2.49$23K28K
2021-12-29Hogge Gary S.SVP,Clinical & Medical AffairsExercise or conversion9K$0.69$6K38K
2021-12-28Hogge Gary S.SVP,Clinical & Medical AffairsSell502K$2.45$1.2M28K
2021-12-28Hogge Gary S.SVP,Clinical & Medical AffairsExercise or conversion80K$1.14$91K530K
2021-12-28Hogge Gary S.SVP,Clinical & Medical AffairsExercise or conversion237K$2.11$500K450K
2021-12-28Hogge Gary S.SVP,Clinical & Medical AffairsExercise or conversion185K$0.69$128K213K
2021-09-30Culley Brian MPresident and CEOExercise or conversion15Kprice not stated in the filingnot stated71K
2021-09-30Culley Brian MPresident and CEOTax withholding5K$2.52$13K66K
2021-06-30Culley Brian MPresident and CEOExercise or conversion15K$2.85$44K61K
2021-06-30Culley Brian MPresident and CEOTax withholding5K$2.85$15K56K
2021-06-29Russell Angus C.DirectorExercise or conversion25K$2.20$54K92K
2021-06-29Russell Angus C.DirectorSell5K$2.97$14K88K
2021-06-29ANDREWS DEBORAH JDirectorExercise or conversion25K$2.20$54K35K
2021-06-29ANDREWS DEBORAH JDirectorSell19K$2.93$56K16K
2021-06-28Culley Brian MPresident and CEOSell450K$2.87$1.3M46K
2021-06-28Culley Brian MPresident and CEOExercise or conversion300K$0.69$207K496K
2021-06-25BRADSHER NEAL CDirector,TenPercentOwnerExercise or conversion25K$2.20$54K88K
2021-06-22KINGSLEY ALFRED DDirectorExercise or conversion62K$2.20$136K5.5M
2021-06-18Mulroy Michael H.DirectorExercise or conversion25K$2.20$54K252K
2021-03-31Culley Brian MPresident and CEOExercise or conversion15K$2.35$36K201K
2021-03-31Culley Brian MPresident and CEOTax withholding5K$2.35$13K196K
2021-03-30Hernandez AlexandraSr Director Finance/ControllerExercise or conversion6K$0.69$4K6K
2021-03-30Hernandez AlexandraSr Director Finance/ControllerSell6K$2.23$13K0
2020-12-31Culley Brian MPresident and CEOExercise or conversion15K$1.76$27K191K
2020-12-31Culley Brian MPresident and CEOTax withholding5K$1.76$9K186K
2020-09-30Culley Brian MPresident and CEOTax withholding5K$0.94$5K175K
2020-09-30Culley Brian MPresident and CEOExercise or conversion15K$0.94$15K181K
2020-06-30Culley Brian MPresident and CEOExercise or conversion15K$0.87$13K171K
2020-06-30Culley Brian MPresident and CEOTax withholding5K$0.87$5K165K
2020-03-31Culley Brian MPresident and CEOExercise or conversion15K$0.83$13K161K
2020-03-31Culley Brian MPresident and CEOTax withholding5K$0.83$4K155K

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.

Planned sales (Form 144)

Newest first. JSON

1 Form 144 notice on file for LCTX worth $96K at the prices reported; 0 in the last 90 days worth $0. Latest: DON M BAILEY filed on 2025-09-24 to sell 60,000 shares ($96K) from 2025-09-24.

FiledSellerSharesMarket valueOf outstandingSale fromBroker
2025-09-24DON M BAILEYDirector60K$96K0.026%2025-09-24Morgan Stanley Smith Barney LLC Executive Financial Services

Large holders (13D and 13G)

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

5 holders report 5% or more of LCTX in their latest filing, 3 on Schedule 13D (active intent). The largest reported stake is NEAL C. BRADSHER at 23.1% of the class (57,848,357 shares), filed 2025-11-14 for an event on 2025-11-12.

FiledFormHolderSharesOf classEvent
2026-07-2913GBlackRock, Inc.parent holding company13.2M5.3%2026-06-30
2025-11-1413D/Ano. 29NEAL C. BRADSHERindividual, parent holding company57.8M23.1%2025-11-12
2025-11-1413D/Ano. 29BROADWOOD PARTNERS, L.P.partnership57.5M23.0%2025-11-12
2025-11-1413D/Ano. 29BROADWOOD CAPITAL, INC.corporation, investment adviser57.5M23.0%2025-11-12
2025-09-2613GChernett Joreyindividual11.4M5.0%2025-09-22

13F holders

Tracked managers holding LCTX at their latest 13F. JSON

4 of the 30 tracked managers held LCTX at their latest 13F, $6.3M in total at quarter-end prices. Millennium Management is the largest at $4.0M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.

FundQuarterSharesValueOf portfolioChange in shares
Millennium Management2026-06-303.0M$4.0M0.00%-2.5M
Renaissance Technologies2026-06-301.3M$1.8M0.00%-780K
Citadel Advisors2026-06-30426K$558K0.00%+295K
Two Sigma Investments2026-06-3055K$72K0.00%-34K

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

Lineage Cell Therapeutics 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 Lineage Cell Therapeutics (LCTX), SEC CIK 876343, listed on NYSE, classified by the SEC as biological products, (no diagnostic substances). 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 2026-10-14.JSON and CSV
Planned sales
SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2025-09-24.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 2026-07-29.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 2026-08-06.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 2026-03-12.JSON and CSV
Company record
EDGAR filing index for CIK 876343Ticker, 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 LCTX is sold short?
25,927,289 shares were held short at the 2026-10-15 settlement, 16.8 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 LCTX's daily short volume?
On 2026-11-02, 736,224 of the 1,184,529 LCTX shares reported to FINRA were sold short, 62.2% of the day's reported volume. Short volume is a flow for one day, not a position.
Does LCTX have fails to deliver?
The SEC's latest file shows 26,826 LCTX shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are LCTX insiders buying or selling?
No open-market insider trades were reported for LCTX in the last 90 days. The most recent filings are listed below. Latest filing: Culley Brian M (President and CEO) on 2026-03-12.
Have LCTX insiders filed to sell?
1 Form 144 notice on file for LCTX worth $96K at the prices reported; 0 in the last 90 days worth $0. Latest: DON M BAILEY filed on 2025-09-24 to sell 60,000 shares ($96K) from 2025-09-24.
Who owns 5% or more of LCTX?
5 holders report 5% or more of LCTX in their latest filing, 3 on Schedule 13D (active intent). The largest reported stake is NEAL C. BRADSHER at 23.1% of the class (57,848,357 shares), filed 2025-11-14 for an event on 2025-11-12.
Which tracked 13F managers own LCTX?
4 of the 30 tracked 13F managers held LCTX shares at their latest filing, $6.3M in all. The largest: Izzy Englander's Millennium Management (3.0M shares, $4.0M), Renaissance Technologies (1.3M shares, $1.8M), Ken Griffin's Citadel Advisors (426K shares, $558K), Two Sigma Investments (55K shares, $72K).

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