Whitehawk Therapeutics (WHWK)
Whitehawk 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 Nasdaq.
2.6M
Short interest
settlement 2026-10-15
7.4
Days to cover
+0.3 days vs prior
30.8%
Short share of volume
2026-11-03
61
Fails to deliver
settlement 2026-10-05
Thu 5 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-11-03.
Short interest
FINRA, twice a month. The newest 38 settlements in the table, 38 in the chart. JSONAs of 15 October 2026, short interest in WHWK is 2,620,094 shares, down 106,671 shares over the last month. Over the last 38 readings it ranged from 173,323 shares (30 May 2025) to 5,032,431 shares (14 August 2026). At the reported average volume of 354K shares a day that is 7.4 days to cover.
Embed this chart.The embed keeps its attribution line.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 2,620,094 | -3.3% | 354,151 | 7.40 |
| 2026-09-30 | 2,710,161 | -0.6% | 382,262 | 7.09 |
| 2026-09-15 | 2,726,765 | -8.6% | 292,559 | 9.32 |
| 2026-08-31 | 2,981,829 | -40.8% | 238,372 | 12.51 |
| 2026-08-14 | 5,032,431 | +13.6% | 482,729 | 10.42 |
| 2026-07-31 | 4,429,973 | +6.0% | 428,016 | 10.35 |
| 2026-07-15 | 4,179,811 | +47.5% | 552,443 | 7.57 |
| 2026-06-30 | 2,833,866 | +139.9% | 824,119 | 3.44 |
| 2026-06-15 | 1,181,288 | +40.0% | 213,093 | 5.54 |
| 2026-05-29 | 843,660 | -1.3% | 338,023 | 2.50 |
| 2026-05-15 | 854,980 | +3.7% | 616,889 | 1.39 |
| 2026-04-30 | 824,655 | +5.7% | 214,971 | 3.84 |
| 2026-04-15 | 780,056 | +12.4% | 213,098 | 3.66 |
| 2026-03-31 | 693,909 | -3.9% | 178,753 | 3.88 |
| 2026-03-13 | 722,187 | -7.5% | 245,150 | 2.95 |
| 2026-02-27 | 780,896 | +0.5% | 76,926 | 10.15 |
| 2026-02-13 | 777,204 | -8.3% | 145,692 | 5.33 |
| 2026-01-30 | 847,429 | +8.5% | 89,120 | 9.51 |
| 2026-01-15 | 780,846 | +6.2% | 125,713 | 6.21 |
| 2025-12-31 | 735,610 | -3.3% | 163,729 | 4.49 |
| 2025-12-15 | 760,566 | +17.2% | 175,304 | 4.34 |
| 2025-11-28 | 649,162 | -33.6% | 186,515 | 3.48 |
| 2025-11-14 | 978,190 | -5.0% | 214,594 | 4.56 |
| 2025-10-31 | 1,029,495 | +393.8% | 8,521,699 | 1.00 |
| 2025-10-15 | 208,474 | -10.5% | 142,634 | 1.46 |
| 2025-09-30 | 232,984 | -9.7% | 109,809 | 2.12 |
| 2025-09-15 | 258,092 | +6.3% | 94,778 | 2.72 |
| 2025-08-29 | 242,686 | -17.6% | 154,011 | 1.58 |
| 2025-08-15 | 294,487 | -18.7% | 59,341 | 4.96 |
| 2025-07-31 | 362,073 | -5.2% | 102,131 | 3.55 |
| 2025-07-15 | 381,945 | -38.2% | 123,057 | 3.10 |
| 2025-06-30 | 618,295 | +116.4% | 187,148 | 3.30 |
| 2025-06-13 | 285,766 | +64.9% | 103,364 | 2.76 |
| 2025-05-30 | 173,323 | -6.9% | 138,015 | 1.26 |
| 2025-05-15 | 186,207 | -12.9% | 263,514 | 1.00 |
| 2025-04-30 | 213,786 | -81.3% | 52,085 | 4.10 |
| 2025-04-15 | 1,142,796 | -2.4% | 102,141 | 11.19 |
| 2025-03-31 | 1,170,841 | +21.2% | 129,304 | 9.05 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 3 November 2026, the short share of WHWK volume is 30.8%, up 4.3 points over the last five sessions. Over the last 30 readings it ranged from 26.5% (27 October 2026) to 89.2% (30 September 2026). The latest reading sits at the bottom of that range. The latest reading is 23.2 points below the 30-session average of 54.0%, on 210K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-03 | 65K | 210K | 30.8% | 0 |
| 2026-11-02 | 34K | 79K | 43.7% | 0 |
| 2026-10-30 | 27K | 37K | 72.6% | 0 |
| 2026-10-29 | 117K | 270K | 43.5% | 0 |
| 2026-10-28 | 41K | 121K | 34.1% | 0 |
| 2026-10-27 | 30K | 113K | 26.5% | 339 |
