XOOMAR

Trinity Industries (TRN)

Trinity Industries 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 railroad equipment.

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4.4M

Short interest

settlement 2026-09-30

5.3

Days to cover

-2.9 days vs prior

82.6%

Short share of volume

2026-10-09

433

Fails to deliver

settlement 2026-09-14

Thu 29 Oct

Next earnings

estimated date

-$502K

Insider flow, 90 days

0 buys, 1 sells

As of 2026-10-09.

Short interest

FINRA, twice a month. The newest 24 settlements in the table, 48 in the chart. JSON

As of 30 September 2026, short interest in TRN is 4,444,632 shares, up 282,187 shares over the last month. Over the last 48 readings it ranged from 1,705,292 shares (31 March 2025) to 5,356,063 shares (30 June 2026). At the reported average volume of 844K shares a day that is 5.3 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-09-304,444,632+2.1%844,3015.26
2026-09-154,350,980+4.5%530,5628.20
2026-08-314,162,445-0.8%513,7458.10
2026-08-144,197,078+14.0%713,8605.88
2026-07-313,681,145-28.9%832,5554.42
2026-07-155,177,931-3.3%750,4136.90
2026-06-305,356,063+6.7%846,3966.33
2026-06-155,019,639+12.4%739,5506.79
2026-05-294,466,564+16.9%906,7624.93
2026-05-153,819,764+11.1%623,2006.13
2026-04-303,438,523+12.4%656,9465.23
2026-04-153,060,006-4.5%604,5245.06
2026-03-313,205,740-13.9%697,2604.60
2026-03-133,721,934+17.3%565,1996.59
2026-02-273,173,558+4.0%718,6544.42
2026-02-133,050,753+7.7%879,0013.47
2026-01-302,833,075-10.0%1,311,4202.16
2026-01-153,146,842+2.3%724,6994.34
2025-12-313,077,560+3.8%709,7334.34
2025-12-152,964,240-0.6%525,9605.64
2025-11-282,982,959+11.8%541,8015.51
2025-11-142,668,460+14.2%669,9923.98
2025-10-312,336,431+4.6%449,6585.20
2025-10-152,233,198-8.6%388,0985.75

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 9 October 2026, the short share of TRN volume is 82.6%, up 37.0 points over the last five sessions. Over the last 30 readings it ranged from 45.6% (2 October 2026) to 82.6% (9 October 2026). The latest reading sits at the top of that range. The latest reading is 18.8 points above the 30-session average of 63.8%, on 147K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-10-09122K147K82.6%0
2026-10-08110K156K70.8%0
2026-10-07126K190K66.3%0
2026-10-06163K273K59.6%0
2026-10-05141K303K46.5%32
2026-10-02148K326K45.6%3
2026-10-01205K273K75.0%154
2026-09-30211K293K72.0%0
2026-09-29106K193K54.7%0
2026-09-2857K99K57.5%0
2026-09-2597K208K46.5%0
2026-09-24170K305K55.7%0
2026-09-2381K155K52.4%565
2026-09-22126K214K58.6%0
2026-09-21111K164K67.4%35
2026-09-18145K256K56.5%0
2026-09-17154K226K68.1%0
2026-09-16124K176K70.3%0
2026-09-15136K178K76.1%0
2026-09-1474K147K49.9%627
2026-09-11110K174K63.6%0
2026-09-10121K157K77.5%0
2026-09-09108K157K69.0%739
2026-09-08117K155K75.0%0
2026-09-0461K105K58.6%0
2026-09-03109K157K69.0%0
2026-09-02148K202K73.1%0
2026-09-01137K189K72.3%0
2026-08-3171K116K61.7%0
2026-08-2849K78K62.3%0

Fails to deliver

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

As of 14 September 2026, the fails-to-deliver balance in TRN is 433 shares, down 1,173 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (13 February 2026) to 14,306 shares (30 July 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-09-14433$28.50$12K
2026-09-021,606$27.86$45K
2026-08-17299$29.59$9K
2026-08-1025$29.90$748
2026-08-063,356$32.46$109K
2026-08-045$31.34$157
2026-08-031,013$31.24$32K
2026-07-3014,306$36.70$525K
2026-07-244,091$36.77$150K
2026-07-1628$36.06$1K
2026-06-29776$36.11$28K
2026-06-234,965$35.13$174K
2026-06-224,267$34.47$147K
2026-06-15372$34.76$13K
2026-06-021,131$31.92$36K
2026-05-26586$32.72$19K
2026-05-1436$36.55$1K
2026-04-286,822$31.59$216K
2026-04-218$31.90$255
2026-04-208$32.95$264
2026-04-178$32.47$260
2026-04-152,103$34.65$73K
2026-04-148$34.97$280
2026-03-2338$29.60$1K
2026-03-202,477$29.73$74K
2026-03-18628$30.50$19K
2026-03-0225$34.18$855
2026-02-271,161$34.22$40K
2026-02-132$34.58$69
2026-02-065,489$30.24$166K

