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George C. Clark

BHVN
VP, CHIEF ACCOUNTING OFFICER · BIOHAVEN LTD. · CIK 0001878290
FILING MIX · LIFETIME33%/67%
BUYS
18
SELLS
36
TOTAL VALUE
$3.66M
COMPANIES
1
ACTIVE SINCE
Nov 2021
HOLDINGS NOW
50,000
AVG SELL PX
$119.15
TRADE KIND
SHOWING 54 / 54
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
1 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by George C. Clark, 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
7d1+100.00%+17.05%+0.46%+16.59%+16.59%—
14d1+100.00%+12.70%+2.19%+10.50%+10.50%—
30d1+100.00%+31.44%+0.86%+30.58%+30.58%—
60d1+100.00%+58.89%+3.90%+54.98%+54.98%—
90d1+100.00%+37.36%+2.42%+34.95%+34.95%—
180d1+100.00%+9.43%+11.51%-2.08%-2.08%—
1y1(1 pending)——————
2y1(1 pending)——————
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
BHVN · 50,000 shares · as of Feb 27, 2026
017,02434,04851,07168,09520222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 18 buys / 36 sellsCOVERAGE · 18 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
50,000——50,000Feb 27, 2026Mar 3, 2026 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,500——5,000Jan 5, 2026Jan 7, 2026 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,117$9.93$11.1K66,978Jan 5, 2026Jan 7, 2026 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
2,500——68,095Jan 5, 2026Jan 7, 2026 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
17,000$8.52$144.8K20,000Nov 17, 2025Nov 18, 2025 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
10,000——10,000Jan 5, 2025Jan 7, 2025 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
2,500——66,168Jan 5, 2025Jan 7, 2025 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,500——7,500Jan 5, 2025Jan 7, 2025 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
30,000——30,000Jan 5, 2025Jan 7, 2025 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,117$38.64$43.2K65,051Jan 5, 2025Jan 7, 2025 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
27,500——27,500Jan 2, 2024Jan 4, 2024 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
22,500——22,500Nov 2, 2023Nov 6, 2023 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
775——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
3,000——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,398——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
10,000——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
4,292$148.50$637.4K0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
960——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,750——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,000——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
9,225——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
15,000——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,250——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,915——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
4,602——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,250——0Oct 3, 2022Oct 3, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,250——2,250May 10, 2022May 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
2,250$53.76$121.0K8,265May 10, 2022May 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
4,200$141.50$594.3K4,065May 10, 2022May 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
3,750$53.76$201.6K13,470Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
1,920$32.42$62.2K15,390Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
3,750——4,500Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,159$116.02$250.5K10,035Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
3,196$114.93$367.3K12,194Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
3,520$119.37$420.2K6,015Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,920——2,875Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
500$118.05$59.0K9,535Jan 19, 2022Jan 24, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
1,000——10,184Jan 10, 2022Jan 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
464$128.87$59.8K9,720Jan 10, 2022Jan 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,000——1,000Jan 10, 2022Jan 12, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,000——4,000Jan 7, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
1,000——9,706Jan 7, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
10,000——10,000Jan 7, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASEGRANT
Stock grant
5,000——5,000Jan 7, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
522$128.87$67.3K9,184Jan 7, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
409$123.86$50.7K8,706Jan 6, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
875——1,750Jan 6, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
875——9,115Jan 6, 2022Jan 7, 2022 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,915$123.84$237.2K8,240Dec 20, 2021Dec 22, 2021 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
5,000——12,473Nov 26, 2021Nov 26, 2021 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
2,318$115.55$267.8K10,155Nov 26, 2021Nov 26, 2021 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
5,000——15,000Nov 26, 2021Nov 26, 2021 ↗View →
BHVN
BIOHAVEN LTD.
PURCHASE
VP, Chief Accounting Officer
1,915$32.42$62.1K7,473Nov 23, 2021Nov 26, 2021 ↗View →
BHVN
BIOHAVEN LTD.
SALE
VP, Chief Accounting Officer
1,915——4,795Nov 23, 2021Nov 26, 2021 ↗View →
Other insiders · BHVN
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About this filer
CIK 0001878290
ROLE
VP, Chief Accounting Officer
PRIMARY
BHVN
COMPANIES
1
ACTIVE SINCE
Nov 2021
MARKETPEEL · /INSIDER/0001878290DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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