| 2026-10-26 | 46K | 72K | 63.7% | 0 |
| 2026-10-23 | 48K | 67K | 71.4% | 0 |
| 2026-10-22 | 43K | 94K | 45.7% | 0 |
| 2026-10-21 | 68K | 108K | 63.0% | 0 |
| 2026-10-20 | 67K | 198K | 33.7% | 1,845 |
| 2026-10-19 | 152K | 233K | 65.4% | 0 |
| 2026-10-16 | 78K | 109K | 71.7% | 0 |
| 2026-10-15 | 144K | 171K | 84.3% | 0 |
| 2026-10-14 | 98K | 228K | 42.9% | 20,326 |
| 2026-10-13 | 93K | 239K | 38.8% | 3,600 |
| 2026-10-12 | 39K | 85K | 46.3% | 120 |
| 2026-10-09 | 44K | 158K | 27.9% | 1,700 |
| 2026-10-08 | 35K | 54K | 65.9% | 0 |
| 2026-10-07 | 121K | 181K | 66.7% | 148 |
| 2026-10-06 | 85K | 198K | 42.9% | 0 |
| 2026-10-05 | 41K | 125K | 32.9% | 362 |
| 2026-10-02 | 79K | 133K | 59.4% | 1,900 |
| 2026-10-01 | 34K | 70K | 49.5% | 0 |
| 2026-09-30 | 79K | 88K | 89.2% | 0 |
| 2026-09-29 | 28K | 87K | 32.3% | 99 |
| 2026-09-28 | 71K | 116K | 60.9% | 0 |
| 2026-09-25 | 33K | 47K | 69.9% | 0 |
| 2026-09-24 | 61K | 90K | 67.4% | 0 |
| 2026-09-23 | 73K | 94K | 77.9% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 5 October 2026, the fails-to-deliver balance in WHWK is 61 shares, down 1,284 shares over the last settlement date. Over the last 30 readings it ranged from 56 shares (9 July 2026) to 149,191 shares (29 June 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-05 | 61 | $3.70 | $226 |
| 2026-09-21 | 1,345 | $4.20 | $6K |
| 2026-09-09 | 68 | $4.39 | $299 |
| 2026-08-19 | 2,775 | $4.76 | $13K |
| 2026-08-13 | 718 | $4.71 | $3K |
| 2026-08-11 | 6,200 | $4.55 | $28K |
| 2026-08-03 | 6,467 | $3.85 | $25K |
| 2026-07-29 | 8,861 | $3.68 | $33K |
| 2026-07-23 | 5,268 | $3.99 | $21K |
| 2026-07-09 | 56 | $3.96 | $222 |
| 2026-07-02 | 756 | $4.30 | $3K |
| 2026-07-01 | 100 | $4.58 | $458 |
| 2026-06-30 | 143,665 | $4.41 | $634K |
| 2026-06-29 | 149,191 | $4.16 | $621K |
| 2026-05-14 | 399 | $4.93 | $2K |
| 2026-04-06 | 104,100 | $3.51 | $365K |
| 2026-04-02 | 82,242 | $3.54 | $291K |
| 2026-03-04 | 18,614 | $3.30 | $61K |
| 2026-03-03 | 18,614 | $3.24 | $60K |
| 2026-02-26 | 550 | $3.30 | $2K |
| 2025-12-31 | 18,812 | $2.47 | $46K |
| 2025-12-22 | 1,919 | $2.56 | $5K |
| 2025-12-19 | 1,635 | $2.42 | $4K |
| 2025-12-18 | 2,065 | $2.30 | $5K |
| 2025-12-01 | 20,029 | $2.34 | $47K |
| 2025-11-17 | 2,300 | $2.14 | $5K |
| 2025-11-07 | 300 | $2.10 | $630 |
| 2025-10-30 | 10,715 | $2.46 | $26K |
| 2025-10-27 | 9,050 | $2.41 | $22K |
| 2025-10-17 | 13,462 | $2.61 | $35K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for WHWK in the last 90 days. The most recent filings are listed below. Latest filing: Dalal Anupam (Director) on 2026-05-14.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-05-14 | Dalal Anupam | Director | Grant | 1.3M | $3.92 | $5.0M | 4.7M |
| 2026-05-14 | Lennon David James | CHIEF EXECUTIVE OFFICER | Grant | 51K | $3.92 | $200K | 570K |
| 2026-05-14 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Grant | 38K | $3.92 | $150K | 333K |
| 2026-05-14 | Dugan Margaret | Chief Medical Officer | Grant | 19K | $3.92 | $75K | 19K |
| 2026-05-14 | Castelein Caley | Director | Grant | 255K | $3.92 | $1000K | 275K |
| 2026-05-14 | BALL BRYAN | See remarks | Grant | 51K | $3.92 | $200K | 448K |
| 2026-04-16 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Sell | 142K | $4.13 | $585K | 295K |
| 2026-04-15 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Sell | 77K | $3.86 | $297K | 437K |