Insider trades

SEC Form 4, newest first, 50 of 100 shown. JSON

Insiders at TRN reported 1 open-market sell worth $502K in the last 90 days and no open-market buys. Latest filing: Poet Kevin (EVP Operations & Support Svcs) on 2026-08-25.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-08-25Poet KevinEVP Operations & Support SvcsSell17K$29.55$502K69K
2026-05-21Savage JeanPresident & CEOTax withholding56K$34.30$1.9M342K
2026-05-21Savage JeanPresident & CEOGrant193K$0.00$0397K
2026-05-21Poet KevinEVP Operations & Support SvcsTax withholding10K$34.30$359K86K
2026-05-21Poet KevinEVP Operations & Support SvcsGrant36K$0.00$097K
2026-05-21Marchetto Eric REVP & CFOTax withholding15K$34.30$512K299K
2026-05-21Marchetto Eric REVP & CFOGrant51K$0.00$0314K
2026-05-21Maldonado Christina NVice President and CAOGrant2K$0.00$027K
2026-05-21MACLIN TODDDirectorGrant4K$0.00$037K
2026-05-21Gooding Aaron J.EVP Leasing and ServicesTax withholding2K$34.30$58K25K
2026-05-21Gooding Aaron J.EVP Leasing and ServicesGrant13K$0.00$027K
2026-05-21Ewing Scott MEVP & Chief Legal OfficerTax withholding2K$34.30$68K72K
2026-05-21Ewing Scott MEVP & Chief Legal OfficerGrant14K$0.00$074K
2026-05-21ECHOLS LELDON EDirectorGrant6K$0.00$080K
2026-05-21Diez John J.DirectorGrant4K$0.00$030K
2026-05-21Ainsworth William PDirectorGrant4K$0.00$032K
2026-05-15Savage JeanPresident & CEOTax withholding24K$34.26$814K205K
2026-05-15Poet KevinEVP Operations & Support SvcsTax withholding3K$34.26$95K61K
2026-05-15Marchetto Eric REVP & CFOTax withholding7K$34.26$244K263K
2026-05-15Maldonado Christina NVice President and CAOTax withholding1K$34.26$34K24K
2026-05-15Gooding Aaron J.EVP Leasing and ServicesTax withholding805$34.26$28K13K
2026-05-15Ewing Scott MEVP & Chief Legal OfficerTax withholding1K$34.26$51K60K
2026-03-02Savage JeanPresident & CEOGift130K$0.00$0229K
2025-09-07Mitchell Gregory BEVP Leasing and ServicesTax withholding5K$28.57$140K125K
2025-06-30Maldonado Christina NVice President and CAOTax withholding79$27.01$2K25K
2025-06-12Savage JeanPresident & CEOGift66K$0.00$066K
2025-06-12Savage JeanPresident & CEOGift165K$0.00$084K
2025-05-15Ewing Scott MEVP & Chief Legal OfficerTax withholding3K$26.95$91K62K
2025-05-15Ewing Scott MEVP & Chief Legal OfficerGrant16K$0.00$065K
2025-05-15Maldonado Christina NVice President and CAOTax withholding788$26.95$21K26K
2025-05-15Maldonado Christina NVice President and CAOGrant2K$0.00$026K
2025-05-15Ainsworth William PDirectorGrant5K$0.00$028K
2025-05-15Poet KevinEVP Operations & Support SvcsTax withholding11K$26.95$291K64K
2025-05-15Poet KevinEVP Operations & Support SvcsGrant32K$0.00$075K
2025-05-15ECHOLS LELDON EDirectorGrant8K$0.00$074K
2025-05-15Marchetto Eric REVP & CFOGrant56K$0.00$0294K
2025-05-15Marchetto Eric REVP & CFOTax withholding25K$26.95$666K270K
2025-05-15Mitchell Gregory BEVP Leasing and ServicesGrant27K$0.00$0139K
2025-05-15Mitchell Gregory BEVP Leasing and ServicesTax withholding9K$26.95$244K130K
2025-05-15Diez John J.DirectorGrant5K$0.00$026K
2025-05-15Savage JeanPresident & CEOTax withholding90K$26.95$2.4M274K
2025-05-15Savage JeanPresident & CEOGrant208K$0.00$0365K
2025-05-15MACLIN TODDDirectorGrant5K$0.00$033K
2025-05-15Lakkundi Veena MDirectorGrant5K$0.00$05K
2025-03-03Mitchell Gregory BEVP Leasing and ServicesSell9K$31.02$288K112K
2025-01-30Marchetto Eric REVP & CFOTax withholding6K$38.30$244K238K
2024-11-15Mitchell Gregory BEVP Leasing and ServicesSell21K$37.15$762K121K
2024-09-11Savage JeanPresident & CEOGift250K$0.00$0250K
2024-09-11Savage JeanPresident & CEOGift250K$0.00$0156K
2024-06-30Maldonado Christina NVice President and CAOTax withholding80$29.92$2K24K

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 TRN worth $505K at the prices reported; 1 in the last 90 days worth $505K. Latest: KEVIN POET filed on 2026-08-25 to sell 17,000 shares ($505K) from 2026-08-25.

