Ames National (ATLO)
Ames National on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as national commercial banks.
248K
Short interest
settlement 2026-09-30
10.9
Days to cover
+2.3 days vs prior
59.1%
Short share of volume
2026-10-23
95
Fails to deliver
settlement 2026-09-01
Fri 22 Jan
Next earnings
estimated date
$40K
Insider flow, 90 days
5 buys, 0 sells
As of 2026-10-23.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 30 September 2026, short interest in ATLO is 248,096 shares, down 138,951 shares over the last month. Over the last 48 readings it ranged from 45,597 shares (29 November 2024) to 387,047 shares (31 August 2026). At the reported average volume of 23K shares a day that is 10.9 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/atlo" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-09-30 | 248,096 | -20.6% | 22,692 | 10.93 |
| 2026-09-15 | 312,475 | -19.3% | 36,206 | 8.63 |
| 2026-08-31 | 387,047 | +44.6% | 40,531 | 9.55 |
| 2026-08-14 | 267,699 | -1.1% | 31,069 | 8.62 |
| 2026-07-31 | 270,576 | +12.0% | 34,737 | 7.79 |
| 2026-07-15 | 241,544 | +12.9% | 51,095 | 4.73 |
| 2026-06-30 | 213,988 | +9.3% | 131,540 | 1.63 |
| 2026-06-15 | 195,814 | -13.6% | 89,285 | 2.19 |
| 2026-05-29 | 226,718 | +38.3% | 54,656 | 4.15 |
| 2026-05-15 | 163,995 | +6.0% | 61,632 | 2.66 |
| 2026-04-30 | 154,707 | -17.3% | 68,821 | 2.25 |
| 2026-04-15 | 187,138 | -11.4% | 66,390 | 2.82 |
| 2026-03-31 | 211,201 | -4.1% | 50,474 | 4.18 |
| 2026-03-13 | 220,150 | -12.3% | 38,229 | 5.76 |
| 2026-02-27 | 250,899 | +15.2% | 34,811 | 7.21 |
| 2026-02-13 | 217,831 | +9.8% | 45,122 | 4.83 |
| 2026-01-30 | 198,332 | -0.0% | 28,757 | 6.90 |
| 2026-01-15 | 198,404 | +50.7% | 24,414 | 8.13 |
| 2025-12-31 | 131,625 | +15.2% | 26,152 | 5.03 |
| 2025-12-15 | 114,277 | -1.6% | 27,479 | 4.16 |
| 2025-11-28 | 116,106 | +20.3% | 16,692 | 6.96 |
| 2025-11-14 | 96,557 | +7.2% | 14,420 | 6.70 |
| 2025-10-31 | 90,103 | -10.1% | 29,843 | 3.02 |
| 2025-10-15 | 100,203 | -1.0% | 12,785 | 7.84 |
| 2025-09-30 | 101,214 | +7.2% | 21,008 | 4.82 |
| 2025-09-15 | 94,421 | -7.7% | 13,285 | 7.11 |
| 2025-08-29 | 102,258 | +16.3% | 7,975 | 12.82 |
| 2025-08-15 | 87,918 | +12.1% | 11,156 | 7.88 |
| 2025-07-31 | 78,462 | +1.5% | 14,078 | 5.57 |
| 2025-07-15 | 77,329 | +1.8% | 14,274 | 5.42 |
| 2025-06-30 | 75,941 | -9.4% | 21,733 | 3.49 |
| 2025-06-13 | 83,812 | -15.0% | 10,196 | 8.22 |
| 2025-05-30 | 98,581 | +37.7% | 8,761 | 11.25 |
| 2025-05-15 | 71,582 | +13.4% | 11,561 | 6.19 |
| 2025-04-30 | 63,138 | +9.4% | 13,631 | 4.63 |
| 2025-04-15 | 57,706 | -6.0% | 18,189 | 3.17 |
| 2025-03-31 | 61,364 | -10.3% | 11,919 | 5.15 |
| 2025-03-14 | 68,377 | +2.3% | 12,391 | 5.52 |
| 2025-02-28 | 66,852 | -3.3% | 12,361 | 5.41 |
| 2025-02-14 | 69,116 | -29.8% | 12,620 | 5.48 |
| 2025-01-31 | 98,467 | +32.5% | 19,220 | 5.12 |
| 2025-01-15 | 74,335 | +7.9% | 22,848 | 3.25 |
| 2024-12-31 | 68,872 | +38.5% | 33,589 | 2.05 |
| 2024-12-13 | 49,708 | +9.0% | 18,009 | 2.76 |