| 2026-04-14 | BALL BRYAN | See remarks | Sell | 92K | $3.64 | $337K | 397K |
| 2026-04-13 | BALL BRYAN | See remarks | Sell | 26K | $3.46 | $91K | 490K |
| 2026-04-10 | BALL BRYAN | See remarks | Sell | 7K | $3.43 | $23K | 516K |
| 2026-04-09 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 15K | $3.38 | $49K | 519K |
| 2026-04-09 | BALL BRYAN | See remarks | Sell | 50K | $3.57 | $179K | 523K |
| 2026-04-08 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 64K | $3.40 | $217K | 533K |
| 2026-04-07 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 94K | $3.43 | $323K | 597K |
| 2026-04-06 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 102K | $3.51 | $359K | 691K |
| 2026-04-02 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 27K | $3.48 | $93K | 794K |
| 2026-04-01 | Lennon David James | CHIEF EXECUTIVE OFFICER | Exercise or conversion | 776K | price not stated in the filing | not stated | 820K |
| 2026-04-01 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Exercise or conversion | 474K | price not stated in the filing | not stated | 502K |
| 2026-04-01 | BALL BRYAN | See remarks | Exercise or conversion | 367K | price not stated in the filing | not stated | 573K |
| 2026-03-02 | BALL BRYAN | See remarks | Sell | 2K | $3.31 | $6K | 206K |
| 2026-03-02 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Sell | 3K | $3.31 | $9K | 28K |
| 2026-03-02 | Lennon David James | CHIEF EXECUTIVE OFFICER | Sell | 5K | $3.31 | $17K | 45K |
| 2026-03-01 | BALL BRYAN | See remarks | Exercise or conversion | 5K | price not stated in the filing | not stated | 208K |
| 2026-03-01 | Giacobello Scott M. | CHIEF FINANCIAL OFFICER | Exercise or conversion | 7K | price not stated in the filing | not stated | 31K |
| 2026-03-01 | Lennon David James | CHIEF EXECUTIVE OFFICER | Exercise or conversion | 16K | price not stated in the filing | not stated | 50K |
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. JSON4 Form 144 notices on file for WHWK worth $2.6M at the prices reported; 0 in the last 90 days worth $0. Latest: Giacobello Scott M. filed on 2026-04-15 to sell 233,766 shares ($900K) from 2026-04-15.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-04-15 | Giacobello Scott M.Officer | 234K | $900K | 0.495% | 2026-04-15 | E-TRADE Financial Corporation |
| 2026-04-09 | Lennon David JamesOfficer, Director | 4K | $15K | 0.009% | 2026-04-09 | E-TRADE Financial Corporation |
| 2026-04-09 | BALL BRYANOfficer | 197K | $650K | 0.417% | 2026-04-09 | E-TRADE Financial Corporation |
| 2026-04-02 | Lennon David JamesOfficer, Director | 297K | $1.0M | 0.630% | 2026-04-02 | E-TRADE Financial Corporation |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON13 holders report 5% or more of WHWK in their latest filing, 5 on Schedule 13D (active intent). The largest reported stake is Avoro Capital Advisors LLC at 20.0% of the class (15,893,516 shares), filed 2026-05-14 for an event on 2026-05-12.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-14 | 13G/Ano. 1 | Fan Yuindividual | 5.7M | 9.4% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Ally Bridge Group Global Life Science Capital Partners V, L.P.partnership | 4.9M | 8.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG-SIV, L.P.partnership | 4.9M | 8.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Global Life Science Capital Partners V GP, L.P.partnership | 4.9M | 8.