Stock Markets April 17, 2026 09:01 AM

Insider Transactions Roundup: Heavy Buying at Gloo and HeartBeam; Large Disposals at AST SpaceMobile, Sionna and Others

Executives and major holders made notable purchases and sales across US markets on April 14-16, 2026, offering a mixed signal on confidence and portfolio reallocations

By Priya Menon GLOO BEAT CRT ASTS
Insider Transactions Roundup: Heavy Buying at Gloo and HeartBeam; Large Disposals at AST SpaceMobile, Sionna and Others
GLOO BEAT CRT ASTS

Insider activity reported mid-April showed concentrated purchases at select small-cap names and sizeable dispositions by large holders and funds. Gloo Holdings and HeartBeam directors and executives were active buyers on April 16, while Rakuten-related parties, institutional holders and company insiders executed multi-million-dollar sales at AST SpaceMobile, Sionna Therapeutics, Titan International and others. Market commentary from InvestingPro cited valuation and financial health signals for several of the companies reported.

Key Points

  • Gloo Holdings saw material insider purchases on April 16, with CEO Scott Arthur Beck buying 27,386 shares and Director Patrick P. Gelsinger buying 36,653 shares; InvestingPro flagged GLOO as appearing overvalued and assigned a Financial Health Score of "WEAK."
  • Directors at HeartBeam purchased shares in connection with the company’s underwritten public offering, with Mark E. Strome buying 750,000 shares and Willem Elfrink buying 187,500 shares on April 16; InvestingPro indicated the stock appears undervalued and noted an upcoming earnings report on May 7.
  • Large-scale sales included Rakuten-related parties selling 3,040,000 AST SpaceMobile shares for roughly $270 million, and AIPCT-related entities selling over 3 million Titan International shares; Sionna Therapeutics saw two sizable, nearly identical institutional/director sell programs totaling about $22.95 million in proceeds each.

Here is a detailed compilation of the most material insider trading filings disclosed across U.S. public markets between April 14 and April 16, 2026. The activity spans both buy-side moves by executives and directors and large-scale sell-side transfers by major holders and institutional investors.


Top buys

Gloo Holdings, Inc. (NASDAQ:GLOO) recorded substantial insider purchases on April 16, 2026. Scott Arthur Beck, President and Chief Executive Officer, acquired 27,386 shares of Class A Common Stock at a weighted average price of $7.23 per share, with individual trade prices reported between $6.55 and $7.25. The aggregate value of Beck’s purchases was approximately $198,000. After completing these transactions, Beck’s indirect holdings of Class A Common Stock stand at 439,886 shares.

The filings note that GLOO’s share price had climbed 43% over the prior week and was trading at $7.40 at the time of the report, although the stock remained down 7.5% over the prior 12 months. InvestingPro commentary included in the filings assessed that the company appears overvalued at current market levels according to its Fair Value measure and assigned a Financial Health Score characterized as "WEAK" at 1.53.

On the same day, Director Patrick P. Gelsinger also added to his position in Gloo Holdings, purchasing 36,653 shares of Class A Common Stock at a reported price of $7.22 per share, for a total transaction value of $264,634. That purchase was executed across multiple transactions with trade prices in the range of $6.40 to $7.25. Following the acquisitions, Gelsinger directly and indirectly holds 161,653 shares of Class A Common Stock. The filings repeat that GLOO had surged 43% over the prior week but remained down 8% over the past six months. InvestingPro analysis cited a market capitalization of $502 million and reiterated the overall financial health rating of "WEAK."

HeartBeam, Inc. (NASDAQ:BEAT) saw sizeable director-level buying on April 16, 2026, in connection with the company’s underwritten public offering. Director Mark E. Strome purchased 750,000 shares of common stock at $0.80 per share, representing a total outlay of $600,000. Post-transaction holdings for Strome were reported as 3,650,000 shares, held directly or indirectly. At the time of the filing, HeartBeam’s stock price was reported at $0.81, reflecting a year-to-date decline of 66% and a 30% decline over the prior week. InvestingPro’s Fair Value analysis included in the disclosure characterized the stock as appearing undervalued and noted that the company’s next earnings report was scheduled for May 7.

Also participating in the offering, Director Willem Elfrink acquired 187,500 shares of common stock at $0.80 per share on April 16, for a total transaction value of $150,000. That purchase increased Elfrink’s direct ownership to 538,667 shares. The filing reiterates that these purchases were made in connection with the registrant’s underwritten public offering of 12,500,000 shares and notes that HeartBeam’s shares had fallen 30% over the previous week and were trading at $0.81. InvestingPro’s Fair Value commentary again flagged the stock as appearing undervalued at prevailing prices.

Cross Timbers Royalty Trust (NYSE:CRT) saw accumulation from SoftVest, LP, identified as a 10-percent owner. The firm acquired a total of 25,425 units of beneficial interest across two recorded transactions dated April 14 and April 15, 2026. On April 14, SoftVest purchased 21,678 units at a weighted average price of $10.42 per unit, with executed prices ranging from $10.25 to $10.50, for a total reported value of $225,882. On April 15, the firm added 3,747 units at a weighted average price of $10.48, with prices ranging from $10.36 to $10.50, totaling $39,271. The combined outlay across both dates equaled $265,153.


Top sells

AST SpaceMobile (NASDAQ:ASTS) experienced a large-scale disposition by Rakuten Group, Inc., Rakuten Mobile, Inc., and Mikitani Hiroshi, collectively identified as a ten-percent owner. The group sold 3,040,000 shares of Class A Common Stock across April 14 and April 15, 2026, generating proceeds of approximately $270 million.

