Name: Insider Trading Pulse — October 14, 2026
Creator: Gunpowder
Published: 2026-10-15T01:04:31.416Z
License: https://www.gunpowderalerts.com/terms

50 high priority 50 total filings analysed

Executive Summary

This Insider Trading Pulse digest covers 50 US SEC Form 4 filings dated 2026-10-14, scoped to Other Insider Trades and Pledge event types. The filings are dominated by routine compensation-related activity: at least 26 are awards of restricted stock units, deferred stock units, or stock options, and roughly 12 are withholding-for-taxes or option exercise transactions, which carry limited directional information.

Open-market discretionary trades are fewer and more telling: CEO purchases at CleanCore Solutions, Terrestrial Energy, Baozun, and a large $7.4M director purchase at Borr Drilling stand out as positive conviction signals, while discretionary sales at Star Bulk Carriers, MiNK Therapeutics, Aeluma, and Intapp (partly under 10b5-1 plans) skew negative. Period-over-period comparison fields were not populated in the supplied enriched data, so quantitative YoY or QoQ trend claims cannot be made from this dataset. No pledge transactions or forward-looking guidance statements were present in the filings, so catalyst and guidance-based analysis is limited. Overall, the net insider tape leans modestly bullish on the strength of the few large open-market buys, while the broad sell-side activity is concentrated in executives using pre-arranged plans, which reduces its signal value.

Materiality, sentiment, and priority are scored by Gunpowder’s analysis pipeline. How we score filings →

Filing types in this digest: Form 4

Tracking the trend? Catch up on the prior Insider Trading Pulse digest from October 13, 2026.

Investment Signals (10)

Borr Drilling Ltd ↓ (BULLISH)
▲

Director Tor Olav Troim bought 1,500,000 shares at $4.93 (~$7.4M), bringing holdings to 38.9M shares; the largest open-market purchase in the set
CleanCore Solutions, Inc. ↓ (BULLISH)
▲

CEO Hassen Tyler Lewis bought 750,000 shares at $0.11 (~$85.2K), now holding 4.0M shares
Terrestrial Energy Inc. ↓ (BULLISH)
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CEO Simon Irish bought 16,900 shares at $3.01 (~$50.8K), now holding 2.31M shares
Baozun Inc. ↓ (BULLISH)
▲

CEO Qiu Wenbin made two open-market ADS purchases (6,000 at $3.34 and 5,800 at $3.47, ~$40K combined), now holding 1.68M shares
Beyond Air, Inc. ↓ (BULLISH)
▲

10% owner Lin Yi-Chien bought 2,607 shares at $2.21 (~$5.8K), a small but directionally positive signal from a significant holder
Star Bulk Carriers Corp. ↓ (BEARISH)
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Director Raffaele Zagari sold 7,580 shares at $30.00 (~$227K), retaining 1.95M shares
MiNK Therapeutics, Inc. ↓ (BEARISH)
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CEO Jennifer Buell sold 6,938 shares at $10.56 (~$73.3K) after exercising 23,191 options/RSUs, retaining 74,195 shares; the sale offsets much of the equity award received
Aeluma, Inc. ↓ (BEARISH)
▲

CEO Jonathan Klamkin sold 100,000 shares at $10.53 (~$1.05M) under a Rule 10b5-1 plan, retaining 1.13M shares; the largest sale in the set but pre-arranged
ASE Technology Holding Co., Ltd. ↓ (BEARISH)
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Chief Administration Officer Uang Du-Tsuen sold 3,000 ordinary shares at $752.00 (~$2.26M), retaining 838,000 shares
NORDSON CORP ↓ (BEARISH)
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Director Milton Morris sold 255 shares at $327.20 (~$83.4K), retaining 2,265 shares

Risk Flags (7)

