BJERKHOLT ERIC

Director · Officer · MIRM, CERS, SRZN

As of 2026-09-16, BJERKHOLT ERIC has 53 Form 4 transactions on record across 3 companies — 35 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $5.1MIndirect: $0$5.1Mas of 2026-09-16
  • Direct $5.1M
  • Indirect $0
MIRMdirect44,745 sh$4.4M
CERSdirect261,679 sh$662K
SRZNdirect5,550 sh$94K

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

MIRM · 44 trades
2026-09-14: Sale, 9,943 sh ($978K)2026-09-11: Option exercise, 18,333 sh ($0)2026-09-11: Option exercise, 18,333 sh2026-09-11: Option exercise, 18,333 sh2026-09-11: Option exercise, 18,333 sh2026-09-11: Option exercise, 18,333 sh2026-08-11: Sale, 6,001 sh ($600K)2026-07-06: Sale, 3,124 sh ($380K)2026-07-06: Sale, 1,048 sh ($128K)2026-07-06: Sale, 528 sh ($65K)2026-07-06: Sale, 300 sh ($37K)2026-06-09: Option exercise, 2,393 sh ($63K)2026-06-09: Option exercise, 2,393 sh ($0)2026-06-08: Sale, 2,258 sh ($210K)2026-06-08: Sale, 1,567 sh ($149K)2026-06-08: Sale, 1,175 sh ($110K)2026-03-16: Sale, 7,287 sh ($670K)2026-03-15: Option exercise, 13,334 sh ($0)2026-03-15: Option exercise, 13,334 sh2026-03-15: Option exercise, 13,334 sh2026-01-28: Award / grant, 18,140 sh ($0)2026-01-28: Award / grant, 11,760 sh ($0)2026-01-28: Award / grant, 20,000 sh ($0)2026-01-26: Sale, 1,053 sh ($101K)2026-01-23: Option exercise, 2,667 sh ($0)2026-01-23: Option exercise, 2,667 sh2026-01-23: Option exercise, 2,667 sh2026-01-22: Sale, 1,421 sh ($133K)2026-01-21: Option exercise, 3,334 sh ($0)2026-01-21: Option exercise, 3,334 sh2026-01-21: Option exercise, 3,334 sh2025-09-12: Sale, 9,578 sh ($728K)2025-09-11: Option exercise, 18,333 sh ($0)2025-09-11: Option exercise, 18,333 sh2025-09-11: Option exercise, 18,333 sh2025-08-12: Option exercise, 2,954 sh ($78K)2025-08-12: Option exercise, 2,954 sh ($0)2025-08-11: Sale, 8,000 sh2025-08-11: Sale, 8,000 sh2025-01-23: Option exercise, 2,667 sh ($0)2025-01-23: Option exercise, 2,667 sh2025-01-23: Option exercise, 2,667 sh2025-01-21: Award / grant, 10,000 sh ($0)2025-01-21: Award / grant, 40,000 sh ($0)
CERS · 4 trades
2026-06-09: Sale, 20,454 sh ($53K)2026-06-02: Award / grant, 60,000 sh ($0)2025-06-03: Award / grant, 60,000 sh ($0)2024-12-12: Sale, 20,000 sh ($36K)
SRZN · 2 trades
2026-05-13: Award / grant, 5,550 sh ($0)2025-05-14: Award / grant, 1,333 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14MIRMSale9,943 @ $98.37$978K−18.2% of holding44,745Form 4
2026-08-11MIRMSale6,001 @ $99.90$600K−14.2% of holding36,355Form 4
2026-07-06MIRMSale3,124 @ $121.67$380K−6.6% of holding44,057Form 4
2026-07-06MIRMSale1,048 @ $122.43$128K−2.4% of holding43,009Form 4
2026-07-06MIRMSale528 @ $123.84$65K−1.2% of holding42,481Form 4
2026-07-06MIRMSale300 @ $124.94$37K−0.7% of holding42,181Form 4
2026-06-09CERSSale20,454 @ $2.60$53K−7.2% of holding261,679Form 4
2026-06-08MIRMSale2,258 @ $92.84$210K−4.5% of holding47,530Form 4
2026-06-08MIRMSale1,567 @ $95.12$149K−3.4% of holding44,788Form 4
2026-06-08MIRMSale1,175 @ $93.95$110K−2.5% of holding46,355Form 4
2026-03-16MIRMSale7,287 @ $91.98$670K−12.8% of holding49,788Form 4
2026-01-26MIRMSale1,053 @ $96.19$101K−2.4% of holding43,741Form 4
2026-01-22MIRMSale1,421 @ $93.33$133K−3.3% of holding42,127Form 4
2025-09-12MIRMSale9,578 @ $76.01$728K−19.3% of holding39,945Form 4
2025-08-11MIRMSale8,000—−22.1% of holding28,236Form 4
2025-08-11MIRMSale8,000—−22.1% of holding28,236Form 4
2024-12-12CERSSale20,000 @ $1.78$36K−11.0% of holding162,133Form 4
36 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-11MIRMOption exercise18,3330Form 4
2026-09-11MIRMOption exercise18,33354,688Form 4
2026-09-11MIRMOption exercise18,33354,688Form 4
2026-09-11MIRMOption exercise18,33354,688Form 4
2026-09-11MIRMOption exercise18,33354,688Form 4
2026-06-09MIRMOption exercise2,39347,181Form 4
2026-06-09MIRMOption exercise2,39326,653Form 4
2026-06-09—Award / grant21,00021,000Form 4
2026-06-02CERSAward / grant60,000282,133Form 4
2026-05-13SRZNAward / grant5,5505,550Form 4
2026-03-15MIRMOption exercise13,3346,666Form 4
2026-03-15MIRMOption exercise13,33457,075Form 4
2026-03-15MIRMOption exercise13,33457,075Form 4
2026-01-28MIRMAward / grant18,14018,140Form 4
2026-01-28MIRMAward / grant11,76011,760Form 4
2026-01-28MIRMAward / grant20,00020,000Form 4
2026-01-23MIRMOption exercise2,6672,666Form 4
2026-01-23MIRMOption exercise2,66744,794Form 4
2026-01-23MIRMOption exercise2,66744,794Form 4
2026-01-21MIRMOption exercise3,3346,666Form 4
2026-01-21MIRMOption exercise3,33443,548Form 4
2026-01-21MIRMOption exercise3,33443,548Form 4
2025-09-11MIRMOption exercise18,33318,333Form 4
2025-09-11MIRMOption exercise18,33349,523Form 4
2025-09-11MIRMOption exercise18,33349,523Form 4
2025-08-12MIRMOption exercise2,95431,190Form 4
2025-08-12MIRMOption exercise2,95429,046Form 4
2025-06-10—Award / grant8,5728,572Form 4
2025-06-03CERSAward / grant60,000222,133Form 4
2025-05-14SRZNAward / grant1,3331,333Form 4
2025-02-03—Award / grant42,00042,000Form 4
2025-01-23MIRMOption exercise2,6675,333Form 4
2025-01-23MIRMOption exercise2,66735,946Form 4
2025-01-23MIRMOption exercise2,66735,946Form 4
2025-01-21MIRMAward / grant10,00010,000Form 4
2025-01-21MIRMAward / grant40,00040,000Form 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.