MarketPeel
Insider Trading Intelligence
TW

Thomas M. Wojcik

AMG
PRESIDENT AND COO · AFFILIATED MANAGERS GROUP, INC. · CIK 0001776685
FILING MIX · LIFETIME46%/54%
BUYS
30
SELLS
35
TOTAL VALUE
$99.80M
COMPANIES
1
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
159,465
AVG SELL PX
$195.25
TRADE KIND
SHOWING 65 / 65
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizons · 6 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Thomas M. Wojcik, 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
7d4+25.00%-5.75%-2.47%-3.28%-1.91%
14d4+25.00%-7.60%-5.57%-2.03%+0.05%
30d4+25.00%-7.41%-4.29%-3.12%-2.54%
60d4+0.00%+2.94%+1.94%+1.00%+2.27%
90d4+0.00%+5.26%+3.98%+0.13%+1.31%
180d4(1 pending)+33.33%+2.82%+9.48%-6.66%-12.58%
1y4(2 pending)+50.00%+52.54%+22.29%+30.25%+30.25%
2y4(3 pending)+100.00%+73.87%+46.25%+27.62%+27.62%
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
AMG · 159,465 shares · as of Mar 6, 2026
093,286186,573279,859373,1452020202120222023202420252026SHARES 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 · 30 buys / 35 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
8,000$286.30$2.29M159,465Mar 6, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
9,136$299.18$2.73M167,465Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and COO
7,272165,982Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
7,2729,546Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
10,619176,601Mar 5, 2026Mar 9, 2026View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
16,000$231.03$3.70M158,710Sep 9, 2025Sep 9, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
President and COO
169,303$74.49$12.61M288,718Sep 8, 2025Sep 9, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
114,008$231.19$26.36M174,710Sep 8, 2025Sep 9, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
President and COO
169,3031,342Sep 8, 2025Sep 9, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
5,9005,900Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Operating Officer
7,287113,080Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
20,555133,635Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
14,220$165.72$2.36M119,415Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
7,28710,918Mar 5, 2025Mar 7, 2025View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
53,599$181.18$9.71M105,793Oct 4, 2024Oct 8, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
75,000170,645Oct 4, 2024Oct 8, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Operating Officer
75,000$74.49$5.59M159,392Oct 4, 2024Oct 8, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
92,364$172.25$15.91M92,303Aug 16, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
4,786$172.71$826.6K84,392Aug 16, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Operating Officer
127,500$74.49$9.50M184,667Aug 16, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Operating Officer
127,500245,645Aug 16, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALEGRANT
Gift
3,12589,178Aug 16, 2024Aug 20, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
9,778$158.58$1.55M57,167Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
5,67811,773Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
5,67853,539Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
6,4326,432Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
373,145373,145Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
13,40666,945Mar 5, 2024Mar 7, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,64217,451Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
2,64249,260Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
1,399$151.42$211.8K47,861Jan 1, 2024Jan 3, 2024View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
4,92349,155Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,537$133.04$337.5K46,618Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
4,9230Aug 15, 2023Aug 17, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
7,6207,620Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
4,9234,923Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
3,77360,151Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
15,919$160.76$2.56M44,232Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
3,77312,473Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
27,74156,378Mar 5, 2023Mar 7, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,64216,246Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
2,64230,026Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
1,389$158.43$220.1K28,637Jan 1, 2023Jan 4, 2023View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
4,92229,897Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
4,9220Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,513$139.84$351.4K27,384Aug 15, 2022Aug 17, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
4,9224,922Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
9,1359,135Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
1,48925,736Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
761$129.17$98.3K24,975Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
1,4899,753Mar 5, 2022Mar 8, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
13,75711,242Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
13,75731,302Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
7,055$164.51$1.16M24,247Jan 1, 2022Jan 4, 2022View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,616$169.20$442.6K17,545Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
4,92220,161Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
4,9220Aug 15, 2021Aug 17, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
5,9585,958Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
4,9224,922Mar 5, 2021Mar 9, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
2,64219,041Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
6,785$101.70$690.0K15,239Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
2,64222,024Jan 1, 2021Jan 5, 2021View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASEGRANT
Stock grant
10,56810,568Mar 3, 2020Mar 5, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
PURCHASE
Chief Financial Officer
1,350$75.00$101.3K30,497Mar 2, 2020Mar 3, 2020View →
AMG
AFFILIATED MANAGERS GROUP, INC.
SALE
Chief Financial Officer
5,914$84.74$501.2K29,147Jan 1, 2020Jan 3, 2020View →
Other insiders · AMG
Loading peer insiders…
About this filer
CIK 0001776685
ROLE
President and COO
PRIMARY
AMG
COMPANIES
1
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001776685DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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