Harraden Circle Investments, LLC

Ten-percent owner · RMIX, CEPO

As of 2026-09-16, Harraden Circle Investments, LLC has 45 Form 4 transactions on record across 2 companies — 21 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in April in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $0Indirect: $80.9M$80.9Mas of 2026-09-16
  • Direct $0
  • Indirect $80.9M
RMIXindirect4,384,563 sh$58.9M
CEPOindirect2,048,679 sh$22.0M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

RMIX · 4 trades
2026-04-16: Sale, 503,426 sh ($6.3M)2026-04-15: Sale, 5,895 sh ($77K)2026-04-14: Sale, 17,622 sh ($228K)2026-04-13: Sale, 17,184 sh ($223K)
CEPO · 1 trade
2025-11-06: Sale, 250,000 sh ($2.6M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-16RMIXSale503,426 @ $12.50$6.3M−10.3% of holding4,384,563Form 4
2026-04-15RMIXSale5,895 @ $13.12$77K−0.1% of holding4,899,716Form 4
2026-04-14RMIXSale17,622 @ $12.95$228K−0.4% of holding4,887,989Form 4
2026-04-13RMIXSale17,184 @ $12.98$223K−0.3% of holding4,905,611Form 4
2025-12-09Sale98,520 @ $14.03$1.4M−21.3% of holding365,027Form 4
2025-12-09Sale26,548 @ $14.74$391K−7.3% of holding338,479Form 4
2025-12-09Sale8,654 @ $15.67$136K−2.6% of holding329,825Form 4
2025-12-08Sale32,568 @ $13.51$440K−6.2% of holding496,650Form 4
2025-12-08Sale21,623 @ $14.11$305K−4.4% of holding475,027Form 4
2025-12-08Sale13,587 @ $12.36$168K−2.5% of holding529,218Form 4
2025-12-08Sale4,324 @ $16.46$71K−0.9% of holding467,919Form 4
2025-12-08Sale2,285 @ $18.77$43K−0.5% of holding464,545Form 4
2025-12-08Sale2,784 @ $15.01$42K−0.6% of holding472,243Form 4
2025-12-08Sale998 @ $20.98$21K−0.2% of holding463,547Form 4
2025-12-08Sale1,089 @ $18.10$20K−0.2% of holding466,830Form 4
2025-12-08Sale1,195 @ $11.02$13K−0.2% of holding542,805Form 4
2025-12-08Sale1,049 @ $8.29$9K−0.2% of holding544,500Form 4
2025-12-08Sale500 @ $9.00$5K−0.1% of holding544,000Form 4
2025-12-05Sale3,966 @ $8.81$35K−0.7% of holding546,034Form 4
2025-12-05Sale485 @ $9.69$5K−0.1% of holding545,549Form 4
2025-11-06CEPOSale250,000 @ $10.43$2.6M−10.9% of holding2,048,679Form 4
2025-05-12Sale5,432 @ $12.12$66K−1.1% of holding485,974Form 4
2025-05-09Sale2,800 @ $12.04$34K−0.6% of holding491,406Form 4
2025-05-08Sale5,376 @ $12.08$65K−1.1% of holding494,206Form 4
2025-05-07Sale1,433 @ $11.35$16K−0.3% of holding500,000Form 4
2025-05-07Sale418 @ $12.10$5K−0.1% of holding499,582Form 4
2025-05-06Sale6,337 @ $11.40$72K−1.2% of holding501,561Form 4
2025-05-06Sale118 @ $12.11$1K−0.0% of holding501,433Form 4
2025-04-24Sale3,140 @ $13.07$41K−0.6% of holding507,898Form 4
2025-04-24Sale3,160 @ $12.54$40K−0.6% of holding511,038Form 4
2025-04-24Sale100 @ $11.24$1K−0.0% of holding514,198Form 4
2025-04-23Sale16,677 @ $11.39$190K−3.1% of holding522,857Form 4
2025-04-23Sale4,839 @ $15.26$74K−0.9% of holding517,961Form 4
2025-04-23Sale1,314 @ $22.03$29K−0.3% of holding514,299Form 4
2025-04-23Sale1,348 @ $16.22$22K−0.3% of holding516,613Form 4
2025-04-23Sale1,000 @ $20.00$20K−0.2% of holding515,613Form 4
2025-04-23Sale57 @ $12.12$691−0.0% of holding522,800Form 4
2025-04-23Sale1 @ $23.54$24−0.0% of holding514,298Form 4
2025-04-22Sale3,273 @ $23.24$76K−0.6% of holding542,569Form 4
2025-04-22Sale2,755 @ $20.07$55K−0.5% of holding547,245Form 4
2025-04-22Sale1,430 @ $26.59$38K−0.3% of holding539,561Form 4
2025-04-22Sale1,578 @ $24.04$38K−0.3% of holding540,991Form 4
2025-04-22Sale934 @ $21.01$20K−0.2% of holding546,311Form 4
2025-04-22Sale469 @ $22.00$10K−0.1% of holding545,842Form 4
2025-04-22Sale27 @ $27.00$729−0.0% of holding539,534Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.