| 2024-11-29 | 45,597 | -3.8% | 17,358 | 2.63 |
| 2024-11-15 | 47,404 | -31.5% | 21,508 | 2.20 |
| 2024-10-31 | 69,204 | +17.9% | 14,672 | 4.72 |
| 2024-10-15 | 58,680 | -7.3% | 13,251 | 4.43 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 23 October 2026, the short share of ATLO volume is 59.1%, down 16.0 points over the last five sessions. Over the last 30 readings it ranged from 26.2% (20 October 2026) to 81.1% (18 September 2026). The latest reading is 4.0 points above the 30-session average of 55.1%, on 11K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-10-23 | 6K | 11K | 59.1% | 0 |
| 2026-10-22 | 5K | 10K | 54.7% | 0 |
| 2026-10-21 | 2K | 5K | 44.9% | 0 |
| 2026-10-20 | 2K | 6K | 26.2% | 0 |
| 2026-10-19 | 2K | 6K | 40.4% | 0 |
| 2026-10-16 | 2K | 3K | 75.1% | 0 |
| 2026-10-15 | 3K | 4K | 71.0% | 0 |
| 2026-10-14 | 2K | 7K | 29.1% | 0 |
| 2026-10-13 | 1K | 3K | 45.6% | 0 |
| 2026-10-12 | 2K | 3K | 62.1% | 0 |
| 2026-10-09 | 3K | 4K | 72.7% | 0 |
| 2026-10-08 | 2K | 5K | 42.9% | 0 |
| 2026-10-07 | 2K | 3K | 53.8% | 0 |
| 2026-10-06 | 2K | 3K | 58.6% | 0 |
| 2026-10-05 | 2K | 5K | 46.0% | 0 |
| 2026-10-02 | 5K | 8K | 66.3% | 0 |
| 2026-10-01 | 4K | 6K | 63.0% | 0 |
| 2026-09-30 | 1K | 4K | 29.5% | 0 |
| 2026-09-29 | 1K | 3K | 44.5% | 0 |
| 2026-09-28 | 2K | 3K | 60.5% | 0 |
| 2026-09-25 | 5K | 8K | 58.7% | 0 |
| 2026-09-24 | 1K | 2K | 57.5% | 0 |
| 2026-09-23 | 1K | 4K | 34.1% | 90 |
| 2026-09-22 | 3K | 7K | 47.0% | 0 |
| 2026-09-21 | 3K | 4K | 69.5% | 0 |
| 2026-09-18 | 3K | 4K | 81.1% | 0 |
| 2026-09-17 | 4K | 7K | 60.8% | 0 |
| 2026-09-16 | 7K | 9K | 76.0% | 0 |
| 2026-09-15 | 6K | 10K | 56.2% | 0 |
| 2026-09-14 | 7K | 10K | 67.0% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 1 September 2026, the fails-to-deliver balance in ATLO is 95 shares, down 76 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (22 May 2026) to 2,089 shares (24 August 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-09-01 | 95 | $31.49 | $3K |
| 2026-08-31 | 171 | $31.60 | $5K |
| 2026-08-26 | 139 | $31.81 | $4K |
| 2026-08-24 | 2,089 | $31.76 | $66K |
| 2026-08-07 | 39 | $31.43 | $1K |
| 2026-08-05 | 1,268 | $31.13 | $39K |
| 2026-07-23 | 42 | $29.48 | $1K |
| 2026-07-07 | 165 | $29.04 | $5K |
| 2026-06-29 | 7 | $30.62 | $214 |
| 2026-06-17 | 50 | $29.87 | $1K |
| 2026-06-11 | 1 | $30.16 | $30 |
| 2026-06-03 | 100 | $29.06 | $3K |
| 2026-06-01 | 1 | $28.74 | $29 |
| 2026-05-22 | 1 | $28.79 | $29 |
| 2026-05-13 | 194 | $27.87 | $5K |
| 2026-05-01 | 27 | $28.18 | $761 |
| 2026-04-17 | 4 | $28.35 | $113 |
| 2026-04-15 | 477 | $28.78 | $14K |
| 2026-04-13 | 5 | $29.30 | $147 |
| 2026-03-24 | 415 | $27.38 | $11K |
| 2026-03-23 | 415 | $26.70 | $11K |
| 2026-03-12 | 229 | $26.68 | $6K |
| 2026-03-10 | 44 | $26.67 | $1K |
| 2026-03-09 | 885 | $26.64 | $24K |
| 2026-03-03 | 296 | $27.21 | $8K |
| 2026-03-02 | 72 | $27.01 | $2K |
| 2026-02-27 | 237 | $27.76 | $7K |
| 2026-02-25 | 329 | $27.51 | $9K |
| 2026-02-24 | 2,087 | $27.28 | $57K |
