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William Wesemann

LPSN
DIRECTOR · LIVEPERSON INC · CIK 0001310687
FILING MIX · LIFETIME52%/48%
BUYS
17
SELLS
16
TOTAL VALUE
$2.02M
COMPANIES
2
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
676,398
AVG SELL PX
$49.36
TRADE KIND
SHOWING 33 / 33
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
16 backtested trades · 8 horizons · 4 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by William Wesemann, 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
7d16+31.25%+4.37%+1.60%+2.77%+2.65%—
14d16+43.75%+5.38%+2.66%+3.21%+5.24%—
30d16+50.00%+5.38%+3.64%+1.74%-1.09%—
60d16+18.75%+14.02%+5.81%+8.21%+10.32%—
90d16(1 pending)+20.00%+12.73%+6.59%+6.14%+14.60%—
180d16(1 pending)+26.67%+26.43%+16.88%+9.55%+3.25%—
1y16(1 pending)+13.33%+16.77%+34.21%-17.43%-16.85%—
2y16(1 pending)+86.67%-72.31%+24.85%-97.15%-92.84%—
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
LPSN · 654,835 shares · as of Aug 25, 2025
0163,709327,418491,126654,83520212022202320242025SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
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 / 16 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ACON
ACLARION, INC.
PURCHASEGRANT
Stock grant
20,000——21,563Jun 11, 2026Jun 12, 2026 ↗View →
ACON
ACLARION, INC.
PURCHASE
1,562$3.30$5.2K1,563May 6, 2026May 8, 2026 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
200,000——654,835Aug 25, 2025Aug 27, 2025 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
80,000——454,835Dec 16, 2024Dec 18, 2024 ↗View →
LPSN
LIVEPERSON INC
PURCHASE10b5-1
10b5-1 plan
100,000$1.00$100.0K374,835Mar 12, 2024Mar 13, 2024 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
59,881——274,835Oct 5, 2023Oct 10, 2023 ↗View →
LPSN
LIVEPERSON INC
PURCHASE
20,000$3.91$78.2K214,954Mar 23, 2023Mar 27, 2023 ↗View →
ACON
ACLARION, INC.
PURCHASEGRANT
Stock grant
63,000——63,000Dec 29, 2022Dec 29, 2022 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
13,124——194,954Aug 4, 2022Sep 22, 2022 ↗View →
LPSN
LIVEPERSON INC
PURCHASE
15,000$17.88$268.2K181,830May 2, 2022May 4, 2022 ↗View →
LPSN
LIVEPERSON INC
SALE
15,000——0May 2, 2022May 4, 2022 ↗View →
ACON
ACLARION, INC.
PURCHASE
11,000$4.35$47.9K52,736Apr 21, 2022Apr 25, 2022 ↗View →
ACON
ACLARION, INC.
PURCHASE
11,000——21,040Apr 21, 2022Apr 25, 2022 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
3,910——3,910May 26, 2021Jun 4, 2021 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
1,830——166,830May 26, 2021Jun 4, 2021 ↗View →
LPSN
LIVEPERSON INC
SALE
15,000——0Feb 9, 2021Feb 11, 2021 ↗View →
LPSN
LIVEPERSON INC
PURCHASE
15,000$11.96$179.4K165,000Feb 9, 2021Feb 11, 2021 ↗View →
LPSN
LIVEPERSON INC
SALE
2,500$57.50$143.8K0Dec 1, 2020Dec 2, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
2,500$53.10$132.8K2,500Nov 2, 2020Nov 4, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
455$53.56$24.4K0Oct 1, 2020Oct 5, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
2,045$52.64$107.6K455Oct 1, 2020Oct 5, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
2,500$58.50$146.3K2,500Sep 1, 2020Sep 3, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
3,000$54.84$164.5K5,000Aug 5, 2020Aug 7, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
1,000$45.01$45.0K8,000Aug 3, 2020Aug 4, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
1,000$43.17$43.2K9,000Aug 3, 2020Aug 4, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
5,000$45.00$225.0K10,000Jul 9, 2020Jul 13, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
900$41.64$37.5K15,000Jul 1, 2020Jul 2, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
100$41.29$4.1K15,900Jul 1, 2020Jul 2, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
3,900$40.00$156.0K16,000Jun 25, 2020Jun 25, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
100$40.02$4.0K19,900Jun 25, 2020Jun 25, 2020 ↗View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
12,107——12,107Jun 11, 2020Jun 15, 2020 ↗View →
LPSN
LIVEPERSON INC
SALE
15,000——0Feb 20, 2020Feb 21, 2020 ↗View →
LPSN
LIVEPERSON INC
PURCHASE
15,000$6.97$104.5K150,000Feb 20, 2020Feb 21, 2020 ↗View →
Other insiders · LPSN
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About this filer
CIK 0001310687
ROLE
Director
PRIMARY
LPSN
COMPANIES
2
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001310687DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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