MarketPeel
Insider Trading Intelligence
SB

Susan L. Bostrom

CDNS
DIRECTOR · CADENCE DESIGN SYSTEMS INC · CIK 0001181469
FILING MIX · LIFETIME48%/52%
BUYS
32
SELLS
35
TOTAL VALUE
$22.55M
COMPANIES
5
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
302,318
AVG SELL PX
$53.41
TRADE KIND
SHOWING 67 / 67
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
26 backtested trades · 8 horizons · 21 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Susan L. Bostrom, 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
7d26+69.23%-1.57%+0.25%-1.82%-1.60%
14d26+65.38%-3.31%+0.49%-3.80%-1.94%
30d26+65.38%-2.35%+1.28%-3.63%-6.73%
60d26+57.69%-2.46%+0.38%-5.66%-8.38%
90d26+42.31%-1.50%+3.47%-4.97%+1.33%
180d26(2 pending)+54.17%-3.04%+10.74%-13.78%-22.75%
1y26(8 pending)+33.33%+8.93%+23.14%-14.21%-14.65%
2y26(11 pending)+53.33%+9.35%+36.71%-27.36%-23.17%
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
CDNS · 3,789 shares · as of Feb 25, 2021
03,2346,4689,70112,9352021SHARES 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 · 32 buys / 35 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
GTLB
GITLAB INC.
PURCHASEGRANT
Stock grant
7,55524,874Jun 17, 2026Jun 22, 2026View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
3,26021,685May 21, 2026May 26, 2026View →
GTLB
GITLAB INC.
SALE
22,500$20.32$457.2K17,319Mar 27, 2026Mar 30, 2026View →
GTLB
GITLAB INC.
SALE
10,000$20.45$204.5K39,819Mar 27, 2026Mar 30, 2026View →
GTLB
GITLAB INC.
SALE
30,000$39.25$1.18M49,819Dec 9, 2025Dec 10, 2025View →
GTLB
GITLAB INC.
SALE
10,000$39.50$395.0K139,819Dec 8, 2025Dec 10, 2025View →
GTLB
GITLAB INC.
SALE
15,000$39.42$591.3K94,819Dec 8, 2025Dec 10, 2025View →
GTLB
GITLAB INC.
SALE
15,000$39.55$593.3K124,819Dec 8, 2025Dec 10, 2025View →
GTLB
GITLAB INC.
SALE
15,000$39.50$592.5K79,819Dec 8, 2025Dec 10, 2025View →
GTLB
GITLAB INC.
SALE
15,000$39.75$596.3K109,819Dec 8, 2025Dec 10, 2025View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
6,371217,403Jul 29, 2025Jul 31, 2025View →
GTLB
GITLAB INC.
PURCHASEGRANT
Stock grant
4,906149,819Jun 20, 2025Jun 23, 2025View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
3193,685May 22, 2025May 27, 2025View →
GTLB
GITLAB INC.
SALE
40,000$51.88$2.08M144,913Mar 19, 2025Mar 21, 2025View →
GTLB
GITLAB INC.
SALE
20,000$56.26$1.13M184,913Dec 31, 2024Jan 3, 2025View →
GTLB
GITLAB INC.
SALE
20,000$60.19$1.20M204,913Dec 24, 2024Dec 27, 2024View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
1,293211,032Sep 4, 2024Sep 6, 2024View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
5,685209,739Jul 10, 2024Jul 11, 2024View →
GTLB
GITLAB INC.
PURCHASEGRANT
Stock grant
4,044224,913Jun 27, 2024Jun 28, 2024View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
4283,366May 23, 2024May 28, 2024View →
IOT
SAMSARA INC.
SALE
20,000$35.22$704.5K204,054Dec 26, 2023Dec 28, 2023View →
IOT
SAMSARA INC.
SALE
30,000$34.36$1.03M224,054Dec 12, 2023Dec 13, 2023View →
GTLB
GITLAB INC.
SALE
40,000$60.87$2.43M220,869Dec 12, 2023Dec 13, 2023View →
IOT
SAMSARA INC.
SALE
10,000$34.12$341.2K254,054Dec 11, 2023Dec 13, 2023View →
GTLB
GITLAB INC.
SALE
15,000$51.00$765.0K260,869Sep 13, 2023Sep 15, 2023View →
GTLB
GITLAB INC.
SALE
15,000$53.15$797.3K275,869Sep 12, 2023Sep 12, 2023View →
GTLB
GITLAB INC.
SALE
15,000$53.00$795.0K290,869Sep 11, 2023Sep 12, 2023View →
GTLB
GITLAB INC.
SALE
20,000$52.76$1.06M305,869Sep 8, 2023Sep 12, 2023View →
GTLB
GITLAB INC.