| 2026-02-17 | 217 | $27.77 | $6K |
Insider trades
SEC Form 4, newest first. JSONInsiders at ATLO reported 5 open-market buys worth $40K in the last 90 days and no open-market sells. Latest filing: Baker Jeffery C (Director) on 2026-09-09.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-09 | Baker Jeffery C | Director | Buy | 300 | $31.88 | $10K | 4K |
| 2026-08-31 | Cassabaum Michelle R | Director | Buy | 180 | $31.54 | $6K | 10K |
| 2026-08-20 | Beals Douglas W | Director | Buy | 325 | $31.16 | $10K | 3K |
| 2026-08-14 | Schreier Richard | President of subsidiary bank | Buy | 316 | $31.60 | $10K | 8K |
| 2026-07-31 | Cassabaum Michelle R | Director | Buy | 140 | $30.20 | $4K | 10K |
| 2026-05-29 | Cassabaum Michelle R | Director | Buy | 170 | $28.83 | $5K | 10K |
| 2026-05-15 | Hagan Patrick G | Director | Buy | 200 | $27.69 | $6K | 10K |
| 2026-05-12 | Hagan Patrick G | Director | Buy | 100 | $27.65 | $3K | 9K |
| 2026-04-30 | Cassabaum Michelle R | Director | Buy | 84 | $28.08 | $2K | 10K |
| 2026-02-27 | Cassabaum Michelle R | Director | Buy | 205 | $27.25 | $6K | 10K |
| 2026-01-30 | Cassabaum Michelle R | Director | Buy | 280 | $26.11 | $7K | 9K |
| 2025-12-10 | Trost Scot A. | Director | Buy | 200 | $22.88 | $5K | 1K |
| 2025-12-02 | Bauer Scott T | President of subsidiary bank | Buy | 20 | $21.68 | $434 | 4K |
| 2025-11-21 | Swartz Kevin L | Director | Buy | 200 | $20.80 | $4K | 5K |
| 2025-11-17 | PUTZIER JEFFREY K | President of subsidiary bank | Buy | 200 | $21.25 | $4K | 4K |
| 2025-11-13 | Beals Douglas W | Director | Buy | 500 | $21.37 | $11K | 3K |
| 2025-10-31 | Cassabaum Michelle R | Director | Buy | 44 | $20.82 | $916 | 9K |
| 2025-10-24 | Hagan Patrick G | Director | Buy | 300 | $20.85 | $6K | 9K |
| 2025-08-29 | Cassabaum Michelle R | Director | Buy | 278 | $19.83 | $6K | 9K |
| 2025-07-31 | Cassabaum Michelle R | Director | Buy | 164 | $18.29 | $3K | 9K |
| 2025-06-20 | Baker Jeffery C | Director | Buy | 500 | $17.18 | $9K | 3K |
| 2025-06-11 | Johnson Dan E | Other | Buy | 210 | $17.75 | $4K | 2K |
| 2025-06-03 | Wilson Michael A | Executive Vice President | Buy | 200 | $17.50 | $4K | 2K |
| 2025-06-02 | BAUDLER HORRAS BETTY A | Director | Buy | 100 | $17.50 | $2K | 22K |
| 2025-05-30 | Cassabaum Michelle R | Director | Buy | 314 | $17.54 | $6K | 8K |
| 2025-05-28 | BAUDLER HORRAS BETTY A | Director | Buy | 100 | $17.53 | $2K | 22K |
| 2025-05-23 | Beals Douglas W | Director | Buy | 400 | $17.29 | $7K | 2K |
| 2025-05-22 | Hagan Patrick G | Director | Buy | 200 | $17.65 | $4K | 9K |
| 2025-05-21 | Snodgrass Adam | Other | Buy | 200 | $17.80 | $4K | 1K |
| 2025-05-21 | Schreier Richard | Other | Buy | 279 | $17.90 | $5K | 7K |
| 2025-05-19 | Thomas Robert A | Other | Buy | 164 | $17.75 | $3K | 2K |
| 2025-05-15 | Thomas Robert A | Other | Buy | 36 | $17.65 | $635 | 2K |
| 2025-05-02 | Beals Douglas W | Director | Buy | 275 | $17.59 | $5K | 2K |
| 2025-04-30 | Cassabaum Michelle R | Director | Buy | 122 | $17.05 | $2K | 8K |
