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PK

Peter R. Kellogg

MERC
10% OWNER · MERCER INTERNATIONAL INC. · CIK 0000897485
FILING MIX · LIFETIME97%/3%
BUYS
68
SELLS
2
TOTAL VALUE
$9.61M
COMPANIES
1
ACTIVE SINCE
Nov 2021
HOLDINGS NOW
1,371,441
AVG SELL PX
—
TRADE KIND
SHOWING 70 / 70
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
47 backtested trades · 8 horizons · 71 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Peter R. Kellogg, 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
7d47+17.02%-5.86%-0.64%-5.23%-6.89%-3.94
14d47+21.28%-10.48%-0.50%-9.98%-11.81%-6.60
30d47+29.79%-3.24%+1.56%-4.80%-4.84%-2.64
60d47+46.81%+2.76%+2.23%+0.53%-3.62%0.15
90d47+31.91%-3.75%+2.70%-6.45%-5.96%-2.89
180d47+10.64%-35.04%+5.78%-40.81%-52.00%-7.88
1y47(31 pending)+18.75%-45.00%+9.42%-54.42%-99.82%—
2y47(40 pending)+0.00%-18.83%+14.38%-33.20%-45.11%—
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
MERC · 1,371,441 shares · as of Jun 12, 2026
0575,0001,150,0001,725,0002,300,00020222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 68 buys / 2 sellsCOVERAGE · 19 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MERC
MERCER INTERNATIONAL INC.
PURCHASE
1,210$0.90$1.1K1,371,441Jun 12, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
200$0.91$1821,371,641Jun 12, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
14,031$0.91$12.8K1,385,672Jun 12, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$0.93$33.5K1,370,231Jun 12, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
136,000$0.86$116.9K1,334,231Jun 11, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$0.82$29.7K1,198,231Jun 10, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
23,637$0.79$18.8K1,162,231Jun 9, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
34,733$0.80$27.7K1,138,594Jun 8, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$0.85$30.6K1,103,861Jun 5, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$0.89$32.0K1,067,861Jun 4, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
1,047$0.92$9591,031,861Jun 2, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
16,000$0.90$14.4K981,929Jun 1, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
2,731$0.90$2.5K1,020,660Jun 1, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
10,154$0.91$9.2K1,030,814Jun 1, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$0.90$32.4K1,017,929Jun 1, 2026Jul 8, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
105,000$0.97$102.3K1,957,000May 19, 2026May 20, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
380,000$0.96$366.5K1,852,000May 18, 2026May 20, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
215,000$0.95$203.6K1,472,000May 15, 2026May 20, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
200,000$0.88$176.2K1,257,000May 14, 2026May 15, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
43,000$0.84$36.2K253,000May 12, 2026May 15, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
57,000$0.88$50.0K1,057,000May 12, 2026May 15, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
100,000$1.72$172.0K1,195,000Nov 13, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
125,000$1.74$217.5K1,320,000Nov 13, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
200,000$1.68$336.0K1,520,000Nov 12, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
70,000$1.72$120.4K1,070,000Nov 12, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
25,000$1.69$42.3K1,095,000Nov 12, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
28,701$1.67$47.9K1,300,540Nov 7, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
6,099$1.56$9.5K1,270,639Nov 7, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
18,000$1.79$32.2K1,318,540Nov 7, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
1,200$1.61$1.9K1,271,839Nov 7, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$1.87$67.3K1,170,540Nov 6, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
285$1.84$5241,170,825Nov 6, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
58,000$1.86$107.9K1,264,540Nov 6, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
35,715$1.89$67.5K1,206,540Nov 6, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$1.88$67.7K1,072,602Nov 5, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
25,938$1.92$49.8K1,134,540Nov 5, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$1.91$68.8K1,108,602Nov 5, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,602$1.93$70.6K1,036,602Nov 4, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,000$2.07$74.5K646,000Oct 30, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
6,160$2.11$13.0K1,000,000Oct 30, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
18,650$2.11$39.4K993,490Oct 30, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
350$2.11$739993,840Oct 30, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
19,000$2.27$43.1K969,300Oct 29, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
5,540$2.27$12.6K974,840Oct 29, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
17,000$2.26$38.4K950,300Oct 29, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
17,000$2.27$38.6K933,300Oct 29, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
41,778$2.44$101.9K916,300Oct 28, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
7,700$2.44$18.8K874,522Oct 28, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
3,700$2.79$10.3K863,700Oct 3, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
3,122$2.79$8.7K866,822Oct 3, 2025Dec 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
70,000$3.38$236.6K1,000,000Jul 22, 2025Mar 10, 2026 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
760,000$3.25$2.47M2,300,000Jul 22, 2025Jul 23, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
12,300$3.72$45.7K838,900Jun 10, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
12,220$3.72$45.4K851,100Jun 10, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
8,900$3.72$33.1K860,000Jun 10, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
19,597$3.75$73.5K826,600Jun 9, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
30,629$3.75$114.9K2,000,000Jun 9, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
1,171$3.67$4.3K1,969,371Jun 9, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
7,003$3.73$26.1K807,003Jun 9, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
13,600$3.62$49.2K1,931,600Jun 6, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
36,600$3.62$132.6K1,968,200Jun 6, 2025Jul 9, 2025 ↗View →
MERC
MERCER INTERNATIONAL INC.
SALEGRANT
Gift
10,000——1,540,000Mar 1, 2023Mar 10, 2023 ↗View →
MERC
MERCER INTERNATIONAL INC.
SALEGRANT
Gift
62,000——1,918,000Mar 1, 2023Mar 10, 2023 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
30,000$14.90$447.0K2,063,000May 10, 2022Jun 8, 2022 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
33,000$15.95$526.4K2,033,000May 3, 2022Jun 8, 2022 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
3,300$13.00$42.9K621,000Mar 8, 2022Mar 9, 2022 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
7,700$12.76$98.3K617,700Mar 7, 2022Mar 9, 2022 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
37,140$10.47$388.9K610,000Nov 8, 2021Nov 9, 2021 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
100,000$10.50$1.05M572,860Nov 5, 2021Nov 8, 2021 ↗View →
MERC
MERCER INTERNATIONAL INC.
PURCHASE
62,860$10.34$650.0K472,860Nov 4, 2021Nov 8, 2021 ↗View →
Other insiders · MERC
Loading peer insiders…
About this filer
CIK 0000897485
ROLE
10% Owner
PRIMARY
MERC
COMPANIES
1
ACTIVE SINCE
Nov 2021
MARKETPEEL · /INSIDER/0000897485DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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One short email. Insider buys, congressional trades, and plain-English analysis.

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