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Karman Holdings Inc. is registering the resale of up to 13,500,000 shares of its common stock by identified selling stockholders pursuant to a preliminary prospectus supplement. The company will not receive proceeds from these sales; proceeds will go to the selling stockholders.
The filing notes an underwriters’ option to purchase up to 2,025,000 additional shares, lists 132,526,299 shares outstanding as of May 13, 2026, and discloses a last reported NYSE sale price of $63.52 per share as of May 27, 2026. The prospectus supplement also summarizes business highlights, including an estimated $3.0 billion active pipeline as of May 25, 2026 and several in‑progress contract opportunities.
Karman Holdings Inc. has registered shares of its common stock on an automatic shelf to permit offers and sales from time to time.
The prospectus states the company is a well-known seasoned issuer and that specific offering amounts, prices and distribution plans will be provided in prospectus supplements. The company reported 132,526,299 shares outstanding as of May 13, 2026 and a last reported NYSE sale price of $63.52 on May 27, 2026.
Sawhill Stephanie reported acquisition or exercise transactions in this Form 4 filing.
Karman Holdings Inc. reported that former Chief Growth Officer Stephanie Sawhill received a grant of 689 shares of Common Stock in the form of Restricted Stock Units (RSUs) under the company’s long term incentive program. This compensation-related award was recorded at a price of $0.00 per share.
Each RSU represents a contingent right to receive one share of Common Stock upon settlement and will vest in three equal annual installments beginning on February 20, 2027. Following this grant, Sawhill’s direct holdings reported in this filing total 505,628 shares of Common Stock. The document also serves as a Form 4 exit filing, indicating she is no longer subject to Section 16 reporting requirements under the Securities Exchange Act of 1934.
Karman Holdings Inc. director Mary D. Petryszyn reported an equity compensation award in the form of common stock. She acquired a total of 2,294 shares on May 21, 2026, recorded at a price of $0.00 per share as a grant rather than a market purchase.
The award reflects two Restricted Stock Unit (RSU) grants under the company’s Non-Employee Director Compensation Policy. One covers 763 RSUs for 2025 that fully vested on May 13, 2026. The other covers 1,531 RSUs for 2026 that will fully vest on January 1, 2027. Following this grant, Petryszyn holds 2,294 shares directly.
Karman Holdings Inc. Chief Financial Officer Michael Willis reported an equity compensation grant and his updated share holdings. He received a grant of 689 Restricted Stock Units (RSUs) of common stock under the company’s long term incentive program, with no cash price per share.
Each RSU represents a contingent right to receive one share of common stock upon settlement. The RSUs will vest in three equal annual installments beginning on February 20, 2027, encouraging longer-term retention. After this grant, Willis holds 689 shares directly linked to this award and 859,709 common shares indirectly through the Sundowner Trust, where he is the primary beneficiary. The filing reflects a compensation-related acquisition rather than an open-market stock purchase or sale.
Twitty Stephen reported acquisition or exercise transactions in this Form 4 filing.
Karman Holdings Inc. director Stephen Twitty received an equity grant as part of his board compensation. On May 21, 2026, he was awarded 2,363 shares of Common Stock in total, reported at a price of $0.00 per share, reflecting a non-cash stock award.
The grant consists of 832 Restricted Stock Units (RSUs) under the issuer's Non-Employee Director Compensation Policy for 2025, which fully vested on February 13, 2026, and 1,531 RSUs for 2026 that will fully vest on January 1, 2027. Following these awards, Twitty directly holds 2,363 shares of Karman Holdings common stock.
Karman Holdings Inc. director David Stinnett reported an acquisition of 1,962 shares of Common Stock in the form of restricted stock unit (RSU) awards, granted at a per-share price of $0.00 on May 21, 2026.
The footnotes explain this consists of 431 RSUs under the company’s 2025 Non-Employee Director Compensation Policy that vest on July 24, 2026, and 1,531 RSUs under the 2026 policy that vest on January 1, 2027. After these awards, Stinnett directly holds 3,503,395 shares of Common Stock.
RAMBEAU JON reported acquisition or exercise transactions in this Form 4 filing.
Karman Holdings Inc. reported that Chief Executive Officer Jon Rambeau received an equity grant totaling 99,937 shares of Common Stock in the form of Restricted Stock Units (RSUs). These awards are compensation-related and were granted at a price of $0.00 per share.
The grant includes 25,728 RSUs under the company’s long term incentive program, vesting in three equal annual installments beginning on February 20, 2027. An additional one-time hiring grant of 74,209 RSUs will vest in full on March 16, 2029. After this grant, Rambeau holds 99,937 shares directly.
Hamilton John reported acquisition or exercise transactions in this Form 4 filing.
Karman Holdings Inc. director John Hamilton reported receiving a grant of 1,962 shares of Common Stock on May 21, 2026 as a stock-based compensation award. The award consists of Restricted Stock Units, each representing a contingent right to one share of Common Stock at settlement.
Footnotes state that 431 RSUs are the director’s 2025 annual grant, scheduled to fully vest on July 24, 2026, and 1,531 RSUs are the 2026 annual grant, scheduled to fully vest on January 1, 2027. Following this grant, Hamilton directly holds 56,758 shares of Karman Holdings Common Stock.
Beaudoin Jonathan reported acquisition or exercise transactions in this Form 4 filing.
Karman Holdings Inc. reported that Chief Operating Officer Jonathan Beaudoin received an equity grant in the form of 689 shares of Common Stock through a Restricted Stock Unit (RSU) award under the company’s long term incentive program. The RSUs carry no purchase price and each unit represents a contingent right to receive one share upon settlement.
The award will vest in three equal annual installments beginning on February 20, 2027, aligning the COO’s compensation with longer-term company performance. Following this grant, Beaudoin directly holds 667,550 shares of Karman Holdings Common Stock.