Bradford T. Whitmore
Known title: 10% OwnerCIK: 0000933430
Bradford T. Whitmore's purchase track record
How the stock did after each of Bradford T. Whitmore's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
31
of 32 since December 17, 2021
Stock higher 6 months later
52%
3 months: 66%
Median 6-month return
+2.5%
3 months: +8.2%
Beat the S&P 500
45%
median -6.5% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 5/21/2026 | ULBI | $715K | +9.1% | pending | — |
| 3/12/2026 | ULBI | $1.20M | +7.3% | -6.8% | +13.8% |
| 12/12/2025 | ULBI | $301K | +13.9% | +14.4% | +8.8% |
| 11/19/2025 | ULBI | $268K | +19.2% | +18.4% | +11.9% |
| 8/19/2025 | ULBI | $387K | -24.1% | -6.5% | +6.7% |
| 6/13/2025 | ULBI | $76K | -11.5% | -25.7% | +14.2% |
| 5/29/2025 | SLSN | $28.09M | -14.9% | -44.8% | +15.8% |
| 5/23/2025 | ULBI | $65K | +32.0% | -4.0% | +13.8% |
| 5/13/2025 | ULBI | $148K | +24.3% | +2.5% | +16.3% |
| 2/8/2024 | SLSN | $1.53M | +182.3% | +162.8% | +6.4% |
| 12/6/2023 | ULBI | $111K | +42.5% | +64.0% | +17.7% |
| 11/27/2023 | ULBI | $181K | +30.1% | +69.6% | +16.6% |
| 10/30/2023 | ULBI | $99K | -0.3% | +59.6% | +22.8% |
| 9/13/2023 | ULBI | $112K | -29.2% | -14.6% | +15.6% |
| 8/21/2023 | SLSN | $79K | -22.0% | -10.0% | +13.1% |
| 6/12/2023 | ULBI | $398K | +108.9% | +45.3% | +6.5% |
| 5/30/2023 | ULBI | $173K | +122.1% | +68.8% | +8.3% |
| 5/30/2023 | SLSN | $19K | -9.3% | -36.4% | +8.3% |
| 5/17/2023 | SLSN | $56K | +10.9% | -15.8% | +8.3% |
| 5/9/2023 | ULBI | $117K | +120.9% | +99.5% | +6.3% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| ULBI | ▲ Buy | Open Market | 67,302 | $459K | 5/26/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 8,700 | $55K | 5/22/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 32,876 | $202K | 5/21/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 53,131 | $359K | 3/16/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 100,640 | $636K | 3/13/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 33,741 | $201K | 3/12/2026 | View on chart |
| ULBI | ▲ Buy | Open Market | 28,588 | $163K | 12/16/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 14,882 | $84K | 12/15/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 9,530 | $54K | 12/12/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 53,900 | $268K | 11/19/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 29,766 | $197K | 8/21/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 13,000 | $85K | 8/20/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 15,898 | $104K | 8/19/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 10,000 | $76K | 6/13/2025 | View on chart |
| SLSN | ▲ Buy | Open Market | 2,500,000 | $10.5M | 5/29/2025 | View on chart |
| SLSN | ▼ Sell | Open Market | 2,500,000 | $10.5M | 5/29/2025 | View on chart |
| SLSN | ▼ Sell | Open Market | 4,189,000 | $17.6M | 5/29/2025 | View on chart |
| SLSN | ▲ Buy | Open Market | 4,189,000 | $17.6M | 5/29/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 11,980 | $65K | 5/23/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 2,140 | $12K | 5/15/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 16,063 | $88K | 5/14/2025 | View on chart |
| ULBI | ▲ Buy | Open Market | 8,957 | $48K | 5/13/2025 | View on chart |
| SLSN | ▼ Sell | Other | 15,000,000 | $0 | 6/25/2024 | View on chart |
| SLSN | ▲ Buy | Open Market | 74,105 | $30K | 2/8/2024 | View on chart |
| SLSN | ▲ Buy | Open Market | 6,337 | $3K | 2/8/2024 | View on chart |
| SLSN | ▲ Buy | Open Market | 2,791,725 | $1.1M | 2/8/2024 | View on chart |
| SLSN | ▲ Buy | Open Market | 952,697 | $381K | 2/8/2024 | View on chart |
| ULBI | ▲ Buy | Open Market | 7,000 | $50K | 12/8/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 8,877 | $61K | 12/6/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 10,740 | $79K | 11/29/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 11,160 | $79K | 11/28/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 3,200 | $23K | 11/27/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 1,100 | $8K | 11/1/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 2,600 | $19K | 10/31/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 10,171 | $72K | 10/30/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 3,741 | $38K | 9/15/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 1,600 | $17K | 9/14/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 5,659 | $57K | 9/13/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 2,100 | $2K | 8/23/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 39,549 | $36K | 8/22/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 44,198 | $41K | 8/21/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 33,797 | $168K | 6/14/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 33,400 | $167K | 6/13/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 13,401 | $63K | 6/12/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 5,964 | $26K | 6/2/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 20,247 | $88K | 6/1/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 500 | $603 | 6/1/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 7,216 | $31K | 5/31/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 7,700 | $9K | 5/31/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 6,500 | $28K | 5/30/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 8,200 | $10K | 5/30/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 5,650 | $7K | 5/19/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 8,200 | $9K | 5/18/2023 | View on chart |
| SLSN | ▲ Buy | Open Market | 53,040 | $41K | 5/17/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 20,256 | $83K | 5/11/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 3,979 | $16K | 5/10/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 4,553 | $18K | 5/9/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 14,338 | $58K | 3/13/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 10,100 | $41K | 3/10/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 5,562 | $23K | 3/9/2023 | View on chart |
| ULBI | ▲ Buy | Open Market | 7,200 | $29K | 12/16/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 5,138 | $20K | 12/15/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 300,488 | $331K | 12/15/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 25,694 | $103K | 12/14/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 28,600 | $118K | 12/8/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 92,000 | $107K | 12/8/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 19,600 | $78K | 12/7/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 450 | $527 | 12/7/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 20,996 | $83K | 12/6/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 86,318 | $105K | 12/6/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 73,400 | $103K | 11/18/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 47,160 | $65K | 11/17/2022 | View on chart |
| SLSN | ▲ Buy | Open Market | 12,625 | $18K | 11/16/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 17,700 | $82K | 8/18/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 16,400 | $75K | 8/17/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 40,052 | $189K | 8/4/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 29,100 | $136K | 8/3/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 30,848 | $142K | 8/2/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 30,690 | $160K | 6/8/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 12,280 | $60K | 6/6/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 30 | $157 | 2/28/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 100 | $514 | 2/25/2022 | View on chart |
| ULBI | ▲ Buy | Open Market | 54,900 | $244K | 2/24/2022 | View on chart |
| SLSN | ▼ Sell | Open Market | 7,731,573 | $32.4M | 12/21/2021 | View on chart |
| SLSN | ▲ Buy | Open Market | 7,731,573 | $32.4M | 12/21/2021 | View on chart |
| ULBI | ▲ Buy | Open Market | 53,251 | $297K | 12/17/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 28, 2026
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