| 2025-04-28 | Hagan Patrick G | Director | Buy | 500 | $16.65 | $8K | 9K |
| 2025-04-25 | Clausen Justin C | Chief Financial Officer | Buy | 119 | $16.81 | $2K | 1K |
| 2025-02-28 | Cassabaum Michelle R | Director | Buy | 288 | $18.62 | $5K | 8K |
| 2025-01-31 | Cassabaum Michelle R | Director | Buy | 70 | $18.14 | $1K | 7K |
| 2024-12-13 | Hagan Patrick G | Director | Buy | 200 | $16.75 | $3K | 8K |
| 2024-12-06 | Johnson Dan E | Other | Buy | 210 | $17.23 | $4K | 1K |
| 2024-12-05 | Trost Scot A. | Director | Buy | 200 | $17.56 | $4K | 800 |
| 2024-12-04 | Bauer Scott T | Other | Buy | 200 | $17.15 | $3K | 4K |
| 2024-12-04 | Wilson Michael A | Executive Vice President | Buy | 300 | $17.51 | $5K | 2K |
| 2024-11-29 | Cassabaum Michelle R | Director | Buy | 346 | $17.00 | $6K | 7K |
| 2024-11-05 | PUTZIER JEFFREY K | Other | Buy | 200 | $16.72 | $3K | 652 |
| 2024-11-04 | Hagan Patrick G | Director | Buy | 100 | $16.69 | $2K | 8K |
| 2024-11-04 | Wilson Michael A | Executive Vice President | Buy | 250 | $16.35 | $4K | 1K |
| 2024-10-31 | Cassabaum Michelle R | Director | Buy | 2 | $17.17 | $34 | 7K |
| 2024-10-31 | Cassabaum Michelle R | Director | Buy | 88 | $17.28 | $2K | 7K |
| 2024-10-30 | Swartz Kevin L | Director | Buy | 400 | $17.00 | $7K | 5K |
| 2024-10-30 | Benson David W. | Director | Buy | 2K | $17.20 | $28K | 9K |
| 2024-10-30 | Wilson Michael A | Executive Vice President | Buy | 250 | $17.05 | $4K | 950 |
| 2024-10-25 | Hagan Patrick G | Director | Buy | 330 | $16.75 | $6K | 8K |
| 2024-10-25 | Thomas Robert A | Other | Buy | 200 | $17.51 | $4K | 2K |
| 2024-10-25 | PUTZIER JEFFREY K | Other | Buy | 200 | $16.93 | $3K | 4K |
| 2024-10-25 | Bauer Scott T | Other | Buy | 200 | $16.72 | $3K | 4K |
| 2024-10-25 | NELSON JOHN PATRICK | President | Buy | 1K | $16.70 | $20K | 18K |
| 2024-10-25 | Clausen Justin C | Chief Financial Officer | Buy | 210 | $16.70 | $4K | 871 |
| 2024-10-23 | Hagan Patrick G | Director | Buy | 500 | $17.63 | $9K | 8K |
| 2024-09-05 | Baker Jeffery C | Director | Buy | 600 | $18.16 | $11K | 3K |
| 2024-09-04 | BAUDLER HORRAS BETTY A | Director | Buy | 50 | $18.00 | $900 | 22K |
| 2024-08-30 | Cassabaum Michelle R | Director | Buy | 287 | $18.75 | $5K | 7K |
| 2024-08-22 | Wilson Michael A | Executive Vice President | Buy | 200 | $17.71 | $4K | 700 |
| 2024-08-07 | BAUDLER HORRAS BETTY A | Director | Buy | 50 | $17.90 | $895 | 22K |
| 2024-08-06 | BAUDLER HORRAS BETTY A | Director | Buy | 50 | $18.40 | $920 | 22K |
| 2024-08-05 | BAUDLER HORRAS BETTY A | Director | Buy | 50 | $18.34 | $917 | 22K |
| 2024-08-02 | Hagan Patrick G | Director | Buy | 200 | $19.25 | $4K | 7K |
| 2024-08-02 | Bauer Scott T | Other | Buy | 200 | $19.18 | $4K | 4K |
| 2024-08-02 | Cassabaum Michelle R | Director | Buy | 166 | $19.35 | $3K | 7K |
| 2024-08-02 | Snodgrass Adam | Other | Buy | 200 | $18.68 | $4K | 847 |
| 2024-05-31 | Cassabaum Michelle R | Director | Buy | 297 | $20.65 | $6K | 6K |
| 2024-04-30 | Cassabaum Michelle R | Director | Buy | 67 | $19.50 | $1K | 6K |