PURCHASEGRANT
Stock grant
3,939325,869Jun 29, 2023Jun 30, 2023View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
7,233264,054Jun 29, 2023Jun 30, 2023View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
5982,938Jun 1, 2023Jun 5, 2023View →
IOT
SAMSARA INC.
PURCHASE
150,000256,821Dec 15, 2022Dec 19, 2022View →
IOT
SAMSARA INC.
SALE
150,0000Dec 15, 2022Dec 19, 2022View →
IOT
SAMSARA INC.
PURCHASE
15,000106,821Sep 15, 2022Sep 19, 2022View →
IOT
SAMSARA INC.
SALE
15,000150,000Sep 15, 2022Sep 19, 2022View →
IOT
SAMSARA INC.
PURCHASE
15,00015,000Sep 15, 2022Sep 19, 2022View →
IOT
SAMSARA INC.
SALE
15,0000Sep 15, 2022Sep 19, 2022View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
16,82191,821Jun 22, 2022Jun 23, 2022View →
GTLB
GITLAB INC.
PURCHASEGRANT
Stock grant
4,430321,930Jun 17, 2022Jun 22, 2022View →
IOT
SAMSARA INC.
SALE
15,0000Jun 15, 2022Jun 17, 2022View →
IOT
SAMSARA INC.
PURCHASE
15,00015,000Jun 15, 2022Jun 17, 2022View →
IOT
SAMSARA INC.
PURCHASE
15,00075,000Jun 15, 2022Jun 17, 2022View →
IOT
SAMSARA INC.
SALE
15,000165,000Jun 15, 2022Jun 17, 2022View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
6602,340Jun 9, 2022Jun 13, 2022View →
IOT
SAMSARA INC.
PURCHASE
60,00060,000Mar 15, 2022Mar 17, 2022View →
IOT
SAMSARA INC.
SALE
60,000180,000Mar 15, 2022Mar 17, 2022View →
IOT
SAMSARA INC.
PURCHASE
60,00060,000Mar 15, 2022Mar 17, 2022View →
IOT
SAMSARA INC.
SALE
60,0000Mar 15, 2022Mar 17, 2022View →
GTLB
GITLAB INC.
PURCHASE
317,500317,500Dec 30, 2021Jan 4, 2022View →
GTLB
GITLAB INC.
SALE
317,5000Dec 30, 2021Jan 4, 2022View →
IOT
SAMSARA INC.
PURCHASEGRANT
Stock grant
240,000240,000Dec 14, 2021Dec 16, 2021View →
NTNX
NUTANIX, INC.
PURCHASEGRANT
Stock grant
7,36534,567Dec 10, 2021Dec 14, 2021View →
NOW
SERVICENOW, INC.
SALE
100$462.45$46.2K1,680Aug 3, 2021Aug 4, 2021View →
NOW
SERVICENOW, INC.
SALE
4,400$461.38$2.03M1,780Aug 3, 2021Aug 4, 2021View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
7076,180Jun 7, 2021Jun 8, 2021View →
CDNS
CADENCE DESIGN SYSTEMS INC
PURCHASEGRANT
Stock grant
1,3773,789Feb 25, 2021Mar 1, 2021View →
NTNX
NUTANIX, INC.
PURCHASEGRANT
Stock grant
12,55627,202Dec 11, 2020Dec 14, 2020View →
NTNX
NUTANIX, INC.
PURCHASEGRANT
Stock grant
40414,646Oct 28, 2020Oct 28, 2020View →
NTNX
NUTANIX, INC.
SALE
25,761$28.21$726.6K14,242Sep 1, 2020Sep 2, 2020View →
NOW
SERVICENOW, INC.
SALE
1,415$434.31$614.5K5,473Aug 7, 2020Aug 11, 2020View →
NOW
SERVICENOW, INC.
SALE
85$434.25$36.9K6,888Aug 7, 2020Aug 11, 2020View →
CDNS
CADENCE DESIGN SYSTEMS INC
SALE
10,000$110.24$1.10M2,935Aug 4, 2020Aug 6, 2020View →
NOW
SERVICENOW, INC.
PURCHASEGRANT
Stock grant
8116,973Jun 17, 2020Jun 19, 2020View →
CDNS
CADENCE DESIGN SYSTEMS INC
PURCHASEGRANT
Gift
5,35912,935Feb 24, 2020Aug 6, 2020View →
CDNS
CADENCE DESIGN SYSTEMS INC
SALEGRANT
Gift
5,3592,412Feb 24, 2020Aug 6, 2020View →
CDNS
CADENCE DESIGN SYSTEMS INC
PURCHASEGRANT
Stock grant
2,4127,771Feb 14, 2020Feb 19, 2020View →
NOW
SERVICENOW, INC.
SALE
3,000$353.66$1.06M6,162Feb 4, 2020Feb 5, 2020View →
Other insiders · CDNS
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About this filer
CIK 0001181469
ROLE
Director
PRIMARY
CDNS
COMPANIES
5
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001181469DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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