FiledSellerSharesMarket valueOf outstandingSale fromBroker
2026-08-25KEVIN POETOfficer17K$505K0.021%2026-08-25Morgan Stanley Smith Barney LLC Executive Financial Services

Large holders (13D and 13G)

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

4 holders report 5% or more of TRN in their latest filing, all on Schedule 13G (passive). The largest reported stake is Capital International Investors at 6.9% of the class (5,544,272 shares), filed 2026-05-14 for an event on 2026-03-31.

FiledFormHolderSharesOf classEvent
2026-08-0713GSTATE STREET CORPORATIONparent holding company4.1M5.2%2026-06-30
2026-05-1413G/Ano. 6Capital International Investorsinvestment adviser5.5M6.9%2026-03-31
2026-04-3013GVanguard Capital Managementinvestment adviser4.2M5.2%2026-03-31
2026-04-2913GVanguard Portfolio Managementinvestment adviser5.4M6.7%2026-03-31
2026-03-2713G/Ano. 13The Vanguard Groupinvestment adviser00.0%2026-03-13

13F holders

Tracked managers holding TRN at their latest 13F. JSON

6 of the 30 tracked managers held TRN at their latest 13F, $55.2M in total at quarter-end prices. D. E. Shaw & Co. is the largest at $31.3M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 5 added shares and 1 cut.

FundQuarterSharesValueOf portfolioChange in shares
D. E. Shaw & Co.2026-06-30907K$31.3M0.01%-74K
Two Sigma Investments2026-06-30326K$11.3M0.01%+23K
Citadel Advisors2026-06-30196K$6.8M0.00%+8K
AQR Capital Management2026-06-30100K$3.4M0.00%+10K
Point72 Asset Management2026-06-3060K$2.1M0.00%new
Fisher Asset Management2026-06-308K$284K0.00%+310

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

Trinity Industries 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 Trinity Industries (TRN), SEC CIK 99780, listed on NYSE, classified by the SEC as railroad equipment. 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 2026-09-30.JSON and CSV
Daily short volume
FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-09.JSON and CSV
Fails to deliver
SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-14.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 2026-08-25.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 2026-08-07.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 2026-07-30.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 2026-08-25.JSON and CSV
Company record
EDGAR filing index for CIK 99780Ticker, 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.

Other companies the SEC classifies as railroad equipment

Datasets

Frequently Asked Questions

How much of TRN is sold short?
4,444,632 shares were held short at the 2026-09-30 settlement, 5.3 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 TRN's daily short volume?
On 2026-10-09, 121,766 of the 147,435 TRN shares reported to FINRA were sold short, 82.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does TRN have fails to deliver?
The SEC's latest file shows 433 TRN shares failed to deliver at settlement 2026-09-14. Fails are reported per settlement date and published twice a month with a lag.
Are TRN insiders buying or selling?
Insiders at TRN reported 1 open-market sell worth $502K in the last 90 days and no open-market buys. Latest filing: Poet Kevin (EVP Operations & Support Svcs) on 2026-08-25.
Have TRN insiders filed to sell?
1 Form 144 notice on file for TRN worth $505K at the prices reported; 1 in the last 90 days worth $505K. Latest: KEVIN POET filed on 2026-08-25 to sell 17,000 shares ($505K) from 2026-08-25.
Who owns 5% or more of TRN?
4 holders report 5% or more of TRN in their latest filing, all on Schedule 13G (passive). The largest reported stake is Capital International Investors at 6.9% of the class (5,544,272 shares), filed 2026-05-14 for an event on 2026-03-31.
Which tracked 13F managers own TRN?
6 of the 30 tracked 13F managers held TRN shares at their latest filing, $55.2M in all. The largest: D. E. Shaw & Co. (907K shares, $31.3M), Two Sigma Investments (326K shares, $11.3M), Ken Griffin's Citadel Advisors (196K shares, $6.8M), Cliff Asness's AQR Capital Management (100K shares, $3.4M), Steve Cohen's Point72 Asset Management (60K shares, $2.1M), Ken Fisher's Fisher Asset Management (8K shares, $284K).

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