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WB

William W. Burke

TCMD
DIRECTOR · TACTILE SYSTEMS TECHNOLOGY INC · CIK 0001200612
FILING MIX · LIFETIME49%/51%
BUYS
17
SELLS
18
TOTAL VALUE
$1.86M
COMPANIES
2
ACTIVE SINCE
May 2020
HOLDINGS NOW
78,063
AVG SELL PX
$26.22
TRADE KIND
SHOWING 35 / 35
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
12 backtested trades · 8 horizons · 5 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by William W. Burke, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d12+50.00%+2.61%+2.57%+0.04%+0.45%—
14d12+33.33%+2.85%+3.62%-0.77%-0.76%—
30d12+41.67%-1.02%+2.93%-3.95%-4.08%—
60d12+58.33%-6.08%+4.76%-10.85%-7.28%—
90d12+58.33%-3.39%+6.42%-9.81%-13.16%—
180d12+66.67%+2.24%+12.71%-10.47%-19.94%—
1y12(2 pending)+70.00%+13.52%+20.19%-6.67%-42.43%—
2y12(3 pending)+77.78%-26.91%+26.90%-53.81%-62.59%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
TCMD · 55,041 shares · as of May 6, 2026
013,76027,52141,28155,041202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 17 buys / 18 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CBLL
CERIBELL, INC.
SALE10b5-1
10b5-1 plan
2,207$19.84$43.8K23,022Jun 30, 2026Jul 2, 2026 ↗View →
CBLL
CERIBELL, INC.
PURCHASEGRANT
Stock grant
7,838——25,229Jun 2, 2026Jun 4, 2026 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
6,521——55,041May 6, 2026May 8, 2026 ↗View →
CBLL
CERIBELL, INC.
PURCHASE
23,000$4.70$108.1K40,391Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
SALE10b5-1
10b5-1 plan
23,000$22.02$506.5K17,391Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
PURCHASE
9,728$2.26$22.0K27,119Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
SALE10b5-1
10b5-1 plan
9,728$22.02$214.2K17,391Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
SALE
9,728——0Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
SALE
23,000——25,151Dec 9, 2025Dec 11, 2025 ↗View →
CBLL
CERIBELL, INC.
PURCHASEGRANT
Stock grant
8,828——17,391Jun 10, 2025Jun 17, 2025 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE10b5-1
10b5-1 plan
3,300$9.67$31.9K48,520May 8, 2025May 9, 2025 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
16,078——51,820May 7, 2025May 9, 2025 ↗View →
CBLL
CERIBELL, INC.
PURCHASEGRANT
Stock grant
6,618——8,563Oct 11, 2024Oct 16, 2024 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
10,469——35,742May 8, 2024May 10, 2024 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE10b5-1
10b5-1 plan
2,500$14.06$35.1K25,273May 8, 2024May 10, 2024 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE10b5-1
10b5-1 plan
4,400$21.86$96.2K27,773May 12, 2023May 16, 2023 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
7,737——32,173May 8, 2023May 10, 2023 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASE
4,900$9.15$44.8K24,436Aug 4, 2022Aug 8, 2022 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,100$10.12$11.1K19,536May 19, 2022May 23, 2022 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
12,103——20,636May 9, 2022May 11, 2022 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
6,761$55.00$371.9K8,533Jun 24, 2021Jun 28, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASE
6,391$21.68$138.6K13,924Jun 24, 2021Jun 28, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASE
1,370$10.00$13.7K15,294Jun 24, 2021Jun 28, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,370——0Jun 24, 2021Jun 28, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
———0Jun 24, 2021Jun 28, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
2,490——7,533May 17, 2021May 19, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
800$52.08$41.7K5,043May 13, 2021May 17, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,500$45.13$67.7K5,843Jan 4, 2021Jan 6, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASE
1,500$10.00$15.0K7,343Jan 4, 2021Jan 6, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,500——1,370Jan 4, 2021Jan 6, 2021 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,500——2,870Nov 2, 2020Nov 4, 2020 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
1,500$37.50$56.3K5,843Nov 2, 2020Nov 4, 2020 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASE
1,500$10.00$15.0K7,343Nov 2, 2020Nov 4, 2020 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
SALE
550$49.94$27.5K5,843May 13, 2020May 15, 2020 ↗View →
TCMD
TACTILE SYSTEMS TECHNOLOGY INC
PURCHASEGRANT
Stock grant
2,672——6,393May 4, 2020May 6, 2020 ↗View →
Other insiders · TCMD
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About this filer
CIK 0001200612
ROLE
Director
PRIMARY
TCMD
COMPANIES
2
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001200612DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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