MarketPeel
Insider Trading Intelligence
GG

Gregory B. Graves

ACLS
DIRECTOR · AXCELIS TECHNOLOGIES INC · CIK 0001208109
FILING MIX · LIFETIME37%/63%
BUYS
44
SELLS
76
TOTAL VALUE
$26.93M
COMPANIES
4
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
116,152
AVG SELL PX
$84.71
TRADE KIND
SHOWING 120 / 120
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
50 backtested trades · 8 horizons · 2 pending
Forward-return performance of every backtestable P/S trade by Gregory B. Graves, 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
7d50+76.00%-3.42%-1.27%-2.15%-1.91%-2.69
14d50+74.00%-3.95%-1.65%-2.31%-2.54%-2.62
30d50+72.00%-5.60%-2.92%-2.68%-1.53%-2.81
60d50+72.00%-8.02%+0.02%-8.04%-6.82%-5.60
90d50+48.00%-3.13%-0.13%-3.00%-1.46%-1.41
180d50+38.00%-5.90%+4.46%-10.35%-7.47%-2.95
1y50+46.00%+9.88%+9.39%+0.49%+3.41%0.07
2y50(2 pending)+41.67%+12.35%+23.25%-10.90%-24.09%-1.20
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
ACLS · 6,073 shares · as of May 19, 2026
02,1754,3496,5248,69820252026SHARES 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 · 44 buys / 76 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
LSF
LAIRD SUPERFOOD, INC.
PURCHASE
15,000$3.45$51.8K75,089Jun 10, 2026Jun 12, 2026View →
ACLS
AXCELIS TECHNOLOGIES INC
SALE
600$142.51$85.5K5,473May 19, 2026May 20, 2026View →
ACLS
AXCELIS TECHNOLOGIES INC
SALE
2,625$141.41$371.2K6,073May 19, 2026May 20, 2026View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
1,4408,698May 15, 2026May 18, 2026View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
8,716$6.31$55.0K60,089Jun 26, 2025Jun 30, 2025View →
LSF
LAIRD SUPERFOOD, INC.
SALE
2,127$7.03$15.0K79,873May 23, 2025May 28, 2025View →
LSF
LAIRD SUPERFOOD, INC.
SALEGRANT
Gift
28,50051,373May 23, 2025May 28, 2025View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
3,5867,258May 15, 2025May 15, 2025View →
SKYT
SKYWATER TECHNOLOGY, INC
SALE
12,844$8.11$104.2K14,285Mar 14, 2025Mar 17, 2025View →
LSF
LAIRD SUPERFOOD, INC.
SALEGRANT
Gift
18,00082,000Nov 15, 2024Nov 19, 2024View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
20,000100,000Jun 27, 2024Jun 28, 2024View →
SKYT
SKYWATER TECHNOLOGY, INC
PURCHASEGRANT
Stock grant
12,28527,129May 22, 2024May 24, 2024View →
SKYT
SKYWATER TECHNOLOGY, INC
SALE
5,432$8.10$44.0K14,844May 21, 2024May 23, 2024View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
1,1623,172May 15, 2024May 15, 2024View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
1,6623,672May 15, 2024May 16, 2024View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
8,099$2.68$21.7K80,000May 14, 2024May 15, 2024View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
1,3401,340Mar 15, 2024Mar 15, 2024View →
ACLS
AXCELIS TECHNOLOGIES INC
PURCHASEGRANT
Stock grant
6702,010Mar 15, 2024Mar 15, 2024View →
SKYT
SKYWATER TECHNOLOGY, INC
SALE
7,003$9.25$64.8K20,276Jun 20, 2023Jun 21, 2023View →
SKYT
SKYWATER TECHNOLOGY, INC
PURCHASEGRANT
Stock grant
10,06027,279Jun 7, 2023Jun 9, 2023View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
40,00071,901May 4, 2023May 8, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
3,299$81.01$267.3K24,477Feb 21, 2023Feb 23, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,962$82.14$161.2K22,515Feb 21, 2023Feb 23, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,002$84.41$84.6K19,703Feb 21, 2023Feb 23, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,810$83.16$150.5K20,705Feb 21, 2023Feb 23, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
6,156$85.48$526.2K27,776Feb 17, 2023Feb 21, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
709$85.31$60.5K33,997Feb 14, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
800$84.39$67.5K34,706Feb 14, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,017$82.30$83.7K36,606Feb 14, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
65$86.97$5.7K33,932Feb 14, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,100$83.34$91.7K35,506Feb 14, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,800$84.94$152.9K37,623Feb 13, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
5,49139,423Feb 13, 2023Feb 15, 2023View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
23,16423,164Jan 31, 2023Feb 2, 2023View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
12,95233,932Jan 31, 2023Feb 2, 2023View →
SKYT
SKYWATER TECHNOLOGY, INC
PURCHASEGRANT
Stock grant
14,94717,219Jun 1, 2022Jun 3, 2022View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
14,00031,901May 5, 2022May 9, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
12,14212,142Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
2,499$131.63$328.9K30,623Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
2,070$134.74$278.9K21,600Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
6,080$132.75$807.1K24,543Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
873$133.73$116.7K23,670Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
320$135.38$43.3K21,280Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
300$136.83$41.0K20,980Mar 31, 2022Apr 1, 2022View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
12,142$55.72$676.6K33,122Mar 31, 2022Apr 1, 2022View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASE
15,000$3.00$45.0K17,901Mar 15, 2022Mar 17, 2022View →
SKYT
SKYWATER TECHNOLOGY, INC
PURCHASEGRANT
Stock grant
2,2722,272Mar 2, 2022Mar 4, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
300$131.09$39.3K20,980Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
5,105$126.22$644.3K47,210Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
10,123$33.33$337.4K52,315Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
11,194$127.06$1.42M36,016Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
10,205$31.10$317.4K42,192Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