| 2024-03-01 | Cassabaum Michelle R | Director | Buy | 300 | $18.80 | $6K | 6K |
| 2024-02-07 | LARSON JAMES R II | Director | Buy | 250 | $18.20 | $5K | 12K |
| 2024-02-06 | LARSON JAMES R II | Director | Buy | 250 | $18.60 | $5K | 12K |
| 2024-02-02 | LARSON JAMES R II | Director | Buy | 200 | $19.67 | $4K | 12K |
| 2024-01-31 | Cassabaum Michelle R | Director | Buy | 57 | $21.86 | $1K | 6K |
| 2023-11-30 | Cassabaum Michelle R | Director | Buy | 310 | $18.41 | $6K | 5K |
| 2023-11-20 | PUTZIER JEFFREY K | Other | Buy | 200 | $19.05 | $4K | 3K |
| 2023-10-31 | Cassabaum Michelle R | Director | Buy | 94 | $16.75 | $2K | 5K |
| 2023-10-27 | NELSON JOHN PATRICK | President | Buy | 1K | $16.17 | $20K | 16K |
| 2023-10-27 | Bauer Scott T | Other | Buy | 300 | $16.10 | $5K | 3K |
| 2023-09-15 | Hagan Patrick G | Director | Buy | 200 | $17.86 | $4K | 7K |
| 2023-09-14 | Swartz Kevin L | Director | Buy | 500 | $17.80 | $9K | 5K |
| 2023-09-08 | BAUDLER HORRAS BETTY A | Director | Buy | 100 | $17.83 | $2K | 22K |
| 2023-09-07 | BAUDLER HORRAS BETTY A | Director | Buy | 50 | $17.77 | $889 | 22K |
| 2023-09-06 | LARSON JAMES R II | Director | Buy | 300 | $17.89 | $5K | 11K |
| 2023-09-05 | LARSON JAMES R II | Director | Buy | 250 | $18.03 | $5K | 11K |
| 2023-08-31 | Swartz Kevin L | Director | Buy | 200 | $18.00 | $4K | 4K |
| 2023-08-31 | Cassabaum Michelle R | Director | Buy | 313 | $18.08 | $6K | 5K |
| 2023-08-22 | NELSON JOHN PATRICK | President | Buy | 1K | $17.91 | $20K | 15K |
| 2023-07-31 | Cassabaum Michelle R | Director | Buy | 164 | $19.64 | $3K | 5K |
| 2023-06-12 | BAUDLER HORRAS BETTY A | Director | Buy | 75 | $19.25 | $1K | 22K |
| 2023-06-07 | Snodgrass Adam | Other | Buy | 200 | $19.07 | $4K | 619 |
| 2023-06-02 | Forth Steven D | Director | Buy | 200 | $18.41 | $4K | 4K |
| 2023-05-31 | Cassabaum Michelle R | Director | Buy | 330 | $18.13 | $6K | 5K |
| 2023-05-24 | Hagan Patrick G | Director | Buy | 100 | $18.04 | $2K | 6K |
| 2023-05-23 | LARSON JAMES R II | Director | Buy | 250 | $18.09 | $5K | 11K |
| 2023-05-17 | Wilson Michael A | Executive Vice President | Buy | 250 | $18.00 | $5K | 500 |
| 2023-05-16 | PIERSCHBACHER JOHN L | CFO | Buy | 200 | $18.15 | $4K | 7K |
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. JSON1 holder reports 5% or more of ATLO in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 5.2% of the class (458,547 shares), filed 2026-04-29 for an event on 2026-03-31.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-14 | 13G/Ano. 1 | L. Phillip Stone, IVindividual | 17K | 0.2% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Fourthstone LLCinvestment adviser | 17K | 0.2% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Fourthstone Master Opportunity Fund Ltdother entity | 12K | 0.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Fourthstone GP LLCother entity | 5K | 0.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Fourthstone QP Opportunity Fund LPpartnership | 3K | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Fourthstone Small-Cap Financials Fund LPpartnership | 2K | 0.0% | 2026-06-30 |
