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Mark F. Lamps

ATKR
PRES. SAFETY & INFRASTRUCTURE · ATKORE INC. · CIK 0001769052
FILING MIX · LIFETIME36%/64%
BUYS
27
SELLS
47
TOTAL VALUE
$7.62M
COMPANIES
1
ACTIVE SINCE
Nov 2019
HOLDINGS NOW
36,103
AVG SELL PX
$104.35
TRADE KIND
SHOWING 74 / 74
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
21 backtested trades · 8 horizons · 11 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mark F. Lamps, 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
7d21+52.38%-0.99%-0.33%-0.67%-0.56%—
14d21+38.10%-1.57%-0.47%-1.10%+0.32%—
30d21+52.38%-0.79%+0.48%-1.26%-1.71%—
60d21+47.62%+1.44%+1.38%+0.06%-0.03%—
90d21+38.10%+4.64%+3.53%+1.11%+0.69%—
180d21(1 pending)+40.00%+4.52%+7.73%-3.21%-0.89%—
1y21(3 pending)+33.33%+21.27%+16.12%+5.15%-6.46%—
2y21(7 pending)+42.86%+40.42%+30.18%+10.24%+18.65%—
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
ATKR · 36,102.538 shares · as of May 29, 2026
010,77721,55432,33143,1082020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2019
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 · 27 buys / 47 sellsCOVERAGE · 27 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
53.215——36,102.538May 29, 2026Jun 2, 2026 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
67.754——36,049.322Feb 27, 2026Mar 3, 2026 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
1,000$65.78$65.8K35,981.568Feb 17, 2026Feb 17, 2026 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
68.442——36,981.568Dec 17, 2025Dec 19, 2025 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
1,053$65.10$68.6K36,913.126Nov 18, 2025Nov 19, 2025 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
1,000$64.75$64.8K29,923.126Nov 17, 2025Nov 17, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
8,043——37,966.126Nov 17, 2025Nov 19, 2025 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
604$64.83$39.2K30,923.126Nov 13, 2025Nov 17, 2025 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
397$65.11$25.8K31,527.126Nov 11, 2025Nov 13, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
51.291——31,924.126Aug 29, 2025Sep 3, 2025 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
1,000$59.37$59.4K31,872.835Aug 15, 2025Aug 18, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
44.56——32,872.835May 28, 2025May 30, 2025 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
1,000$69.16$69.2K32,828.276May 9, 2025May 9, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
46.585——33,828.276Feb 28, 2025Mar 3, 2025 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
500$65.00$32.5K33,760.427Feb 10, 2025Feb 10, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
32.076——34,281.69Dec 16, 2024Mar 3, 2025 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
10.812——34,260.427Dec 16, 2024Dec 17, 2024 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
5,914——34,249.615Nov 18, 2024Nov 20, 2024 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
2,181$88.97$194.0K28,335.615Nov 16, 2024Nov 19, 2024 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
4,164.764——30,516.615Nov 16, 2024Nov 19, 2024 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
291$88.97$25.9K26,351.85Nov 16, 2024Nov 19, 2024 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
593$92.48$54.8K26,642.85Nov 13, 2024Nov 15, 2024 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
500$96.55$48.3K27,625.85Nov 11, 2024Nov 13, 2024 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
390$95.73$37.3K27,235.85Nov 11, 2024Nov 13, 2024 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
18.123——28,125.85Aug 30, 2024Nov 13, 2024 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
500$95.47$47.7K28,086Aug 12, 2024Aug 12, 2024 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
11.164——28,107.728May 31, 2024Nov 13, 2024 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
500$157.67$78.8K28,586May 14, 2024May 14, 2024 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
10.564——28,096.564Mar 15, 2024Nov 13, 2024 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
5,008$130.66$654.4K29,086Nov 22, 2023Nov 22, 2023 ↗View →
ATKR
ATKORE INC.