8,117$128.29$1.04M27,899Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,271$130.40$556.9K21,280Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
10,2050Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
10,12310,123Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
2,348$128.93$302.7K25,551Feb 22, 2022Feb 24, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,764$130.19$620.2K31,987Feb 18, 2022Feb 23, 2022View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
8,45040,334Feb 11, 2022Feb 15, 2022View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
3,583$124.48$446.0K36,751Feb 11, 2022Feb 15, 2022View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
14,49214,492Feb 1, 2022Feb 3, 2022View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
6,54031,884Feb 1, 2022Feb 3, 2022View →
LSF
LAIRD SUPERFOOD, INC.
SALE
100$18.15$1.8K2,901Oct 4, 2021Feb 11, 2022View →
LSF
LAIRD SUPERFOOD, INC.
SALE
1,864$17.52$32.7K3,001Oct 4, 2021Feb 11, 2022View →
LSF
LAIRD SUPERFOOD, INC.
SALE
100$18.15$1.8K25,754Oct 4, 2021Oct 6, 2021View →
LSF
LAIRD SUPERFOOD, INC.
SALE
1,864$17.52$32.7K25,854Oct 4, 2021Oct 6, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,500$112.41$505.8K25,344Aug 20, 2021Aug 24, 2021View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
1,6471,647May 6, 2021May 10, 2021View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
77427,718May 6, 2021May 10, 2021View →
LSF
LAIRD SUPERFOOD, INC.
SALE
3,9300Apr 15, 2021Apr 19, 2021View →
LSF
LAIRD SUPERFOOD, INC.
SALE
6,413$38.27$245.4K27,361Apr 15, 2021Apr 19, 2021View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASE
3,930$13.05$51.3K33,774Apr 15, 2021Apr 19, 2021View →
LSF
LAIRD SUPERFOOD, INC.
SALE
417$38.88$16.2K26,944Apr 15, 2021Apr 19, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
10,12320,246Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
3,547$118.56$420.5K50,625Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
610$120.14$73.3K34,044Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
200$121.00$24.2K33,844Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
10,123$33.33$337.4K54,172Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALEGRANT
Gift
4,00029,844Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
10,205$31.10$317.4K44,049Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
15,971$119.47$1.91M34,654Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
10,20510,205Apr 12, 2021Apr 13, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,809$101.60$488.6K33,844Feb 23, 2021Feb 25, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
7,608$103.47$787.2K38,653Feb 22, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
8,84155,861Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
10,123$33.33$337.4K56,384Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
20,41020,410Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
200$105.58$21.1K46,261Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
5,684$105.19$597.9K46,461Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
12,987$21.60$280.5K59,248Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
12,9870Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
5,568$105.57$587.8K46,261Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
9,737$104.22$1.01M56,934Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
10,12330,369Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
9,477$105.06$995.7K47,457Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
20,410$31.10$634.8K66,671Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
1,196$105.54$126.2K46,261Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,032$105.57$425.7K51,829Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
7,103$104.26$740.5K52,145Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,123$105.27$434.0K46,261Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
6,000$104.28$625.7K50,384Feb 19, 2021Feb 23, 2021View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
18,58418,584Feb 2, 2021Feb 4, 2021View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
7,74447,020Feb 2, 2021Feb 4, 2021View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASE
2,9006,991Sep 25, 2020Sep 25, 2020View →
LSF
LAIRD SUPERFOOD, INC.
SALE
1,4500Sep 25, 2020Sep 25, 2020View →
LSF
LAIRD SUPERFOOD, INC.
PURCHASEGRANT
Stock grant
4,0914,091Sep 23, 2020Sep 25, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
100$54.01$5.4K39,276Feb 25, 2020Feb 26, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
19,487$53.32$1.04M39,376Feb 25, 2020Feb 26, 2020View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
22,029$12.20$268.8K80,892Feb 20, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
22,0290Feb 20, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
22,029$57.46$1.27M58,863Feb 20, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,371$57.09$249.5K67,479Feb 19, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
PURCHASE
EVP & CFO
12,987$21.60$280.5K71,850Feb 19, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
7,820$57.96$453.2K58,863Feb 19, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
8,616$57.82$498.2K58,863Feb 19, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
12,98712,987Feb 19, 2020Feb 21, 2020View →
ENTG
ENTEGRIS INC
SALE
EVP & CFO
4,822$56.40$272.0K66,683Feb 18, 2020Feb 20, 2020View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
14,34671,505Feb 18, 2020Feb 20, 2020View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
8,61257,159Feb 4, 2020Feb 6, 2020View →
ENTG
ENTEGRIS INC
PURCHASEGRANT
Stock grant
24,28424,284Feb 4, 2020Feb 6, 2020View →
Other insiders · ACLS
Loading peer insiders…
About this filer
CIK 0001208109
ROLE
Director
PRIMARY
ACLS
COMPANIES
4
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001208109DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

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