MiNK Therapeutics, Inc./Insider Selling↓ [MEDIUM RISK]
▼

CEO sold 6,938 shares ($73.3K) concurrent with option/RSU exercise; a sell-to-cover pattern rather than a full exit, but in a low-priced biotech with a 7/10 materiality rating, it warrants monitoring
Star Bulk Carriers Corp./Director Sale↓ [HIGH RISK]
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Director sold ~$227K of stock at $30.00 with no 10b5-1 disclosure, the largest discretionary director sale in the set outside Aeluma
Aeluma, Inc./CEO Sale↓ [MEDIUM RISK]
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CEO sold 100,000 shares (~$1.05M, ~8% of holdings after the sale) at $10.53; the 10b5-1 plan reduces information-based interpretation but the size is material
ASE Technology Holding Co./Executive Sale↓ [MEDIUM RISK]
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Chief Administration Officer sold ~$2.26M at $752.00, the largest dollar-value sale in the set; the sale reduces the executive's stake to 838,000 shares
Kaltura Inc./Insider Sales↓ [LOW-MEDIUM RISK]
▼

Executive Eynav Azaria sold 6,492 shares in aggregate at $1.40 (~$9.1K); a small dollar amount but continued selling by a senior insider at a low share price
Intapp, Inc./Executive Sales Under Plans↓ [LOW RISK]
▼

CPO Thad Jampol sold 5,000 shares and CEO John Hall sold 3,000 shares at $40.00 under 10b5-1 plans, with both CEO and CPO exercising options in parallel; sales coincide with option exercises, a pattern that dilutes the signal
Commercial Metals Co./Broad Tax-Withholding Activity↓ [LOW RISK]
▼

Across 11 filings, executives withheld shares for taxes at $63.89 (CEO Peter Matt ~$1.45M, CFO Paul Lawrence ~$347K), representing routine vesting rather than discretionary selling but a concentration of insider-related outflows

Opportunities (7)

Borr Drilling Ltd/Director Conviction Buy↓ (OPPORTUNITY)
◆

A $7.4M open-market purchase by a major director is a strong ownership-alignment signal; combined with the stock at $4.93, the buy suggests the director sees value at current levels
CleanCore Solutions/CEO Conviction Buy↓ (OPPORTUNITY)
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CEO bought 750,000 shares at $0.11 (~$85.2K), a material percentage of a micro-cap float; purchases at penny-stock levels by insiders often precede or accompany a turnaround narrative
Terrestrial Energy/CEO Purchase↓ (OPPORTUNITY)
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CEO bought 16,900 shares at $3.01 (~$50.8K) in an open-market transaction; the purchase is modest in dollar terms but reinforces management confidence in a development-stage nuclear company
Baozun Inc./Repeat CEO Purchases↓ (OPPORTUNITY)
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CEO made two consecutive ADS purchases in the same transaction series at $3.34 and $3.47, showing sustained rather than one-off accumulation at a low-priced ADS
Beyond Air, Inc./Significant Holder Buying↓ (OPPORTUNITY)
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10% owner Lin Yi-Chien accumulated shares at $2.21, a signal from an informed large holder that is often more meaningful than small executive purchases
Commercial Metals Co./Routine Insider Accumulation via Equity Awards↓ (OPPORTUNITY)
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Broad-based award grants across 9 named executives (over 100,000 shares combined) reinforce alignment with shareholder value and reduce the probability of near-term discretionary selling pressure
Uber Technologies/Board Equity Alignment↓ (OPPORTUNITY)
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Director awards of 332 and 350 RSUs to Ursula Burns and John Thain reflect routine board compensation with no selling; the absence of discretionary sales by Uber directors is a neutral-to-positive observation

Sector Themes (5)