SALE10b5-1
10b5-1 plan
138$131.51$18.1K25,895Nov 20, 2023Nov 20, 2023 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
18,118——43,108Nov 17, 2023Nov 21, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
905$131.41$118.9K24,990Nov 17, 2023Nov 21, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
9,014$131.41$1.18M34,094Nov 17, 2023Nov 21, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
275$135.23$37.2K26,033Nov 16, 2023Nov 20, 2023 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
3,370——26,308Nov 13, 2023Nov 14, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
367$132.29$48.6K22,938Nov 11, 2023Nov 14, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
2,480——0Feb 3, 2023Feb 7, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
2,480$144.75$359.0K23,305Feb 3, 2023Feb 7, 2023 ↗View →
ATKR
ATKORE INC.
PURCHASE
Pres. Safety & Infrastructure
2,480$17.90$44.4K25,785Feb 3, 2023Feb 7, 2023 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
2,874$118.99$342.0K23,305Nov 23, 2022Nov 23, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
433$118.40$51.3K26,179Nov 22, 2022Nov 23, 2022 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
10,953——32,347Nov 21, 2022Nov 23, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
586$117.15$68.6K21,394Nov 21, 2022Nov 23, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
5,735$117.15$671.9K26,612Nov 21, 2022Nov 23, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
952$100.62$95.8K21,980Nov 17, 2022Nov 21, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
288$104.61$30.1K22,932Nov 16, 2022Nov 18, 2022 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
4,162$101.66$423.1K4,162Nov 11, 2022Nov 18, 2022 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
2,213——23,220Nov 11, 2022Nov 18, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
845$113.64$96.0K21,007May 6, 2022May 6, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
638$102.95$65.7K21,852Mar 4, 2022Mar 7, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
898$99.83$89.6K22,490Mar 1, 2022Mar 3, 2022 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
320$108.12$34.6K23,388Nov 30, 2021Nov 30, 2021 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
13,752——29,888Nov 27, 2021Nov 30, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
523$105.82$55.3K16,136Nov 27, 2021Nov 30, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
6,180$105.82$654.0K23,708Nov 27, 2021Nov 30, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
308$112.95$34.8K16,659Nov 23, 2021Nov 26, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
503$111.65$56.2K16,967Nov 21, 2021Nov 23, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
715$103.00$73.6K17,470Nov 17, 2021Nov 18, 2021 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
1,652——18,185Nov 16, 2021Nov 18, 2021 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
3,505$105.94$371.3K3,505Nov 16, 2021Nov 18, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
630$69.32$43.7K16,533Mar 2, 2021Mar 3, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Safety & Infrastructure
914$69.95$63.9K17,163Mar 1, 2021Mar 3, 2021 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
324$42.70$13.8K18,077Jan 4, 2021Jan 6, 2021 ↗View →
ATKR
ATKORE INC.
PURCHASE
Pres. Mech. Prods. & Solutions
2,480$17.90$44.4K21,023Nov 27, 2020Nov 30, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
2,480——2,480Nov 27, 2020Nov 30, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
2,106$39.45$83.1K18,917Nov 27, 2020Nov 30, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
516$39.87$20.6K18,401Nov 27, 2020Dec 1, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
496$34.00$16.9K18,543Nov 21, 2020Nov 24, 2020 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
5,453——19,039Nov 17, 2020Nov 19, 2020 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
12,073$29.80$359.8K12,073Nov 17, 2020Nov 19, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
682$37.23$25.4K13,586Mar 5, 2020Mar 6, 2020 ↗View →
ATKR
ATKORE INC.
SALE
Pres. Mech. Prods. & Solutions
810$36.91$29.9K14,268Feb 28, 2020Mar 2, 2020 ↗View →
ATKR
ATKORE INC.
PURCHASEGRANT
Stock grant
8,897$37.24$331.3K8,897Nov 21, 2019Jan 15, 2020 ↗View →
Other insiders · ATKR
Loading peer insiders…
About this filer
CIK 0001769052
ROLE
Pres. Safety & Infrastructure
PRIMARY
ATKR
COMPANIES
1
ACTIVE SINCE
Nov 2019
MARKETPEEL · /INSIDER/0001769052DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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