Cloonan Michael

Director · Officer · SION

As of 2026-09-16, Cloonan Michael has 40 Form 4 transactions on record across 1 company — 28 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.

Reconstructed holdings

Direct: $3.1MIndirect: $0$3.1Mas of 2026-09-16
  • Direct $3.1M
  • Indirect $0
SIONdirect436,100 sh$3.1M

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

SION · 38 trades
2026-01-02: Award / grant, 436,100 sh ($0)2025-10-21: Sale, 33,532 sh ($1.3M)2025-10-21: Sale, 30,049 sh ($1.1M)2025-10-21: Sale, 22,895 sh ($838K)2025-10-21: Sale, 13,324 sh ($459K)2025-10-21: Option exercise, 33,532 sh ($205K)2025-10-21: Option exercise, 30,049 sh ($184K)2025-10-21: Option exercise, 22,895 sh ($140K)2025-10-21: Option exercise, 13,324 sh ($81K)2025-10-21: Option exercise, 13,324 sh ($0)2025-10-21: Option exercise, 33,532 sh ($0)2025-10-21: Option exercise, 22,895 sh ($0)2025-10-21: Option exercise, 30,049 sh ($0)2025-10-16: Sale, 10,225 sh ($322K)2025-10-16: Option exercise, 10,225 sh ($62K)2025-10-16: Sale, 200 sh ($7K)2025-10-16: Option exercise, 200 sh ($1K)2025-10-16: Option exercise, 200 sh ($0)2025-10-16: Option exercise, 10,225 sh ($0)2025-10-15: Sale, 14,775 sh ($460K)2025-10-15: Option exercise, 14,775 sh ($90K)2025-10-15: Option exercise, 14,775 sh ($0)2025-09-29: Sale, 7,793 sh ($231K)2025-09-29: Option exercise, 7,793 sh ($48K)2025-09-29: Option exercise, 7,793 sh ($0)2025-09-26: Sale, 17,207 sh ($496K)2025-09-26: Option exercise, 17,207 sh ($105K)2025-09-26: Option exercise, 17,207 sh ($0)2025-08-27: Sale, 7,426 sh ($186K)2025-08-27: Option exercise, 7,426 sh ($45K)2025-08-27: Option exercise, 7,426 sh ($0)2025-08-26: Sale, 17,574 sh ($439K)2025-08-26: Option exercise, 17,574 sh ($107K)2025-08-26: Option exercise, 17,574 sh ($0)2025-08-20: Sale, 25,000 sh ($569K)2025-08-20: Option exercise, 25,000 sh ($153K)2025-08-20: Option exercise, 25,000 sh ($0)2025-02-06: Award / grant, 450,252 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-10-21SIONSale33,532 @ $37.31$1.3M−5.8% of holding547,343Form 4
2025-10-21SIONSale30,049 @ $35.63$1.1M−5.2% of holding547,343Form 4
2025-10-21SIONSale22,895 @ $36.60$838K−4.0% of holding547,343Form 4
2025-10-21SIONSale13,324 @ $34.44$459K−2.4% of holding547,343Form 4
2025-10-16SIONSale10,225 @ $31.46$322K−1.8% of holding547,343Form 4
2025-10-16SIONSale200 @ $34.00$7K−0.0% of holding547,343Form 4
2025-10-15SIONSale14,775 @ $31.11$460K−2.6% of holding547,343Form 4
2025-09-29SIONSale7,793 @ $29.70$231K−1.4% of holding547,343Form 4
2025-09-26SIONSale17,207 @ $28.85$496K−3.0% of holding547,343Form 4
2025-08-27SIONSale7,426 @ $25.01$186K−1.3% of holding547,343Form 4
2025-08-26SIONSale17,574 @ $24.96$439K−3.1% of holding547,343Form 4
2025-08-20SIONSale25,000 @ $22.75$569K−4.4% of holding547,343Form 4
28 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-02SIONAward / grant436,100436,100Form 4
2025-10-21SIONOption exercise33,532580,875Form 4
2025-10-21SIONOption exercise30,049577,392Form 4
2025-10-21SIONOption exercise22,895570,238Form 4
2025-10-21SIONOption exercise13,324560,667Form 4
2025-10-21SIONOption exercise13,324139,618Form 4
2025-10-21SIONOption exercise33,53253,142Form 4
2025-10-21SIONOption exercise22,89586,674Form 4
2025-10-21SIONOption exercise30,049109,569Form 4
2025-10-16SIONOption exercise10,225557,568Form 4
2025-10-16SIONOption exercise200547,543Form 4
2025-10-16SIONOption exercise200152,942Form 4
2025-10-16SIONOption exercise10,225153,142Form 4
2025-10-15SIONOption exercise14,775562,118Form 4
2025-10-15SIONOption exercise14,775163,367Form 4
2025-09-29SIONOption exercise7,793555,136Form 4
2025-09-29SIONOption exercise7,793178,142Form 4
2025-09-26SIONOption exercise17,207564,550Form 4
2025-09-26SIONOption exercise17,207185,935Form 4
2025-08-27SIONOption exercise7,426554,769Form 4
2025-08-27SIONOption exercise7,426203,142Form 4
2025-08-26SIONOption exercise17,574564,917Form 4
2025-08-26SIONOption exercise17,574210,568Form 4
2025-08-20SIONOption exercise25,000572,343Form 4
2025-08-20SIONOption exercise25,000228,142Form 4
2025-06-02—Disposition1,8670Form 4
2025-06-02—Disposition1,8670Form 4
2025-02-06SIONAward / grant450,252450,252Form 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.