Routine Equity Compensation Dominance
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Approximately 26 of 50 filings reflect awards, RSU/DSU grants, or tax-withholding events rather than open-market trades; the high share of compensation-driven filings means discretionary-signal density is low in this digest, and investors should weight the handful of open-market transactions more heavily.
Director Purchase Concentration in Energy and Shipping
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The two largest open-market buys (Borr Drilling, Terrestrial Energy) sit in capital-intensive energy and infrastructure, while the largest discretionary sale (Star Bulk) sits in shipping; this suggests sector-specific valuation views among insiders that diverge rather than moving in unison.
Option Exercise Coupled with Same-Day Sales
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Multiple filings (MiNK Therapeutics, Intapp, Ferguson, Carpenter Technology) show option exercises paired with same-period sales or tax withholding, a pattern that reflects cashless exercise mechanics rather than conviction-driven selling and should be discounted when assessing sentiment.
Heavy Use of 10b5-1 Plans
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At least 7 sales (Aeluma, Intapp x2, Castle Biosciences, Core Scientific, Ferguson, CACI-adjacent awards not included) were executed under Rule 10b5-1 plans, indicating pre-scheduled rather than information-driven selling, which lowers the predictive value of the sales in this batch.
Tax-Withholding Clustering at Commercial Metals
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Eleven Commercial Metals filings on the same date, all at $63.89, reflect a single vesting event; the uniformity indicates a standard award cycle and no differentiated executive sentiment.

Watch List (7)

Borr Drilling Ltd↓
👁

Director Tor Olav Troim's $7.4M purchase at $4.93 is the most material open-market buy in the digest; monitor for additional director or executive buying and any Form 4 follow-on filings in the coming weeks.
Star Bulk Carriers Corp.↓
👁

Director Zagari's $227K sale at $30.00 without 10b5-1 disclosure merits watching for any additional insider sales, which would strengthen a bearish reading.
Aeluma, Inc.↓
👁

CEO Klamkin's 100,000-share sale under a 10b5-1 plan; track whether further scheduled sales occur and whether the plan is amended or terminated.
CleanCore Solutions, Inc.↓
👁

CEO's 750,000-share purchase at $0.11 is a potential turnaround signal; watch for the company's next filing or press release to confirm the strategic context of the purchase.
ASE Technology Holding Co., Ltd.↓
👁

Chief Administration Officer's $2.26M sale; check whether other ASE executives follow with sales to determine if the transaction is isolated or part of a broader pattern.
Baozun Inc.↓
👁

CEO's repeat ADS purchases at $3.34-$3.47; monitor for continued accumulation as a signal of sustained management conviction.
Commercial Metals Co.↓
👁

Post-vesting, watch for any executive selling from the February-to-October award cycle, particularly by CEO Peter Matt (~$1.45M withheld), which could signal a shift in sentiment.

Filing Analyses (50)

CleanCore Solutions, Inc. 4 positive materiality 6/10

14-10-2026

Chief Executive Officer Hassen Tyler Lewis bought 750,000 Common Stock at $0.11 (~$85.2K). Hassen Tyler Lewis holds 4,000,000 shares after the transaction.

· Chief Executive Officer Hassen Tyler Lewis bought 750,000 Common Stock at $0.11 (~$85.2K)

ASE Technology Holding Co., Ltd. 4 negative materiality 5/10

14-10-2026

Chief Administration Officer Uang Du-Tsuen sold 3,000 Ordinary Shares at $752.00 (~$2.26M). Uang Du-Tsuen holds 838,000 shares after the transaction.

· Chief Administration Officer Uang Du-Tsuen sold 3,000 Ordinary Shares at $752.00 (~$2.26M)

Baozun Inc. 4 positive materiality 4/10

14-10-2026

Chief Executive Officer Qiu Wenbin bought 5,800 American Depositary Shares at $3.47 (~$20.1K). Qiu Wenbin holds 1,678,572 shares after the transaction.

· Chief Executive Officer Qiu Wenbin bought 6,000 American Depositary Shares at $3.34 (~$20K)
· Chief Executive Officer Qiu Wenbin bought 5,800 American Depositary Shares at $3.47 (~$20.1K)