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VD

Vinayak Doraiswamy

ATRC
CHIEF SCIENTIFIC OFFICER · ATRICURE, INC. · CIK 0001862458
FILING MIX · LIFETIME61%/39%
BUYS
17
SELLS
11
TOTAL VALUE
$3.33M
COMPANIES
1
ACTIVE SINCE
Jun 2021
HOLDINGS NOW
92,511
AVG SELL PX
$43.51
TRADE KIND
SHOWING 28 / 28
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
5 backtested trades · 8 horizons · 6 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Vinayak Doraiswamy, 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
7d5+80.00%-3.85%-0.73%-3.12%-5.21%—
14d5+80.00%-4.42%-0.93%-3.49%-4.76%—
30d5+100.00%-10.87%+0.72%-11.59%-8.38%—
60d5+80.00%-5.97%+5.91%-11.88%-12.93%—
90d5+80.00%-4.91%+6.36%-11.27%-15.98%—
180d5(1 pending)+75.00%-7.91%+8.29%-16.20%-14.80%—
1y5(2 pending)+100.00%-21.98%+2.14%-28.06%-28.06%—
2y5(3 pending)+100.00%-38.28%+26.83%-65.11%-65.11%—
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
ATRC · 92,511 shares · as of Jun 30, 2026
029,36558,73088,095117,46020222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 17 buys / 11 sellsCOVERAGE · 21 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
636$23.78$15.1K92,511Jun 30, 2026Jul 2, 2026 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
5,000$28.13$140.7K91,875May 15, 2026May 18, 2026 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
5,000$29.83$149.2K96,875Mar 12, 2026Mar 16, 2026 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
15,585$31.26$487.2K101,875Mar 1, 2026Mar 3, 2026 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
30,390——102,262Mar 1, 2026Mar 3, 2026 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
15,198——117,460Mar 1, 2026Mar 3, 2026 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
2,500$36.58$91.5K71,872Aug 5, 2025Aug 7, 2025 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
822$25.84$21.2K74,372Jun 30, 2025Jul 2, 2025 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
2,500$33.44$83.6K73,550May 28, 2025May 30, 2025 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
6,579——85,722Mar 1, 2025Mar 4, 2025 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
19,359——79,143Mar 1, 2025Mar 4, 2025 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
9,672$38.74$374.7K76,050Mar 1, 2025Mar 4, 2025 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
707$19.35$13.7K59,784Jun 28, 2024Jul 2, 2024 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
19,294——58,604Mar 1, 2024Mar 5, 2024 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
9,328——67,932Mar 1, 2024Mar 5, 2024 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
8,855$36.28$321.3K59,077Mar 1, 2024Mar 5, 2024 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
557$38.11$21.2K39,310Jun 30, 2023Jul 3, 2023 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
4,793$38.81$186.0K38,753Mar 1, 2023Mar 3, 2023 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
8,036——27,442Mar 1, 2023Mar 3, 2023 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
16,104——43,546Mar 1, 2023Mar 3, 2023 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
4,983$45.99$229.2K19,406Sep 15, 2022Sep 19, 2022 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
350$34.73$12.2K24,389Jun 30, 2022Jul 5, 2022 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
7,789——24,688Mar 1, 2022Mar 3, 2022 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
6,825——31,513Mar 1, 2022Mar 3, 2022 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
7,474$69.59$520.1K24,039Mar 1, 2022Mar 3, 2022 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
24$59.10$1.4K16,899Dec 31, 2021Jan 4, 2022 ↗View →
ATRC
ATRICURE, INC.
SALE
Chief Scientific Officer
7,672$83.12$637.7K16,875Jul 12, 2021Jul 14, 2021 ↗View →
ATRC
ATRICURE, INC.
PURCHASEGRANT
Stock grant
428$45.72$19.6K24,547Jun 30, 2021Jul 2, 2021 ↗View →
Other insiders · ATRC
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About this filer
CIK 0001862458
ROLE
Chief Scientific Officer
PRIMARY
ATRC
COMPANIES
1
ACTIVE SINCE
Jun 2021
MARKETPEEL · /INSIDER/0001862458DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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