The sales were executed in two separate tranches. On April 14, 1,690,000 shares were sold at a weighted average price of $91.42 per share, with trade prices in that session ranging from $87.50 to $103.96 per share. On April 15, an additional 1,350,000 shares were sold at a weighted average price of $86.22, with prices in that session ranging from $84.04 to $88.71 per share. The filings note that ASTS shares had appreciated 289% over the past year, and InvestingPro guidance included with the disclosures advised that the stock’s price movements remain quite volatile and that the company is not expected to be profitable this year.

Titan International Inc (NYSE:TWI) was the subject of a large reported sale by a set of related reporting entities including AIPCT Holdings LLC, AIPCT Intermediate Holdings I LLC, AIPCF V AIV C, LP, AIPCF V (Cayman), L.P., and AIPCF V (Cayman), Ltd. The group reported selling 3,041,288 shares of common stock on March 4, 2026, at a price of $8.95 per share, resulting in proceeds of $27,219,527. Following the transaction, the collective holdings of these entities stood at 8,880,478 shares of Titan International. The filings indicate that the stock had since declined to $7.73 and note that investing data highlight TWI shares as showing volatile behavior for investors to watch.

Sionna Therapeutics, Inc. (NASDAQ:SION) disclosed significant insider sales executed by both a director and an institutional director-level holder over a three-day window from April 14 through April 16, 2026.

Director Peter A. Thompson sold a total of 510,683 shares of common stock in multiple transactions across the three days, producing aggregate proceeds of $22,945,043. The filings break down Thompson’s sales as follows: on April 14, 47,814 shares were sold at $44.51 per share; on April 15, 235,863 shares were sold at $44.64 per share; and on April 16, 226,906 shares were sold at $45.34 per share. At the time of the report, Sionna’s stock price was trading at $45.24, close to a reported 52-week high of $46.10, following a 352% gain over the prior year.

Separately, OrbiMed Advisors LLC, identified in the filings as a director, disclosed sales that mirror the quantities and prices reported by Thompson. OrbiMed’s filings recorded the sale of 510,783 shares over the same April 14-16 window at prices between $44.51 and $45.34 per share, with total proceeds also reported as $22,945,043. The three transactions for OrbiMed were itemized identically: 47,814 shares on April 14 at $44.51, 235,863 shares on April 15 at $44.64, and 226,906 shares on April 16 at $45.34.

Venture Global, Inc. (NYSE:VG) reported that Keith D. Larson, General Counsel and Secretary, sold 1,111,112 shares of Class A Common Stock across April 15 and April 16, 2026, with aggregate proceeds of $13,895,733. The sales were executed at prices between $12.3759 and $12.6364 per share. The SEC filings indicate Larson sold 555,556 shares on April 15 and another 555,556 shares on April 16. The filings additionally note that the stock had risen 78.8% year-to-date and gained 34% over the prior six months, while InvestingPro analysis characterized the shares as currently overvalued relative to their Fair Value assessment.


Analysis and context

The filings illustrate a mixed pattern of insider behavior across a range of sectors. On the buy side, company executives and directors of smaller-cap issuers took the opportunity to add to their stakes, often in the context of equity offerings or following recent price weakness. On the sell side, sizeable blocks of stock were moved by large holders and institutional investors, producing multi-million and multi-hundred-million dollar proceeds in several instances.

Several of the disclosure packages included InvestingPro assessments that flagged valuation or financial-health considerations. For Gloo Holdings, InvestingPro labeled the company as appearing overvalued and assigned a Financial Health Score of "WEAK." For HeartBeam, InvestingPro’s Fair Value analysis indicated the stock appears undervalued at prevailing prices and reminded readers of an upcoming earnings date. For AST SpaceMobile and Venture Global, InvestingPro commentary highlighted volatility and valuation stretch, respectively. For Titan International and other names, the filings reiterated share-price volatility as an item for investor attention.

Investors monitoring insider filings often view director and officer purchases as signals of confidence in a company’s prospects, while large sales by major shareholders or institutional holders may reflect portfolio rebalancing, tax planning, liquidity needs, or other non-operational decisions. The filings themselves do not ascribe motive beyond the transaction mechanics and the links to public offerings where noted.


What to watch

  • Follow-up financial reports and scheduled earnings releases referenced in the filings - for example, HeartBeam’s next earnings report noted for May 7 - to see whether company fundamentals align with the insider activity.
  • Price volatility and valuation signals highlighted by InvestingPro for names such as GLOO, ASTS, TWI and VG, which may affect investor risk assessments in industrials, energy-related royalties, aerospace and bio/pharma sectors.
  • Whether the scale of selling by institutional holders at Sionna and AST SpaceMobile results in further price responses, given the sizes reported and the recent historical performance of these stocks.

Monitoring insider transactions should be just one element in a broader due-diligence process that includes fundamental analysis, cash-flow considerations and assessments of company-specific catalysts and risks.

Risks

  • Valuation and financial health concerns highlighted in the filings for some companies - notably Gloo Holdings and Venture Global - may signal elevated risk for investors in technology and energy-adjacent sectors.
  • Notable price volatility disclosed for several stocks, including AST SpaceMobile and Titan International, increases execution and timing risk for investors in aerospace-related and industrial equipment names.
  • Large block sales by major holders and institutional sellers at Sionna Therapeutics, AST SpaceMobile and Titan International could exert downward price pressure or reflect liquidity-driven decisions rather than company-operational signals; this introduces uncertainty for shareholders in biotech, aerospace and industrial sectors.

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