MarketPeel
Insider Trading Intelligence
KL

Karen Ling

IRTC
DIRECTOR · IRHYTHM HOLDINGS, INC. · CIK 0001597450
FILING MIX · LIFETIME89%/11%
BUYS
34
SELLS
4
TOTAL VALUE
$425.6K
COMPANIES
4
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
82,356
AVG SELL PX
$32.67
TRADE KIND
SHOWING 38 / 38
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 3 pending
Forward-return performance of every backtestable P/S trade by Karen Ling, 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
7d2+100.00%+5.71%+0.80%+4.92%+4.92%
14d2+50.00%+1.68%+0.62%+1.06%+1.06%
30d2+0.00%-9.23%-2.27%-6.96%-6.96%
60d2+0.00%-5.55%+2.14%-7.68%-7.68%
90d2+0.00%-14.44%+7.03%-21.47%-21.47%
180d2(1 pending)+0.00%-68.17%-0.46%-67.70%-67.70%
1y2(1 pending)+0.00%-73.41%-2.55%-70.86%-70.86%
2y2(1 pending)+0.00%-90.48%+1.28%-91.77%-91.77%
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
IRTC · 11,141 shares · as of May 27, 2026
02,7855,5718,35611,14120222023202420252026SHARES 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 · 34 buys / 4 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,57311,141May 27, 2026May 29, 2026View →
BLCO
BAUSCH & LOMB CORP
PURCHASEGRANT
Stock grant
15,842$15.78$250.0K61,518May 26, 2026May 28, 2026View →
BLCO
BAUSCH & LOMB CORP
PURCHASEGRANT
Stock grant
4,00045,676Feb 19, 2026Feb 23, 2026View →
BLCO
BAUSCH & LOMB CORP
PURCHASE
4,000$17.74$71.0K41,676Feb 19, 2026Feb 23, 2026View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,3589,568May 28, 2025May 29, 2025View →
BLCO
BAUSCH & LOMB CORP
PURCHASEGRANT
Stock grant
20,33837,676May 27, 2025May 28, 2025View →
BLCO
BAUSCH & LOMB CORP
PURCHASEGRANT
Stock grant
14,69617,338Aug 2, 2024Aug 6, 2024View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,8418,210May 29, 2024Jun 3, 2024View →
BLCO
BAUSCH & LOMB CORP
PURCHASEGRANT
Stock grant
2,6422,642Mar 5, 2024Mar 7, 2024View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,3966,369May 24, 2023Aug 16, 2023View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,1646,137May 24, 2023May 25, 2023View →
TXMD
THERAPEUTICSMD, INC.
PURCHASEGRANT
Stock grant
5,0005,000Sep 29, 2022Oct 3, 2022View →
TXMD
THERAPEUTICSMD, INC.
SALE
1,9840Aug 18, 2022Aug 22, 2022View →
TXMD
THERAPEUTICSMD, INC.
PURCHASE
1,9844,591Aug 18, 2022Aug 22, 2022View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
6534,973May 26, 2022May 31, 2022View →
IRTC
IRHYTHM HOLDINGS, INC.
PURCHASEGRANT
Stock grant
4,3204,320Nov 2, 2021Nov 3, 2021View →
TXMD
THERAPEUTICSMD, INC.
PURCHASE
33,445$0.75$25.1K130,309Aug 17, 2021Aug 19, 2021View →
TXMD
THERAPEUTICSMD, INC.
SALE
96,8640Aug 10, 2021Aug 12, 2021View →
TXMD
THERAPEUTICSMD, INC.
PURCHASE
96,86496,864Aug 10, 2021Aug 12, 2021View →
TXMD
THERAPEUTICSMD, INC.
PURCHASEGRANT
Stock grant
99,17499,174Jul 1, 2021Jul 2, 2021View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
8913,210Mar 30, 2021Apr 1, 2021View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
324,697Mar 30, 2021Apr 1, 2021View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
40,59840,598Feb 22, 2021Feb 24, 2021View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
11,22911,229Feb 22, 2021Feb 24, 2021View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
10913,121Dec 28, 2020Dec 30, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
384,665Dec 28, 2020Dec 30, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
14413,012Sep 30, 2020Oct 2, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
514,627Sep 30, 2020Oct 2, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
SALE
EVP and Chief HR Officer
4,5764,576Jul 29, 2020Jul 30, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
SALE
EVP and Chief HR Officer
2,436$32.67$79.6K8,373Jul 29, 2020Jul 30, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASE
EVP and Chief HR Officer
4,57610,809Jul 29, 2020Jul 30, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
889,152Jun 29, 2020Jul 1, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
12212,868Jun 29, 2020Jul 1, 2020View →
TXMD
THERAPEUTICSMD, INC.
PURCHASEGRANT
Stock grant
96,86496,864Jun 18, 2020Jun 19, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
1239,064Mar 30, 2020Apr 1, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
17312,746Mar 30, 2020Apr 1, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
12,57312,573Mar 11, 2020Mar 13, 2020View →
AIG
AMERICAN INTERNATIONAL GROUP, INC.
PURCHASEGRANT
Stock grant
55,55555,555Mar 11, 2020Mar 13, 2020View →
Other insiders · IRTC
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About this filer
CIK 0001597450
ROLE
Director
PRIMARY
IRTC
COMPANIES
4
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001597450DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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