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Insider Trading Intelligence
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David Krall

HLIT
DIRECTOR · HARMONIC INC. · CIK 0001203375
FILING MIX · LIFETIME72%/28%
BUYS
26
SELLS
10
TOTAL VALUE
$3.09M
COMPANIES
2
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
118,846
AVG SELL PX
$51.00
TRADE KIND
SHOWING 36 / 36
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
6 backtested trades · 8 horizons · 5 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by David Krall, 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
7d6+33.33%-1.93%-2.63%+0.70%-0.01%—
14d6+33.33%-4.00%-2.62%-1.38%-0.38%—
30d6+33.33%-4.39%-2.50%-1.89%-2.79%—
60d6+50.00%-4.97%-2.73%-2.24%-0.89%—
90d6+33.33%+0.02%+2.53%-2.51%-2.01%—
180d6+50.00%+17.68%+8.73%+8.95%+20.36%—
1y6(2 pending)+75.00%+33.33%+18.79%+14.54%+16.19%—
2y6(3 pending)+100.00%+40.07%+20.48%+19.59%+69.26%—
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
HLIT · 18,756 shares · as of Mar 16, 2026
059,817119,634179,451239,268202120222023202420252026SHARES 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
FLOW · 26 buys / 10 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
18,756——18,756Mar 16, 2026Mar 18, 2026 ↗View →
HLIT
HARMONIC INC.
PURCHASE
16,143——239,268Feb 15, 2026Feb 18, 2026 ↗View →
HLIT
HARMONIC INC.
SALE
16,143——0Feb 15, 2026Feb 18, 2026 ↗View →
HLIT
HARMONIC INC.
PURCHASE
47,528$10.50$499.0K223,125Dec 11, 2025Dec 15, 2025 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASE
5,125$48.90$250.6K100,090Jul 23, 2025Jul 24, 2025 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASEGRANT
Stock grant
4,175$53.90$225.0K94,965Jul 2, 2025Jul 7, 2025 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
16,143——16,143Feb 20, 2025Feb 24, 2025 ↗View →
HLIT
HARMONIC INC.
SALE
12,107——0Feb 15, 2025Feb 19, 2025 ↗View →
HLIT
HARMONIC INC.
PURCHASE
12,107——175,597Feb 15, 2025Feb 19, 2025 ↗View →
HLIT
HARMONIC INC.
PURCHASE
10,000$9.78$97.8K163,490Feb 13, 2025Feb 13, 2025 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASEGRANT
Stock grant
4,149$54.24$225.0K90,790Jun 27, 2024Jul 1, 2024 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
SALE
20,000$51.00$1.02M86,641Apr 11, 2024Apr 15, 2024 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
12,107——12,107Feb 16, 2024Feb 20, 2024 ↗View →
HLIT
HARMONIC INC.
PURCHASE
10,446——153,490Feb 15, 2024Feb 20, 2024 ↗View →
HLIT
HARMONIC INC.
SALE
10,446——0Feb 15, 2024Feb 20, 2024 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
10,446——10,446Feb 17, 2023Feb 21, 2023 ↗View →
HLIT
HARMONIC INC.
PURCHASE
14,395——143,044Feb 15, 2023Feb 17, 2023 ↗View →
HLIT
HARMONIC INC.
SALE
14,395——0Feb 15, 2023Feb 17, 2023 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASEGRANT
Stock grant
4,967$45.30$225.0K102,706Jun 30, 2022Jul 5, 2022 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
14,395——14,395Feb 17, 2022Feb 22, 2022 ↗View →
HLIT
HARMONIC INC.
SALE
19,157——0Feb 15, 2022Feb 17, 2022 ↗View →
HLIT
HARMONIC INC.
PURCHASE
19,157——128,649Feb 15, 2022Feb 17, 2022 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASEGRANT
Stock grant
4,828$46.61$225.0K97,739Jun 28, 2021Jun 30, 2021 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
19,157——19,157Feb 17, 2021Feb 19, 2021 ↗View →
HLIT
HARMONIC INC.
SALE
15,024——0Feb 15, 2021Feb 17, 2021 ↗View →
HLIT
HARMONIC INC.
SALE
23,184——0Feb 15, 2021Feb 17, 2021 ↗View →
HLIT
HARMONIC INC.
PURCHASE
15,024——86,308Feb 15, 2021Feb 17, 2021 ↗View →
HLIT
HARMONIC INC.
PURCHASE
23,184——109,492Feb 15, 2021Feb 17, 2021 ↗View →
HLIT
HARMONIC INC.
PURCHASE
10,000$5.94$59.4K71,284Sep 2, 2020Sep 3, 2020 ↗View →
HLIT
HARMONIC INC.
PURCHASE
10,000$5.88$58.8K61,284Sep 1, 2020Sep 3, 2020 ↗View →
PRGS
PROGRESS SOFTWARE CORP /MA
PURCHASEGRANT
Stock grant
5,137$38.94$200.0K92,911Jun 29, 2020Jul 1, 2020 ↗View →
HLIT
HARMONIC INC.
PURCHASEGRANT
Stock grant
23,184——23,184Mar 18, 2020Mar 20, 2020 ↗View →
HLIT
HARMONIC INC.
SALE
15,023——15,024Feb 15, 2020Feb 19, 2020 ↗View →
HLIT
HARMONIC INC.
PURCHASE
15,023——30,046Feb 15, 2020Feb 19, 2020 ↗View →
HLIT
HARMONIC INC.
PURCHASE
21,238——51,284Feb 15, 2020Feb 19, 2020 ↗View →
HLIT
HARMONIC INC.
SALE
21,238——0Feb 15, 2020Feb 19, 2020 ↗View →
Other insiders · HLIT
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About this filer
CIK 0001203375
ROLE
Director
PRIMARY
HLIT
COMPANIES
2
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001203375DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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