| 2026-04-29 | 13G | Vanguard Capital Managementinvestment adviser | 459K | 5.2% | 2026-03-31 |
| 2026-03-26 | 13G/Ano. 1 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding ATLO at their latest 13F. JSON4 of the 30 tracked managers held ATLO at their latest 13F, $5.0M in total at quarter-end prices. Renaissance Technologies is the largest at $1.8M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Renaissance Technologies | 2026-06-30 | 62K | $1.8M | 0.00% | +24K |
| AQR Capital Management | 2026-06-30 | 56K | $1.7M | 0.00% | +24K |
| Citadel Advisors | 2026-06-30 | 39K | $1.2M | 0.00% | new |
| Millennium Management | 2026-06-30 | 11K | $319K | 0.00% | new |
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
Ames National 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 Ames National (ATLO), SEC CIK 1132651, listed on Nasdaq, classified by the SEC as national commercial banks. 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 2026-10-23.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-01.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 2026-10-16.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 2026-09-09.JSON and CSV
- Company record
- EDGAR filing index for CIK 1132651Ticker, name and exchange from the SEC's company list, refreshed weekly.
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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.
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Frequently Asked Questions
How much of ATLO is sold short?
248,096 shares were held short at the 2026-09-30 settlement, 10.9 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 ATLO's daily short volume?
On 2026-10-23, 6,372 of the 10,780 ATLO shares reported to FINRA were sold short, 59.1% of the day's reported volume. Short volume is a flow for one day, not a position.
Does ATLO have fails to deliver?
The SEC's latest file shows 95 ATLO shares failed to deliver at settlement 2026-09-01. Fails are reported per settlement date and published twice a month with a lag.
Are ATLO insiders buying or selling?
Insiders at ATLO reported 5 open-market buys worth $40K in the last 90 days and no open-market sells. Latest filing: Baker Jeffery C (Director) on 2026-09-09.
Who owns 5% or more of ATLO?
1 holder reports 5% or more of ATLO in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 5.2% of the class (458,547 shares), filed 2026-04-29 for an event on 2026-03-31.
Which tracked 13F managers own ATLO?
4 of the 30 tracked 13F managers held ATLO shares at their latest filing, $5.0M in all. The largest: Renaissance Technologies (62K shares, $1.8M), Cliff Asness's AQR Capital Management (56K shares, $1.7M), Ken Griffin's Citadel Advisors (39K shares, $1.2M), Izzy Englander's Millennium Management (11K shares, $319K).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.