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Mark Barrysmith

U
PRINCIPAL ACCOUNTING OFFICER · UNITY SOFTWARE INC. · CIK 0001956655
FILING MIX · LIFETIME14%/86%
BUYS
6
SELLS
38
TOTAL VALUE
$5.61M
COMPANIES
1
ACTIVE SINCE
May 2023
HOLDINGS NOW
370,654
AVG SELL PX
$32.39
TRADE KIND
SHOWING 44 / 44
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
37 backtested trades · 8 horizons · 39 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mark Barrysmith, 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
7d37+43.24%+2.63%+0.09%+2.54%+2.84%1.60
14d37+40.54%+3.87%+0.24%+3.62%+3.53%1.74
30d37+43.24%+5.57%+1.17%+4.41%+4.05%1.48
60d37+54.05%+4.57%+2.18%+2.39%-1.33%0.63
90d37+51.35%+1.45%+4.04%-3.59%-3.46%-0.58
180d37(1 pending)+57.14%+7.88%+10.27%+0.51%-11.15%0.06
1y37(12 pending)+60.00%+4.42%+22.18%-17.76%-31.00%—
2y37(26 pending)+45.45%+2.73%+45.33%-46.87%-53.91%—
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
U · 370,654 shares · as of May 26, 2026
0121,216242,431363,647484,862202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 6 buys / 38 sellsCOVERAGE · 13 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
13,247$27.18$360.1K370,654May 26, 2026May 28, 2026 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
10,578$18.07$191.1K383,901Feb 25, 2026Feb 27, 2026 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
14,407$50.01$720.5K394,479Dec 10, 2025Dec 12, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
13,084$41.33$540.8K409,486Nov 25, 2025Nov 26, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
600$42.47$25.5K408,886Nov 25, 2025Nov 26, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
29,599$41.41$1.23M422,570Nov 24, 2025Nov 26, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
817$36.60$29.9K452,169Nov 17, 2025Nov 18, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
802$36.22$29.0K452,986Oct 16, 2025Oct 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
645$46.52$30.0K453,788Sep 16, 2025Sep 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
4,738$39.61$187.7K454,433Aug 25, 2025Aug 25, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
4,411$39.01$172.1K459,171Aug 25, 2025Aug 25, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
790$37.89$29.9K463,582Aug 18, 2025Aug 18, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,011$32.30$32.7K464,372Jul 16, 2025Jul 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,268$24.09$30.5K465,383Jun 16, 2025Jun 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
100$21.70$2.2K466,651May 27, 2025May 28, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
13,657$21.23$289.9K466,751May 27, 2025May 28, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,414$21.42$30.3K480,408May 16, 2025May 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,595$18.43$29.4K481,822Apr 16, 2025Apr 17, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,445$20.61$29.8K483,417Mar 17, 2025Mar 18, 2025 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
45,000——484,862Mar 4, 2025Mar 6, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
8,727$25.06$218.7K442,154Feb 25, 2025Feb 25, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
900$26.74$24.1K438,862Feb 25, 2025Feb 25, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE
Chief Accounting Officer
2,392$26.25$62.8K439,762Feb 25, 2025Feb 25, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,395$21.68$30.2K450,881Feb 18, 2025Feb 18, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,362$21.91$29.8K452,276Jan 16, 2025Jan 16, 2025 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,228$24.44$30.0K453,638Dec 16, 2024Dec 16, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE
SVP, CAO and Interim CFO
8,112$24.38$197.8K454,866Nov 25, 2024Nov 25, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE
SVP, CAO and Interim CFO
1,903$17.62$33.5K462,978Aug 26, 2024Aug 26, 2024 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
187,734——402,303Aug 19, 2024Aug 20, 2024 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
62,578——464,881Aug 19, 2024Aug 20, 2024 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
72,604——203,642Jul 3, 2024Jul 16, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
4,979$19.10$95.1K131,038May 28, 2024May 29, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
2,083$29.43$61.3K135,343Feb 29, 2024Feb 29, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
1,359$32.77$44.5K137,426Feb 26, 2024Feb 27, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
500$31.74$15.9K138,785Feb 26, 2024Feb 27, 2024 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
10,000——150,212Feb 5, 2024Aug 20, 2024 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
1,688$30.68$51.8K139,285Nov 30, 2023Dec 4, 2023 ↗View →
U
UNITY SOFTWARE INC.
PURCHASEGRANT
Stock grant
49,718——143,819Nov 27, 2023Nov 29, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
250$28.87$7.2K140,973Nov 27, 2023Nov 29, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
2,596$28.13$73.0K141,223Nov 27, 2023Nov 29, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
2,020$36.81$74.4K93,706Aug 30, 2023Aug 30, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
2,017$34.44$69.5K95,726Aug 28, 2023Aug 30, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE10b5-1
10b5-1 plan
8,620$36.27$312.6K97,743Jun 12, 2023Jun 13, 2023 ↗View →
U
UNITY SOFTWARE INC.
SALE
Principal Accounting Officer
6,718$27.73$186.3K106,363May 26, 2023May 31, 2023 ↗View →
Other insiders · U
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About this filer
CIK 0001956655
ROLE
Principal Accounting Officer
PRIMARY
U
COMPANIES
1
ACTIVE SINCE
May 2023
MARKETPEEL · /INSIDER/0001956655DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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