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG V-SIV Limitedcorporation | 4.9M | 8.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Global Life Science Capital Partners V GP Limitedcorporation | 4.9M | 8.1% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Management Ltd.corporation | 818K | 1.4% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Ally Bridge Group (NY) LLCother entity | 818K | 1.4% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Ally Bridge MedAlpha Master Fund L.P.partnership | 818K | 1.4% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Innovation-SO Limitedcorporation | 0 | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | Ally Bridge Group Innovation Capital Partners III, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Innovation Capital Partners III GP, L.P.partnership | 0 | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | ABG Innovation Capital Partners III GP Limitedcorporation | 0 | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | OrbiMed Advisors LLCinvestment adviser | 3.9M | 7.3% | 2026-06-30 |
| 2026-08-14 | 13G/Ano. 1 | OrbiMed Genesis GP LLCother entity | 3.9M | 7.3% | 2026-06-30 |
| 2026-05-18 | 13D/Ano. 2 | ANUPAM DALALindividual, parent holding company | 4.8M | 9.0% | 2026-05-14 |
| 2026-05-18 | 13D/Ano. 2 | ACUTA CAPITAL PARTNERS, LLCinvestment adviser, other entity | 4.7M | 8.7% | 2026-05-14 |
| 2026-05-18 | 13D/Ano. 2 | Acuta Capital Fund, LPpartnership | 3.5M | 6.6% | 2026-05-14 |
| 2026-05-14 | 13D/Ano. 5 | Avoro Capital Advisors LLCinvestment adviser, other entity | 15.9M | 20.0% | 2026-05-12 |
| 2026-05-14 | 13D/Ano. 5 | Behzad Aghazadehindividual | 18.3M | 20.0% | 2026-05-12 |
| 2026-05-14 | 13D/Ano. 5 | Avoro Ventures LLCinvestment adviser, other entity | 2.3M | 4.1% | 2026-05-12 |
13F holders
Tracked managers holding WHWK at their latest 13F. JSON5 of the 30 tracked managers held WHWK at their latest 13F, $5.4M in total at quarter-end prices. Renaissance Technologies is the largest at $1.9M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 2 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Renaissance Technologies | 2026-06-30 | 414K | $1.9M | 0.00% | -15K |
| Millennium Management | 2026-06-30 | 380K | $1.7M | 0.00% | +71K |
| Two Sigma Investments | 2026-06-30 | 297K | $1.4M | 0.00% | +23K |
| Point72 Asset Management | 2026-06-30 | 57K | $262K | 0.00% | +29K |
| Citadel Advisors | 2026-06-30 | 30K | $138K | 0.00% | -62K |
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
Whitehawk 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 Whitehawk Therapeutics (WHWK), SEC CIK 1422142, 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 2026-11-03.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-05.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 2026-04-15.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 2026-08-06.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 2026-05-14.JSON and CSV
- Company record
- EDGAR filing index for CIK 1422142Ticker, 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.
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Datasets
Frequently Asked Questions
How much of WHWK is sold short?
What is WHWK's daily short volume?
Does WHWK have fails to deliver?
Are WHWK insiders buying or selling?
Have WHWK insiders filed to sell?
Who owns 5% or more of WHWK?
Which tracked 13F managers own WHWK?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.